Red quinone first grabbed the attention of chemists in the late 19th century. Researchers looked to quinone derivatives while searching for reliable dyes and chemical intermediates. Back then, the basics of aromatic chemistry started to take off, guided by trial-and-error synthesis in European labs. In the early 1900s, the textile and photographic industries fueled demand for new colorants and oxidizing agents. Red quinone—driven by its vivid color and reactive core—fit this bill. Year by year, refinements in extraction and synthetic methods expanded its reach, moving production from rudimentary lab benches into robust industrial settings. The color industry grew hand-in-hand with developments in organic synthesis, letting this molecule reach more fields over time. Along the way, researchers cataloged multiple forms, learned to control purity, and set out clear standards to guide safe handling. These roots give red quinone a place in the story of chemical industry progress.
Red quinone stands out as a synthetic aromatic compound, usually taking the form of a red-orange crystalline powder. It features a six-membered benzoid ring connected by two opposing ketone groups—defining its high reactivity and oxidation power. In manufacturing, red quinone often comes as technical or “reagent” grade. Producers target residual impurity content, particle size, moisture level, and bulk density with precision. This keeps the material reliable for downstream chemical processes, coloring tasks, battery chemistry, and research needs. Packaged in airtight, UV-resistant containers, it lands in a supply chain serving markets from electronics assembly and lab research to specialized textile dyeing.
Red quinone forms needle- or plate-shaped crystals, with a melting point in the 90–120°C range, depending on purity and derivatization. It rarely dissolves well in water, but polar organic solvents like acetone, chloroform, and benzene bring it into solution. The material’s strong color reflects intense absorption in the visible part of the light spectrum, which matches its electron-rich aromatic core. Chemically, these quinones show a knack for redox cycling—they both accept and donate electrons in controlled settings. This trait gives red quinone strong oxidizing power, making it invaluable in both laboratory reactions and commercial redox systems. Vapor pressure, electrical resistance, and crystal habit all play roles in how it performs under thermal or chemical stress. These detailed metrics hold day-to-day value for anyone choosing a supplier or process configuration based on technical fit.
Suppliers publish detailed product datasheets that lay out typical values for purity (usually above 98% for technical grade), moisture (kept well below 2%), and melting point. These sheets also describe recommended storage conditions—typically between 2–8°C, away from direct sunlight and incompatible chemicals. Labeling always features the standard hazard codes linked to oxidative irritants and respiratory risk, plain lot numbers for tracking, and batch-specific certificate of analysis data. Some markets, including the EU and US, require the clear identification of red quinone’s main synonyms and chemical codes to meet regulatory needs. Robust labeling and tight documentation support responsible sourcing and use—protecting employees and end products alike.
Red quinone comes from several well-established synthetic routes. Most common involves the oxidation of hydroquinone or 1,4-dihydroxybenzene in the presence of a mild oxidizer—often ferric chloride, potassium dichromate, or manganese dioxide. Industry-scale producers lean towards continuous flow reactors to achieve tight process control, waste minimization, and scalable output. Extraction and crystallization steps remove trace contaminants, refining the intermediate until it reaches the required color and purity benchmarks. The finished product is dried under nitrogen or vacuum, then milled to chosen particle sizes. Years of tweaks to reaction temperature, pH, and extraction solvent selection give today’s suppliers a toolkit to adjust properties on demand for each client.
Red quinone plays a dual role as both reactant and product in chemical synthesis. Reduction with sodium borohydride sends it back to hydroquinone—a move common in analytical chemistry cycles and organic synthesis. Electrophilic substitution reactions target the “open” ortho- and para-positions on the benzene ring, allowing for rapid functionalization with halogens, alkyl, or aryl groups. Catalysts, temperature, and solvent each push the product profile towards desired quinone analogs or extended pi-systems for high-tech applications. Complexation with metal ions makes red quinone a keystone in catalysis, where it toggles oxidation states depending on the reaction environment. Technical teams constantly experiment with ways to link or modify the base quinone, leading to pharmaceutical research, advanced materials, and specialized dyes.
