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2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide

    • Product Name 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide
    • Alias 2',4'-Dihydroxyphenacyl ethanolamide
    • Einecs 223-609-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    227309

    Chemical Name 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide
    Molecular Formula C9H11NO4
    Molecular Weight 197.19 g/mol
    Cas Number 2971-90-6
    Appearance White to off-white crystalline powder
    Solubility In Water Soluble
    Melting Point 168-172°C
    Storage Temperature 2-8°C
    Synonyms N-(2-Hydroxyethyl)-2,4-dihydroxybenzamide
    Smiles C1=CC(=C(C=C1O)O)C(=O)NCCO
    Inchi InChI=1S/C9H11NO4/c11-6-3-1-2-5(8(6)13)9(14)10-4-7(12)9/h1-3,7,11-13H,4H2,(H,10,14)
    Purity Typically >98%
    Ec Number 221-006-2

    As an accredited 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of 2,4-Dihydroxy-N-(2-hydroxyethyl)benzamide, sealed with a screw cap and labeled for laboratory use.
    Shipping **Shipping Description:** 2,4-Dihydroxy-N-(2-hydroxyethyl)benzamide is shipped in tightly sealed containers, protected from moisture and light. It should be handled in accordance with applicable chemical regulations. Ensure the package is clearly labeled and accompanied by a safety data sheet (SDS). Store and transport at controlled room temperature, avoiding extreme heat or incompatible substances.
    Storage 2,4-Dihydroxy-N-(2-hydroxyethyl)benzamide should be stored in a tightly sealed container, protected from light and moisture, at room temperature (15–25°C). Ensure storage in a cool, dry, and well-ventilated area away from sources of ignition, strong oxidizing agents, and incompatible substances. Proper labeling and secure storage are essential to prevent contamination or accidental exposure.
    Application of 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide

    Applications of 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide in Industrial Manufacturing

    As a manufacturer supplying 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide for critical industrial processes, we focus on supplying to downstream sectors that employ this compound as a specialty intermediate and functional additive. Below we detail primary application scenarios based on real-world customer requirements, strictly adhering to compliance and manufacturing best practices.

    1. Hair Dye and Oxidative Hair Colorant Formulation

    Hair colorant producers use 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide as a coupler and stabilizing intermediate to improve color development and shade stability in permanent and semi-permanent hair dyes. The compound enters the dye formulation at carefully controlled concentrations to ensure compatibility with oxidative systems and to enhance chromatic properties while minimizing skin irritation risks.

    Industry compliance standards

    • Cosmetic Ingredient Review assessments (CIR, USA)
    • EU Cosmetics Regulation (EC No. 1223/2009)
    • Japan MHLW Ministerial Ordinance for Hair Dye Ingredients
    • ISO 22716 (Cosmetic GMP)

    Typical usage ratio

    • 0.5% – 2% w/w in final dye paste, adjusted based on shade depth and compatibilities with primary intermediates

    Downstream process integration

    • Dissolve during the aqueous phase blending of colorant base
    • Add prior to or with oxidation agent for proper molecular coupling
    • Homogenize to achieve stable pre-emulsion before tube filling or bottle filling

    Final product types

    • Permanent hair dye creams
    • Liquid hair color developers
    • Two-component oxidative colorant kits
    • Salon professional hair color solutions

    2. Antioxidant Additive in Cosmetic Creams and Lotions

    The compound serves as an antioxidant stabilizing agent in emulsion-type skin care products produced by leading cosmetics brands. Its chelating and radical-scavenging properties help extend shelf life, particularly in formulations with plant extracts and sensitive oils, reducing the need for harsher synthetic antioxidants.

    Industry compliance standards

    • EU Cosmetics Regulation Annex II and III (ingredient restrictions and preservative controls)
    • Personal Care Products Council (PCPC) ingredient safety profiles
    • US FDA cGMP (21 CFR 700 Subpart B – Cosmetics)
    • ISO 16128 (Natural and Organic Cosmetic Ingredients)

    Typical usage ratio

    • 0.3% – 1% w/w in oil-in-water and water-in-oil emulsions; higher dosing for formulas with polyunsaturated oils

    Downstream process integration

    • Incorporate during the cool-down phase following high-shear homogenization
    • Pre-dissolve in propylene glycol or glycerin before addition for uniform dispersion
    • Maintain temperature below 40°C during addition to prevent decomposition

    Final product types

    • Day and night moisturizing creams
    • Body and hand lotions
    • Facial serums for sensitive skin
    • Anti-aging emulsion products

    3. Photostabilizer in Sunscreen Preparation

    Producers of sun care products utilize this compound as a photostabilizer to enhance the photoprotective stability of broad-spectrum sunscreen formulas, especially those containing avobenzone, by reducing the rate of UV filter degradation under prolonged irradiation.

