|
HS Code |
125813 |
| Chemicalname | Tri-O-Cresyl Phosphate |
| Abbreviation | TOCP |
| Chemicalformula | C21H21O4P |
| Casnumber | 78-30-8 |
| Molecularweight | 368.37 g/mol |
| Physicalstate | Liquid |
| Color | Colorless to pale yellow |
| Odor | Faint aromatic odor |
| Meltingpoint | -25°C |
| Boilingpoint | 410°C |
| Solubilityinwater | Insoluble |
| Density | 1.180 g/cm³ at 20°C |
| Vaporpressure | 0.00016 mmHg at 25°C |
| Flashpoint | 234°C (closed cup) |
| Refractiveindex | 1.555 at 20°C |
As an accredited Tri-O-Cresyl Phosphate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Tri-O-Cresyl Phosphate is packaged in a 200-liter blue HDPE drum, tightly sealed, with clear hazard and product labeling. |
| Shipping | Tri-O-Cresyl Phosphate (TOCP) should be shipped in tightly sealed containers, protected from moisture and heat, and labeled as hazardous material. Transport must comply with regulations for toxic substances (e.g., UN 2574). Avoid contact with foodstuffs, and ensure containers are secure and upright during shipping to prevent leaks or spills. |
| Storage | Tri-O-Cresyl Phosphate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as oxidizers and strong acids. Protect from physical damage, moisture, and direct sunlight. Use chemical-resistant shelving, and ensure proper labeling. Access should be restricted to trained personnel with appropriate safety measures in place. |
Competitive Tri-O-Cresyl Phosphate prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615380400285
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Tri-O-Cresyl Phosphate, known among chemical professionals by its abbreviation TOCP, stands as a key chemical compound in our production lineup. Our experience with TOCP goes back decades, and we've seen its uses grow across a range of industries. We manufacture TOCP using high-quality raw materials, constant monitoring, and established protocols. We do not cut corners with quality or process control, knowing that applications from plastics to lubricants count on our consistency. Every batch of TOCP leaves our factory after precise testing for purity and the right isomeric composition, tracing back to our understanding of real-world requirements and how they shape the demands for this compound.
We have learned firsthand that performance hinges on purity and the mix of ortho, meta, and para isomers. Our standard TOCP grade offers an ortho isomer content of no less than 97%, confirmed by gas chromatography. We emphasize the importance of color and acidity, keeping color values clear and acidity controlled below 0.1 mg KOH/g. Volatile matter is limited to under 0.1%—ensuring storage and processing do not result in surprises for our clients. We also monitor water content and refractive index on each production run. Each detail comes from direct feedback and constant collaboration with users of TOCP, who rely on minimal impurities and predictable handling properties. Our process allows us to adjust isomer content and other parameters if clients need tighter controls for specialized applications in electronics or polymer industries.
Years of providing TOCP to domestic and international partners have taught us where its real value lies. As a plasticizer in the manufacture of plastics and synthetic rubber, TOCP changes the game for flexibility, fire resistance, and processing temperatures. Polyvinyl chloride (PVC) compounds, cable coatings, and vinyl flooring all take on improved qualities with the right amount of TOCP. We take pride in knowing our product ends up in everything from conveyor belts to automotive interiors, where durability under heat and pressure matters.
We also supply TOCP to the lubricants sector. Gear oils and hydraulic fluids require additives that improve fire resistance and load-carrying ability. Our customers working with heavy equipment and industrial machinery often tell us that oils blended with our TOCP perform better in harsh conditions, showing fewer breakdowns. We make it a priority to keep phosphorus levels and odor low, based on the requirements of industrial lubricant blenders who work directly with finished oils and face daily performance concerns.
The flame retardant function of TOCP expands its reach into materials where fire safety is a priority: wire coatings, electrical equipment, and engine components. Our dialogue with users in electronics and engineering has focused on getting the right balance of physical properties—flexibility without stickiness, thermal stability without excessive softening. Our plant workers, engineers, and laboratory staff constantly share notes with these industry partners, and our product evolves from their input over time.