Red quinone appears in the literature and industry paperwork under plenty of aliases, such as p-benzoquinone, para-benzoquinone, and 1,4-benzoquinone. Sometimes documents reference trade names tailored by individual producers, making standardized regulatory tracking important. In technical contexts, QC paperwork lists CAS No. 106-51-4 for unambiguous identification. Industry veterans recognize the molecule’s “para-” designation as important—it describes the ring’s substituted positions and highlights differences from ortho- or meta-isomers with totally different chemistry. Regional naming quirks still exist in patents, academic studies, and custom contracts, so care pays off for anyone comparing products across markets or generations. As always in specialty chemicals, synonyms give both a historical and practical context.
Handling red quinone calls for protective gloves, chemical goggles, and adequate ventilation—ideally local fume extraction or closed systems at the production stage. Inhalation or skin exposure causes irritation, and the material can provoke respiratory symptoms or allergic response in sensitive users. Facility standards reference OSHA and EU safety limits, enforcing maximum airborne concentrations, training, and mandated break periods for staff. Storage in cool, dry, and tightly-sealed environments maintains shelf life and stops accidental oxidation or polymerization. Emergency protocols include eyewash stations and chemical spill kits, while waste streams pass through designated oxidation or reduction treatments before disposal. These everyday safety rules reflect years of hard-won experience, both to protect workers and to avoid downstream quality issues.
Red quinone lands in a wide spread of applications. As a dye precursor, it plays a critical role in making anthraquinone and phthalocyanine pigment lines. Battery developers turn to it for use in redox flow batteries, benefiting from the reversible electron transfer and robust stability over many cycles. Organic chemists rely on its oxidizing clout for dehydrogenation and aromatic coupling reactions, underpinning advances in fine chemicals and pharmaceuticals. Some specialty filtration and resin systems use red quinone-modified surfaces for selective ion capture or redox-based sensing. This flexibility helps industries meet modern standards for efficiency, environmental impact, and new functionality. It also keeps demand growing, as sectors ranging from energy storage to medical diagnostics press for materials that balance reliability and adaptability.
Research teams keep chasing new ways to harness red quinone’s chemistry. In renewable energy, recent breakthroughs explore quinone-based electrolyte systems that hold potential for scaling grid storage at lower cost and greater safety than vanadium or heavy metal analogs. Green synthesis efforts target biomimetic or plant-based quinones, moving towards circular production lifecycles and lower carbon footprints. On the analytical front, red quinone gets explored as part of colorimetric and electrochemical sensing devices—each tweak in functional group or ring structure changing sensitivity and selectivity. Pharmaceutical chemists remain interested in quinone analogs for antitumor and antimicrobial leads, as redox cycling links closely to cell metabolism and stress pathways. These innovation cycles reflect a broader trend in chemical R&D: practical lab know-how, market pressure, and regulatory push all shape how a familiar molecule evolves to fit new scientific and industrial goals.
Toxicologists have studied red quinone since its early days as a commercial chemical. Inhalation and skin contact create acute and chronic health risks—mainly impacting the respiratory tract and skin integrity. Rodent studies expose dose thresholds for organ damage, reproductive impact, and genotoxic risk, supporting regulatory decisions about safe exposure. Long-term work in occupational health tracks cases where workers developed dermatitis or delayed lung symptoms, leading plants to raise safety standards over time. Recent advances in molecular toxicology use cell-based screens and omics analyses to trace biochemical pathways of harm, sometimes connecting these findings to regulatory risk profiles for both compounds and finished goods. This work drives continuous improvement in protective equipment, workplace design, and regulatory standards—anchoring real safety in up-to-date evidence.
Red quinone’s trajectory looks set for even wider reach. Electrification trends in transportation and energy drive up demand for new electrode materials, and quinone-based storage sits at the center of those discussions. Greener manufacturing and recycling techniques promise to make quinone supplies both cleaner and more affordable, as synthetic biology and chemical engineering combine forces. Growing awareness of toxicity prompts tighter rules and leaner, safer production lines—steering suppliers to invest in continuous improvement and safety innovation. Creative chemists and engineers will likely find new uses that currently stretch the imagination, whether that’s smarter sensors, longer-lasting batteries, or functional coatings. As the chemistry community learns more from decades of applied research and real-world use, red quinone will keep evolving—spurred by both technical curiosity and urgent market needs.
