Anhui Liwei Chemical Co., Limited
Products

2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol


    • Product Name 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol
    • Alias Luminos 305
    • Einecs 242-872-3
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    774158

    Chemical Name 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol
    Molecular Formula C9H13NO2
    Molecular Weight 167.21 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 160-164°C
    Solubility In Water Soluble
    Cas Number 55302-96-0
    Purity Typically ≥ 99%
    Synonyms 2-Methyl-5-(2-hydroxyethylamino)phenol
    Usage Hair dye intermediate
    Storage Conditions Store in a cool, dry, well-ventilated area
    Boiling Point Decomposes before boiling
    Pka Approx. 9.8
    Stability Stable under recommended storage conditions
    Odor Odorless

    As an accredited 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is supplied in a 25g amber glass bottle, tightly sealed with a screw cap, and labeled for laboratory use only.
    Shipping 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol is shipped in tightly sealed, chemical-resistant containers to prevent contamination and moisture exposure. It is labeled per regulatory guidelines and packed with appropriate cushioning material. During transit, it is classified as a chemical product, requiring handling by trained personnel and compliance with all applicable safety and transportation regulations.
    Storage 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible materials such as strong oxidizers. Keep the chemical at room temperature and protect it from moisture. Clearly label the container and ensure appropriate chemical safety protocols are followed to prevent accidental exposure or contamination.
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    Tel: +8615380400285

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    Certification & Compliance
    More Introduction

    Introducing 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol

    Genuine Manufacturer’s Approach to Sourcing and Quality

    There’s good reason attention keeps landing on 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol in specialty chemical circles. Making it from scratch is no walk in the park. Every batch must start with careful selection of starting materials, usually by vetting phenolic intermediates from longstanding partners, because any slip in purity can echo through every downstream process. That’s not just talk: after nearly two decades in advanced chemical synthesis, we’ve seen how small shortcuts at the input yield bigger headaches on the output.

    Our experience pushed us toward tighter controls on pH, which pays off in fewer byproducts and more consistent crystallization. In our multi-stage process, the methyl group and hydroxyethyl amino chain both have their own demands, so getting solid conversion every time helped us move from inconsistent beige solids to proper white or off-white powder — exactly the visual benchmark end users expect. We don’t just trust machinery for verification: half a dozen physical checks by the team prevent mix-ups, and regular chromatography audits confirm chemical identity and purity.

    How the Structure Matters in Performance

    Compared to similar phenols or aminophenols, 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol stands out for its dual capability: color development and selective oxidative reactivity. The presence of the methyl at the ortho position tunes the oxidation kinetics. In real-world terms, this can shave several minutes off certain reaction windows in the lab. The hydroxyethyl group, introduced at scale through controlled amination, grants improved solubility in aqueous and organic systems.

    Here’s why that matters for users. For hair dye manufacturers, this combination gives greater intensity with fewer side reactions. We’ve gotten calls from R&D chemists relieved at seeing less background shade and improved shelf stability — not theoretical, but real cost-cutting from batch-to-batch reliability. In colorants for imaging or ink formulations, the balance between electron-donating amino and methyl groups lets formulators fine-tune chromatic output in a way simple para-aminophenols can’t match.

    By producing this molecule in-house, we bring a sharper gaze to each lot’s performance in these real applications. We’ve learned not all products with the same CAS number behave the same. Often, differences boil down to unseen trace impurities: our tighter purification standards let our partners scale up without unpleasant surprises at the testing stage.

    Product Model, Specifications, and the Role of Trace Impurities

    Standardization matters, but as a primary manufacturer, experience shows that not all purity declarations mean the same thing. Most of our material fits 99.5% minimum by HPLC, with moisture controls under 0.5%. These numbers may look dry on paper, but they mean the difference between a production run that sails along and one that throws a batch out of spec. In one case, a single advanced hair color formulation failed because of residual isomer content from another supplier — a problem eliminated by the extra distillation stage we use.