Many customers ask what sets TOCP apart from other phosphate esters like tri-phenyl phosphate (TPP), tri-butyl phosphate (TBP), or similar plasticizers. In our work, we have seen that TOCP offers a unique combination of moderate viscosity, strong plasticizing power, and excellent thermal stability. TPP tends to deliver better flame retardancy, but it falls short in compatibility with soft PVC. TBP features a low viscosity and is often chosen where light color and volatility matter most, but its plasticizing effect is weaker.
Our product stands out by combining fire retardancy and smooth processability—essential for vinyls, rubbers, and engineering plastics. Compared to non-phosphorus plasticizers, such as phthalates or adipates, TOCP shines in high-heat applications. This has made a direct difference for our clients in wire and cable manufacture, who need insulation that will not fail in the heat of a short circuit or ongoing overload. Our conversations with formulators also reveal that TOCP can serve as a co-plasticizer, providing balance where single-component alternatives show weaknesses.
From a producer’s perspective, choosing between different organophosphate esters involves a trade-off: compatibility, cost, availability, and safety profiles. We recognize that TOCP, while powerful, requires careful handling due to toxicological concerns associated with its ortho isomer. Years spent training our staff, refining our plant containment systems, and adjusting our ventilation make it possible to keep exposure low. We recommend that all our customers train their teams and check local regulations before switching over to a phosphate ester they have not previously used.
As the actual manufacturer, we cannot ignore the ongoing debate about TOCP’s health impacts. The ortho isomer brings a risk of neurotoxicity if mishandled or misused. Decades ago, this risk shaped public policy, and it still shapes our site practices and support for downstream users. We design our production floors for worker safety—real air monitoring, sealed systems, and strict personal protective equipment standards. Our lab teams work with small, contained samples, limiting risk and keeping data accurate. We regularly review safety protocols and invest in training for new workers and long timers alike to fix knowledge gaps before they can cause harm.
We address questions from clients about worker exposure and regulatory compliance every month. Some industrial users choose to substitute less hazardous plasticizers, especially where food-contact standards or environmental regulations require them. We explain potential exposure routes clearly, point to actual monitoring results from our plant, and share publicly available guidelines. Educating customers means fewer accidents and more responsible use throughout the supply chain.
Wastewater from our production contains trace residues that require careful treatment. Decades of process optimization made us invest in in-plant purification, air emission control, and responsible waste handling. Regulators constantly update limits on phosphates and organic contaminants. Staying ahead of these changes means working closely with local authorities, investing in better containment, and being transparent with impact reports. Clients appreciate this attitude—knowing their supplier takes the same environmental rules seriously as they do.
Innovation never stands still. Several times each year, we meet with the research teams from downstream industries: plastics, elastomers, coatings, and lubricants. We listen to concerns about stricter limits on hazardous substances and the need for fire-retardant materials that pass new international flammability tests. Instead of copying existing commodities, we use decades of lab notebooks and pilot plant data to modify our TOCP formulations. We pursue collaborations with universities and independent labs, learning from their toxicology screens and process chemistry feedback.
Each improvement comes from real trial and error. We have learned where to cut reaction temperatures to avoid by-product formation, when to lengthen purification steps, and how to split product streams to create special grades. This flexibility has allowed us to deliver both high-grade TOCP for electronics and cost-effective grades for commodity plastics. Our site chemists and operators take pride in their technical knowledge and hands-on understanding of how a change in raw material purity or process temperature alters final product behavior on a real production line.
Product recalls or field complaints push us to adapt. A cable insulation manufacturer once flagged a problem involving surface migration in finished wires. Our technicians visited the site, checked the application conditions, and provided a detailed analysis of the likely cause—impurities below our own detection limit at the time. The solution came from adjusting our distillation and checking raw inputs more rigorously. Since then, each plant shift follows this upgraded inspection protocol.
Direct feedback shapes our daily decisions. We do not rely solely on lab tests or published data. Each client brings individual batch requirements, challenging us to provide real answers. Polymeric flooring customers report on ease of mixing, finished product odor, and in-use flexibility. Lubricant blenders send samples for joint analysis, allowing us to track performance changes tied to seasonal temperature swings or alternate base oils. We keep detailed records and support on-the-ground problem-solving because experience proves it produces the most reliable improvements.