Red Quinone catches eyes for a reason—its vivid pigment and bold properties have cemented its spot in industries as varied as manufacturing, electronics, and cosmetic applications. It owes its reputation to a lineup of key chemical ingredients, each pulling more than its own weight in the overall performance and risks related to the product.
Every batch starts with a quinone backbone. Quinones stand out for their structure—a ring of carbon and oxygen atoms that swap electrons faster than you can say “redox reaction.” This electron swapping powers Red Quinone’s stability and vivid color properties, marking it as a go-to for applications where color consistency is crucial. For instance, anthraquinone derivatives pop up in textile dyes, printing inks, and are even found in some pharmaceuticals.On top of the main quinone compound, manufacturers often bolster Red Quinone with stabilizers and dispersants. These additions stop the pigment from breaking down under sunlight or intense heat, an issue that crops up in products left exposed or stored over months. Without stabilizers, colors fade and reliability goes out the window. Dispersants, on the other hand, help mix the pigment through liquids or pastes, so even a half-trained eye can spot the difference between a well-mixed batch and a clumpy, uneven mess.
Besides stabilizers, Red Quinone recipes may rope in anti-caking agents. These prevent the powder from clumping during transport and handling—a headache for anyone who’s opened a shipment only to find a brick instead of a free-flowing powder. Some formulas bring in tiny amounts of silica or magnesium stearate for this reason. The presence of these agents hints at long shipping routes or humid storage conditions that producers aim to overcome.
Red Quinone’s ingredient list also carries a shadow. Some quinone derivatives attract scrutiny because of reports on toxicity, especially after long-term or high-level exposure. The European Chemicals Agency and the US Environmental Protection Agency both publish findings and safety recommendations tied to individual quinones. Factories relying on Red Quinone tend to track safety data sheets like their business depends on it—because it truly does. Proper labeling and tracking of each ingredient helps ensure safety from production to disposal.Every ingredient tells a story, good and bad. Quinone itself produces the essential effect but can bring respiratory irritation or allergic reactions if workers don’t handle it carefully. Additives that help shelf life or mixing can interact with other materials in unpredictable ways, so regulatory testing and transparency matter. Those details go straight from factory floors to the regulatory filings on file at agencies responsible for chemical oversight.
Faced with both potential benefits and risks, some companies seek alternatives or adjust the blend. Researchers push for plant-based or bio-inspired quinone sources to slash toxicity and environmental load, though these versions often trade some production efficiency or stability. It’s a balancing act between the knock-out effect of traditional quinones and the draw of cleaner, safer substitutes. Companies updating their formula spotlight commitment to worker and consumer safety, which circles back to brand value in markets where transparency counts for more every year.
For anyone using, making, or regulating this compound, knowing the role and source of each ingredient matters as much as price or availability. That’s the way to trustworthy, effective, and responsible use for everyone, from the chemical plant to the end customer.
Red Quinone has started to gain attention in the health and wellness community for its bright red color and its promises of improved well-being. Also known as Ubiquinone or Coenzyme Q10 in some circles, it already plays a significant role in the energy production cycles within our bodies. Think about the last time you struggled with tiredness after a long day or tried to get through your week with low motivation — this compound connects directly to those personal moments. Science shows that Red Quinone is deeply involved in powering up the mitochondria, the ‘batteries’ in each cell we have.
Low energy and constant fatigue seem almost normal in our busy lives. Research points to Red Quinone as a key nutrient for keeping the body’s cells running efficiently. Several clinical studies, like the ones reported by Harvard Medical School, reveal that people with chronic fatigue syndrome or muscle weakness found relief with daily supplementation. I’ve watched clients who introduce this supplement find they make it to evening hours feeling alert, not drained. The connection between energy and normal cell function doesn’t wait to show up for seniors either — anyone experiencing unexplained sluggishness could find Red Quinone to be a practical addition to their daily habits.