    Industry compliance standards

    • US FDA Sunscreen Drug Products (21 CFR 352)
    • EU Regulation (EC) No. 1223/2009 on finished sunscreen formulations
    • Colipa (Cosmetics Europe) guidelines for photostability testing
    • ISO 24444 (Determination of Sun Protection Factor - SPF)

    Typical usage ratio

    • 0.2% – 0.8% w/w in final emulsion; adjusted according to SPF target and spectrum of UV filters co-formulated

    Downstream process integration

    • Add post-emulsification during cooling to maximize UV stabilizing effect
    • Dissolve in primary oil phase if using oil-soluble UV filters
    • Follow with rigorous light stability and performance QC prior to packaging

    Final product types

    • High SPF facial sunscreens (cream and gel types)
    • Water-resistant body sunblocks
    • Spray and aerosol SPF products
    • Daily wear sun protection moisturizers

    4. Intermediate in Active Pharmaceutical Ingredient (API) Synthesis

    API manufacturers integrate this intermediate during multi-step syntheses of benzamide-based pharmaceuticals. The controlled introduction of hydroxyl and hydroxyethyl functionalities enables advanced derivatization, supporting the construction of molecules targeting anti-inflammatory, dermatological, or central nervous system therapies.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • European Pharmacopoeia (Ph. Eur.) monographs for benzamide derivatives
    • US FDA 21 CFR Part 211 (cGMP for Finished Pharmaceuticals)
    • WHO GMP for APIs

    Typical usage ratio

    • Stoichiometry dictated by specific synthetic step; most frequently 1.0 molar equivalent relative to coupling partner

    Downstream process integration

    • React with acylating or alkylating agents in batch or continuous reactors
    • Purge and isolate by controlled crystallization or preparative chromatography
    • Feed intermediate into final condensation or amidation stage before API purification

    Final product types

    • Benzamide-class drug substances
    • Active pharmaceutical intermediates for dermatological creams
    • Small-molecule anti-inflammatory agents
    • Precursor materials for CNS-active medications

    5. Stabilizer in Advanced Polymer Dispersions

    Producers of waterborne acrylics and polyurethane dispersions select this raw material as a chelating and stabilization additive to improve latex particle uniformity and suppress discoloration caused by metal ion impurities during emulsion polymerization.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management System)
    • ASTM D4827 (Standard Test Method for Determining Stability of Emulsion Polymers)
    • EU REACH Regulation (EC 1907/2006 on industrial use)
    • RoHS Directive 2011/65/EU for coatings applications

    Typical usage ratio

    • 0.1% – 0.4% w/w relative to total monomer content; increased for higher metal ion impurity levels

    Downstream process integration

    • Add to pre-emulsion prior to monomer feed initiation
    • Ensure complete mixing for maximum chelation before initiator addition
    • Monitor dispersion stability post-polymerization prior to downstream chemical modification

    Final product types

    • Waterborne acrylic polymer dispersions for coatings
    • Polyurethane-acrylic hybrid latexes
    • Adhesive emulsions for packaging laminates
    • Emulsion binders for nonwoven textiles
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    Certification & Compliance
    More Introduction

    2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide: A Practical Perspective from the Manufacturer

    Direct from Production: Introducing Our 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide

    You've probably seen plenty of technical pages about chemical intermediates, but hearing from those who handle the process from drum to drum closes a lot of gaps. Our batch facility produces 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide with everyday responsibility—precision, but also a certain pride that comes from refining these molecules at scale. This compound, often short-labeled in-house as HEBA, comes out of our reactors as a thoroughly monitored, reliable product. From the beginning, our chemists select the raw phenol, ethylating and amide-forming agents, recognizing that purity at step one pays back later. We have walked through every step to control trace impurities, so end users work with fewer downstream headaches.

    Why 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide Matters: Daily Practicalities

    Several properties of HEBA catch our attention during routine checks. We observe a crystalline white or light beige powder, which tells us our earlier crystallization was performed under just the right temperature profile. We routinely affirm the melting point and ensure residual moisture remains low—directly measured from our in-process sampling lines. Nobody wants surprises in their reactive formulations, and our pragmatic approach keeps all our clients’ processes running clean.

    What often gets overlooked in a typical product pitch is how small impurities or variances in particle size interrupt downstream work. That's one of the reasons we have invested in upgraded filtration and drying protocols. Our operators catch subtle inconsistencies in process, not after final packing. It’s about producing the same quality every day, not just meeting one-off specs.

    Structural Advantages and Differences in Application

    This benzamide stands apart from other intermediates because of its specific hydroxyl grouping. The two hydroxy groups on the aromatic ring, paired with the hydroxyethyl amide substituent, provide both solubility and reactivity options. We notice our clients in synthetic chemistry prefer it over simpler analogs when they want more hydrogen bonding or controlled solubility—especially in research polymers, dye intermediates, and enzyme substrate testing.

    By comparison, often-used mono-hydroxylated benzamides offer less hydrogen bonding. During our application trials, we noted faster dissolution in water-miscible solvents versus less-hydroxylated variants. Our own formulation chemists commented on the marked difference this makes when scaling up from lab to pilot-scale batches, particularly in pigment or specialty resin applications.