    Particle size distribution also affects dissolution and blending with other chemistries, especially in fast-moving automated lines. Years of feedback from processing managers taught us that slightly coarser powders actually reduce static accumulation, so we adjusted our milling parameters to reflect that. Instead of chasing theoretical fineness, we aimed for flowability that matches the equipment. Keeping iron and heavy metal traces far below the international limits, we test each lot for metals that can promote undesired oxidation or dull final shades.

    Differences from Other Color Developer Chemicals

    Working through hundreds of production batches in the past decade, it became clear that 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol carves its own place among color development agents. The main competition, usually para-aminophenols or the simpler 5-amino-2-methylphenol, does not offer the same balance of solubility and oxidation sensitivity. If a formulator swaps in mono- or di-substituted phenols, unpredictable color drift or even precipitation shows up. Higher functionalization – like the hydroxyethylamino group here – leads to better anchoring in color polymers and more wash-fastness. At the industrial scale, this means a more robust product, less rework, and clearer path through regulatory checks.

    Dye manufacturers sometimes lean on the betaine-based derivatives for gentler skin compatibility, but our molecule finds its mark with more predictable color gradation, especially in high-reduction environments. For imaging compounds, it resists background fading far longer than standard methylated phenols — a claim we’ve repeatedly validated by direct comparison in real inkjet matrix testing. The chemists in our firm get frequent requests for side-by-side data from customers, so we keep a continuous comparison program running between our batches and the major alternatives.

    Key Usage in Current Industry

    In our practice, 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol sees daily movement into several verticals. In the formulation of oxidative hair dyes, this molecule acts as a secondary intermediate and gives the color base added nuance and depth. Longer color stability during sunlight exposure came directly from the controlled oxidative pathway that this molecule follows. Our R&D teams spend time in partner plants running joint trials, so improvements around foaming, odor footprint, or compatibility with new peroxide systems reach the customer’s formulation staff as actual, actionable parameters.

    Some ink and imaging compound formulators rely on us to produce higher optical density with less pigment load. Performance and color consistency aside, toxicology testing repeatedly checks out safe thanks to our strict control of process byproducts. We send out a standard COA with every lot, but we dig deeper when toxicologists make specific requests. Unlike resellers who simply relay paperwork, our technical support team involves synthesis chemists who know which impurity can lead to a regulatory flag or downstream equipment fouling.

    Handling, Safety, and Realities on the Factory Floor

    Manufacturing 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol involves more than weighing powders and adjusting reaction temperature. Safety protocols and equipment design reflect real-world problems, such as static discharge in bulk operations, dust inhalation during transfer, or cross-contamination with other aromatic amines. In our own facilities, strict segregation between production lines removes cross-batch contamination risk. We use local exhaust ventilation, regular workspace monitoring, and real, hands-on training with operational hazards.

    Packing options come directly from decades working with end-user feedback. Some clients needed sealed drum liners because humidity spike caused caking in the old double-bag system. Others moved to vacuum-sealed bags because forklifts had a habit of piercing regular sacks. Our logistics coordinators work closely with QA, not just procurement, which helps us send out every lot in a format that matches its actual use pattern — not just what’s convenient for us.

    Raw Material Sourcing and the Challenge of Price Stability

    Real-world manufacturing doesn’t happen in spreadsheets. Fluctuations in key upstream aromatics hit material input prices hard, and sometimes a cyclone in the supply chain means renegotiating long-standing contracts. The stability in output specs, despite shifting inputs, comes from attention to solvent recycling and improved batch tracking. In a tight-year, we've had to revalidate each lot using secondary analytics like tandem mass spectrometry, because a single contaminated input line threatened consistency. Making these adjustments before the batch gets to the customer spares downstream product failures and stops finger-pointing between supplier and formulator.