Most people only think about heart health in their later years or after a scare. Red Quinone seems to fill in the gaps for cardiovascular support, especially where prescription drugs like statins might lower natural CoQ10 in the body. The American College of Cardiology published findings that regular supplementation helped people keep healthy cholesterol levels and improved arterial flexibility. Families with heart disease histories see it as a natural way to protect themselves without resorting only to medication. My own relatives, after consulting with doctors, have included Red Quinone to manage blood pressure alongside balanced meals and regular walking routines.
Everyone talks about antioxidants, but what do they really do? They tackle the damage caused by free radicals, the unstable molecules floating around our systems from junk food, pollution, and stress. Red Quinone acts as a powerful antioxidant, which means it works to defend our organs and skin from that damage. Both animal and human trials describe notable improvements in skin elasticity, signs of aging, and reduced markers for inflammation. Practical evidence shows that even in high-stress work environments, those adding Red Quinone see fewer colds and less time lost to feeling under the weather.
The mind needs just as much care as the body. Neurological studies from the last five years suggest Red Quinone can help maintain mental sharpness and hold off mood swings. It supports the nerve cells, improving the way the brain uses energy. Many people in their 40s and 50s who worry about memory lapses or fuzzy thinking have picked up on this research. I’ve seen adults in high-pressure jobs report they feel more focused and less anxious with regular use, though nothing replaces good sleep and honest conversations with health care professionals.
Not every supplement works the same for every person, and Red Quinone is no magic bullet. It’s important to discuss any changes with a doctor, especially if someone already takes prescription medication. Quality sourcing matters — always check for supplements with verified purity and reviews from health specialists. Scientific research continues to grow, so staying updated on new findings makes sense for anyone considering Red Quinone as part of their routine.
A lot of things in science come with labels full of warning signs. Red Quinone stands out as one of those chemicals that sparks both interest and caution. It's often found in labs, sometimes discussed among hobby chemists, and occasionally mentioned in online forums. The bright color grabs attention, but so do the hazards. I remember as a college student, our chemistry instructor spent more time discussing lab safety than the reactions themselves, and there’s more good sense in those words than I first realized.
Red Quinone doesn’t belong on the same shelf as vitamins or herbal teas. No doctor prescribes it, and trusted health sources don’t list it among remedies. Its history stays in industrial and research circles, not pharmacies. Many who ask about taking it by mouth have come across rumors or watched some questionable videos. It deserves repeating: swallowing or inhaling Red Quinone is dangerous. Breathing its dust can hit the lungs and throat hard. Some forms can also irritate skin, so handling it without proper gloves or knowledge really amounts to gambling with your health.
Red Quinone has its place. Manufacturers use it for dyes, laboratory processes use it for redox reactions. In those spaces, training and equipment come built-in. Trained chemists lean on fume hoods, goggles, and proper waste bins. Waste gets tracked. The process gets charts and checks. Only through this sort of caution do people avoid lasting harm. Even students must treat it with respect, logging every milligram as part of standard safety drills.
My experience with community science groups taught me how curiosity can take people into dangerous territory. I’ve seen folks order chemicals online out of misdirected excitement. Packages land at doorsteps without warning labels in languages anyone can decipher. Google Search doesn’t offer the same guardrails as formal education. Accidents happen—chemical burns, fires, even hospital trips for chemical exposure.
Safe chemical handling comes down to knowledge and planning. Resources like the Material Safety Data Sheet (MSDS) lay out in plain English what to avoid. Always work in decent ventilation. Wear gloves that match the chemical, not cheap plastic that might dissolve. If someone finds a bottle of Red Quinone and feels unsure, call the local hazardous waste disposal team for advice instead of guessing. Every city has a protocol for this, even if it takes a few extra minutes to find the right phone number.
I trust science, and I trust stories from old friends in the lab who saw too many avoidable accidents. Leave Red Quinone to industrial processes or licensed labs. Folks looking for wellness, colorants, or clever home experiments can usually find safer ingredients. With dangerous chemicals, seeking advice from professionals and choosing safer alternatives never feels like overreacting—it sounds like caring for each other and respecting our own well-being.