Global changes in supply chain efficiency push us to upgrade logistics, packaging, and documentation. Over the years, container leakage, off-gassing, and poor labeling have led to costly losses and safety headaches. To tackle this, we adopted leak-proof drum seals, vapor-barrier liners, and color-matched labeling that withstands repeated handling. Our logistics staff keeps up with international regulations on the shipment of hazard materials, giving advice directly instead of passing concerns to distant brokers.
We participate in chemical industry groups and dialogues with standards organizations, aiming to direct policy based on hands-on production knowledge. As flame retardancy and toxicity standards evolve, we explain the realities of industrial-scale handling, transportation, and downstream safety. This approach gives end users a voice in future regulation and helps us make sure future requirements are practical and based on industrial capability.
Over the years, societal demand for nontoxic and renewable alternatives to classic chemical additives has grown louder. Our own research and close contact with sustainable chemistry initiatives keep us pushing for more eco-friendly plasticizer and additive options. While TOCP continues to fill an essential role for many industries, especially in high-thermal-stress and flame-retardant applications, we have begun supporting clients searching for safer phosphate esters and even bio-based plasticizers. This does not reflect a lack of faith in our flagship product; rather, it shows our honest connection with customer preferences and regulatory trends.
At industry conferences and in everyday sales meetings, we discuss the uncertainties around the long-term environmental accumulation of organophosphates. We recognize that greater scrutiny will come. Our customers share this concern. Some are already piloting stricter containment and waste treatment. We share best practices learned from decades of controlling process emissions and shifting to closed-loop manufacturing, helping smaller users and new entrants avoid early-stage mistakes. Our team meets with environmental scientists to evaluate the plausibility of green chemistry pathways, and we share pilot data with universities and industry networks to accelerate the change when alternatives reach industrial scale.
Trust grows when a chemical producer does not hide behind codes or platitudes. We keep our door open for auditors and invite customers to see how TOCP is made, stored, and transported. Open communication, timely reporting, and willingness to adapt have won us long-term customers, especially those shifting their own processes to comply with new safety or sustainability standards.
Based on years of hands-on experience, safe and effective use of TOCP depends on a few essentials. Never treat phosphate esters carelessly. All handling must avoid prolonged skin contact and inhalation. Well-ventilated workspaces, spills contained at the source, and prompt clean-up are non-negotiable in our view. Our own plant history testifies that consistent training and clear signage prevent more incidents than even the most sophisticated engineering controls.
For those integrating TOCP into plastics, start with small pilot batches and measure properties like flexibility, transparency, and processing viscosity at every stage. Users in lubricants must pay attention to blending order, temperature limits, and filtration steps—TOCP can interact with other additives in unpredictable ways under certain conditions. We stay available to run joint tests or review field samples. No lab simulation can fully replace real-world process information, shared openly between planner, producer, and end user.
Storage and inventory practices also make a difference. TOCP stores well under dry conditions, away from strong acids or heat sources. We monitor warehouse environments and keep strict records of drum turnover, paying special attention to containers that remain on site beyond intended shelf life. Our maintenance team regularly inspects seals and storage racks, knowing even a minor leak can snowball into wasted material or a regulatory notice.
Documentation—batch records, test certificates, and compliance statements—travels with every shipment. This stems from our respect for operational transparency and our clients’ audit requirements. Most customers value receiving detailed specification sheets and origin traceability as much as the chemical itself. We hold onto production data for years, allowing us to support long-term investigations or provide evidence in regulatory reviews.
The global chemical industry moves toward safer, greener, and more sustainable production. TOCP’s position in this landscape reflects the enduring need for chemicals that bring unique physical performance, and the reality that better alternatives are rarely simple substitutions. As manufacturers, we see the nitty-gritty in each process step—raw material fluctuations, worker safety, quality controls—and respond directly to changes rather than passing them to intermediaries.
We embrace advances in portable analytical tools, online monitoring, and continuous manufacturing. Process engineers work with research chemists to test sensors and predictive models, catching deviations before they reach customers. In the past, a batch out of specification could cost us a customer—so we invested in digital tracking and predictive maintenance across our plants.
Our commitment extends to every link in the supply chain. By delivering real-world expertise, acknowledging product limitations, and collaborating openly with stakeholders, we ensure that each drum or tote of TOCP leaving our site contributes positively to the industries it serves—and never becomes a problem for those downstream. Our team constantly works to improve both our product and our partnership with those who depend on it.