    Over the years, efforts to localize certain raw material sources paid dividends. Sourcing critical methylated phenol intermediates in-country drove down lead times and let us step in if geopolitical events closed a border or port. The result isn’t so much a price freeze as a cushion against the worst supply chain shocks.

    Quality Control and Batch-to-Batch Consistency

    Consistency anchors everything in specialty chemical manufacturing. We live by our track record of low rework and near-zero product returns, a record built through continuous monitoring, not “one and done” lab checks. Our in-process controls catch off-spec crystallization, pH drift, and trace metal contamination as they unfold, not after the batch lands in final QC.

    Over dozens of projects with multinational partners, we saw real frustration boil over if repeated lots of color developer led to color mismatch and timeline slip. For every batch of 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol, technicians run analytical and application tests to confirm tight color and performance targets. This approach slashes guesswork at the customer end and allows us to back every shipment with root-cause traceability. Analytical data matter, but so do routine operator checks — a stingy attitude on personnel time only looks like savings until an avoidable batch failure costs days of returns and cleanup.

    Supporting Sustainability and Regulatory Compliance

    Environmental pressure grows every year, and the sector feels it directly. Our operations evolved beyond standard discharge controls, now recapturing solvent streams and minimizing phenolic emissions using upgraded carbon filters. These decisions followed real audit findings and, in some cases, learning from regulatory pushback. Instead of treating compliance as a checkbox, our team bakes emission data into seasonal production planning. Regular roundtables with environmental consultants uncovered improvement areas we hadn’t caught with in-house review.

    On the customer side, the sustainability story rings just as loud. Downstream, brands incorporating our intermediates look for source transparency, so we detail process improvements and traceability in every year’s QA update. We maintain open channels with toxicologists in customer firms, responding to their flagged concerns on the structure-toxicity pathway, and we share our documentation as regulatory standards update.

    Collaborative Partnerships and Technical Support

    One thing we’ve learned: chemists and process engineers hate black boxes. As the manufacturer, sharing key technical data, production history, and improvement results with partners keeps problems visible and solutions practical. Our technical team regularly works on blending, solubility, or scale-up issues right in client facilities, bringing hands-on understanding of how our chemical behaves in their end system. Down to details like reactivity under altered pH or micro-dosing in high-precision mixers, we bring direct manufacturing insight, not recycled brochures or marketing patter.

    In tough transitions, such as a changeover from another developer or a move up in line speed, we bring in both the lab and operations crew to advise and troubleshoot. Our familiarity with edge-case problem-solving — such as identifying the source of an unexpected color drift or advising on safe handling in a humidified environment — comes from on-the-floor experience, not third-hand instruction. This keeps both sides competitive and responsive as end-market demands shift.

    Modernization and Future Prospects

    The market for 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol keeps shifting as brands demand higher consistency and safe chemistry. Automation and batch analytics at our sites keep improving both efficiency and risk control. Success here isn’t just about turning out more tons but about catching subtle process fluctuations before they threaten a target specification. For us, investing in sensor upgrades and digital batch tracking isn’t a future goal — it’s the baseline for running a reliable specialty operation today.

    Industry feedback continually pushes us to lower impurity profiles, improve traceability, and support alternative packaging. Legislative pressures add more “must-haves,” including support for material disclosure, supply chain transparency, and green chemistry commitments. As long as demand stays high for reliable, high-purity color developers, our team will keep tuning the process — not just for manufacturing pride, but to help customers meet their ever-evolving performance, compliance, and safety targets.

    What sets our offering apart ties back to long-term investment in hands-on know-how. Each manufacturing twist, each subsequent process tweak, grew from direct engagement with challenges on the floor and in the field. That knowledge is built into every shipment, every spec sheet, every technical data review session. This is how we keep 2-Methyl-5-(N-Beta-Hydroxyethylamino)Phenol meeting the standards of experts who live and breathe application chemistry — and how we help drive future trends, not just respond to them.