People often talk about Red Quinone as a powerful compound, especially in supplements and some traditional medicines. I always notice how interest grows in natural compounds once scientific studies start trickling in, promising antioxidants and energy boosts. Red Quinone, known by scientists as a derivative of benzoquinone, attracts attention for those reasons. But conversations about side effects don’t always keep up with the hype.
Curiosity drove me to dig into the science and regulatory alerts. The most pressing concern with Red Quinone and its relatives comes down to toxicity and allergic reactions. Some quinones trigger contact dermatitis, especially in those with sensitive skin. The National Institutes of Health shares case studies showing rashes, blisters, and in rare cases, breathing problems after direct exposure. It’s easy to think plant-based compounds promise safety, but in my experience, “natural” does not equal risk-free.
Swallowing Red Quinone in supplement form brings another set of risks. Animal studies point out liver stress connected with chronic use. One study from the Journal of Toxicology showed liver enzyme changes in rats after repeated exposure. The data isn’t fully mapped in humans, but the warning signals stick with me. Our bodies process chemicals from all sources, and some—especially quinones—put stress on detox organs after repeated intake.
If you take regular medicines, Red Quinone could cause trouble. Quinones can mess with blood thinners and certain antibiotics. These interactions might make prescriptions less effective or raise the chance of side effects, the kind that send people to the ER with excessive bleeding or strong allergic reactions. Pharmacists I know always ask about herbal supplements for this reason. People downplay herbal risks but cross-talk between natural compounds and pharma drugs happens more often than most believe.
My approach leans on two things: read every label and question every claim. Most Red Quinone products slip into the market without the strict oversight demanded for prescription medicines. The Food and Drug Administration (FDA) labels most herbal products as dietary supplements, so safety testing gaps appear. If something sounds too good to be true, or research lags behind marketing, I set the bottle down.
For anyone thinking about taking Red Quinone, talking to a healthcare professional lands at the top of my to-do list. Honest conversations about current health status, meds on file, and any recent blood test changes go a long way. Blood work, liver function panels, and skin checks catch problems early. In my own circle, the people who thrive with supplements care about steady follow-up rather than taking mystery pills on a whim.
Red Quinone shines in labs and folklore, but daily life adds up in complex ways. Side effects deserve as much attention as benefits, and often more. No single pill, plant, or powder fixes everything. Keeping an open dialogue with doctors, tracking your own body’s changes, and reading up on the latest research help steer clear of side effects that could otherwise be avoided. Health depends on paying attention, not just jumping on trends.
Red Quinone turns up in plenty of conversations among buyers from chemical, pharmaceutical, and research industries. Its striking color and use in manufacturing and laboratory testing draw attention, but so does the challenge of finding an authentic product. Years ago, a colleague and I faced the frustration of sourcing lab reagents in a market full of fakes. That memory still drives my focus on traceable supply chains.
Red Quinone comes with serious safety and ethical concerns. Cheap knock-offs often lack the purity levels required for research or quality-control processes. The simple fact is, the market gets flooded with synthetic variations and poorly documented imports, especially on popular e-commerce sites. Even websites that look professional can pass off misrepresented products. Protecting buyers means understanding where to look and what questions to ask.
Only a handful of global chemical suppliers carry Red Quinone with full certification. Sigma-Aldrich, Alfa Aesar, Tokyo Chemical Industry, and Fisher Scientific stand out because they manage transparent supply chains and publish certificates of analysis for their products. My own lab has relied on these firms to meet tough purity requirements, always comparing batch certificates to avoid mistakes down the line. If you see the product listed elsewhere, on bulk trading sites or obscure online shops, be skeptical. Most of those sellers can’t show genuine documentation or traceable country of origin. Directly contacting the sales reps at major suppliers saves time and headaches because they clarify availability and paperwork right away.
Retail chemical stores rarely keep authentic Red Quinone, due to regulation. Some places in large cities with established lab supply networks do offer it, but those stores also request professional or business credentials. Over-the-counter sales just do not happen with chemicals like this, and legitimate dealers stick to the rules.
Red Quinone’s pricing reflects its specialty status. As of mid-2024, smaller research-grade quantities—think 10g to 50g—sit in a price range from $150 to $400 depending on purity level and supplier location. Large batch purchases for industrial use or export can push the price lower per gram, usually after negotiation. Years back, our procurement team learned that trying to shave costs by cutting corners always backfires: product recalls, failed assays, and wasted resources are common when you stray from established suppliers in the hopes of saving a few bucks.
Neighboring countries may offer what looks like a bargain, but logistics, customs fees, and questions about handling push costs higher in the long run. Trusted suppliers add value with full documentation and customer support. In some countries, just importing Red Quinone can trigger compliance checks or special licensing requirements. Before money changes hands, always review the regulatory status with your compliance team or consult national chemical registries. Getting stuck with a seized shipment or legal trouble rarely ends well.
To avoid counterfeits, buyers need a checklist. Ask about certificates of analysis, actual batch numbers, the source of origin, and handling conditions during transit. My team has run into sellers dodging these questions—never a good sign. Don’t hesitate to insist on a physical sample for validation if you’re making a big order. Watch out for sellers who rush the transaction or make promises that sound too good to be true. A reputable dealer won’t take offense at questions about purity, packaging, or country of origin.
Genuine Red Quinone is rare, and it commands a serious price. Staying vigilant and reaching out to recognized chemical suppliers protects the buyer, boosts research reliability, and shields workers from hazardous substitutions. For researchers and businesses, the payoff for due diligence can be measured not just in product quality, but in safety and reputation down the road.
| Names | |
| Preferred IUPAC name | 5,12-Dihydronaphthacene-6,11-dione |
| Other names |
Solvent Red 98 C.I. 60725 Vat Red 1 Quinizarin |
| Pronunciation | /ˈrɛd kwɪˈnoʊn/ |
| Identifiers | |
| CAS Number | 82-86-0 |
| Beilstein Reference | 3915287 |
| ChEBI | CHEBI:86323 |
| ChEMBL | CHEMBL44582 |
| ChemSpider | 121350 |
| DrugBank | DB11738 |
| ECHA InfoCard | 100.004.125 |
| EC Number | 1.14.99.3 |
| Gmelin Reference | 5381 |
| KEGG | C00595 |
| MeSH | D03.438.221.173.923 |
| PubChem CID | 6787 |
| RTECS number | DN3150000 |
| UNII | A4G6ONI682 |
| UN number | UN1214 |
| Properties | |
| Chemical formula | C6H4O2 |
| Molar mass | 208.12 g/mol |
| Appearance | dark red crystalline powder |
| Odor | Odorless |
| Density | 1.31 g/cm3 |
| Solubility in water | Insoluble |
| log P | 3.14 |
| Vapor pressure | 0.02 mmHg (25°C) |
| Acidity (pKa) | 9.6 |
| Basicity (pKb) | 8.2 |
| Magnetic susceptibility (χ) | Paramagnetic |
| Refractive index (nD) | 1.663 |
| Viscosity | 510 cP |
| Dipole moment | 3.5052 Debye |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 100.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | +185.0 kJ mol⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -765.0 kJ/mol |
| Pharmacology | |
| ATC code | N05C B01 |
| Hazards | |
| Main hazards | May cause fire or explosion; strong oxidizer. Toxic if swallowed, inhaled, or in contact with skin. Causes severe skin burns and eye damage. |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302, H315, H319, H335 |
| Precautionary statements | P210, P220, P221, P261, P264, P270, P271, P273, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P321, P330, P337+P313, P362+P364, P405, P501 |
| NFPA 704 (fire diamond) | 3-2-2-OX |
| Flash point | >61°C |
| Autoignition temperature | 286°C |
| Lethal dose or concentration | LD50 (oral, rat): 130 mg/kg |
| LD50 (median dose) | LD50 (median dose): 500 mg/kg (oral, rat) |
| PEL (Permissible) | PEL: 0.1 mg/m³ |
| REL (Recommended) | REL: 0.1 mg/m³ |