    Another thing we’ve picked up from feedback and years working with customers: off-the-shelf analogs, such as 2-hydroxy or 4-hydroxy benzamides, simply do not match the versatility brought by dual hydroxyls in a single aromatic ring. In trials with customers, residues and batch-to-batch variability appeared lower when using HEBA, likely due to its improved solubility profile and consistent crystallinity from our process.

    Handling Routine: Transparency in Specifications and Testing

    We don’t treat finished product release as a box-ticking exercise. Each lot passes through melting point measurement, powder flow analysis, and purity assessment by HPLC and GC. We regularly see purity well above 99%, with defined specification limits for related substances. Ash content and residual solvent checks follow international norms, but our lab staff often trouble-shoot the tiniest deviations even when regulations allow more flexibility.

    In some markets, users ask for extra heavy-metal screening, even where not mandated. Experience tells us that transparency saves everyone time. We run ICP-MS screening as routine now, not just on request, and disclose results directly. Our own technical support prefers not getting calls where a hidden variable derails a client’s process. We deliberately avoid excessive solvent residues in drying, because our staff worked with customers who faced regulatory audits looking specifically for this issue. Small details in manufacturing avoid very costly rework at end-users’ sites—something we have seen in the past with less carefully prepared material.

    Talking Real Usage: From Lab Inquiry to Full-Scale Production

    Over the years, we've been asked to support everything from gram-scale custom projects to tons-per-month shipments. In the pigments and inks sector, customers rely on the extra hydroxyls for improved dispersion and modification potential. We see R&D chemists blend it into pilot batches for antioxidant testing or as an intermediate for controlled hydrolysis reactions.

    Small-scale pharma discovery labs have used our 2,4-dihydroxy-N-(2-hydroxyethyl)benzamide for in-house synthesis of bioactive molecules. They value that our material arrives ready-to-use, without extra purification, and blends smoothly with solvent systems common in medicinal chemistry. Over time, we learned to keep the particle size in a narrow distribution because several groups found this made weighing and suspensions more reproducible.

    Another set of clients needs the reliability for polymer modification work. They have run head-to-head comparisons with mono- and tri-hydroxy intermediates, coming back to HEBA for specific reactivity in graft-copolymer chains. A steady supply chain, direct-to-client support, and stable product characteristics matter most to these users, often more than simple price.

    Supporting Safe and Predictable Handling

    We asked those in our plant to describe how they approach daily handling, from the earliest raw feedstock charging through to final packing. Many commented on the importance of dust control and moisture protection. We store all intermediates in dry, dedicated sections; extra packaging steps keep atmospheric water at bay. By the time drums or bags leave our facility, moisture content is solidly within a low, reliable range.

    On the safety front, the team tracks exposure levels at every shift, and our partners appreciate receiving safety data built directly on our real plant experience. We have posted occupational exposure histories and routinely monitor potential respiratory risks, passing findings along so users can make informed choices. None of this is an afterthought—collected learning points from our team feed back into packing improvements.

    Direct Support for Formulation and Process Troubleshooting

    Some customers need suggestions for process changes, others bring us unique challenges—from blending in nonpolar solvents to avoiding unwanted by-products during high-temperature work-ups. Because we work from the ground up, supporting these questions comes naturally. Years of direct feedback taught us to provide concise, actionable advice. We keep lines of communication open between our plant chemists and external users, ensuring questions get answered without needless delay.

    An example: one client manufacturing novel UV-absorbing polymers struggled with product haze. After reviewing their data and replicating conditions, our technical group offered a different drying approach, based on our own trials, clearing up their batch without new investment or chemical changes. This level of assistance comes only from direct, daily familiarity with the product.

    Upstream and Downstream Considerations

    On the supply side, sourcing uninterrupted, high-quality raw materials remains a constant pursuit. Our purchasing team tracks variations in feedstock to anticipate and isolate any potential impact on the downstream process. By understanding which lots of precursor phenol or ethyleneamines lead to best outcomes, we can flag variability early. Cross-department communication solves more problems than any written specification ever could.

    Downstream, we openly discuss potential byproducts and help customers set up their own in-house screens in collaboration with our QC team. Sharing what we know keeps surprises rare. Batch-to-batch reporting includes any outliers so that production engineers, not just procurement, get the clear story. Our approach grew from directly living through the pitfalls of “just-spec” material—a missed contaminant can undo weeks of work in a hurry.

    Ensuring Consistency in Large and Small Batches

    A lot of plants talk about scale-up like it’s a technical step, but in our experience, moving from lab glassware to a reactor the size of a small room stresses every procedure. We once had a customer working on waterborne resins who kept encountering clumping at larger scale. After reviewing our own filtration and drying workflow alongside theirs, we shifted to a gradual cooling and staged solvent removal. That became our new standard.

    We measure more than purity or moisture—our production logs record color, flow properties, and homogeneity. A duller shade or stiffer powder sometimes flags a filtration or drying step needing attention. These records help us catch small issues before they affect a truckload of product. This willingness to learn and adapt keeps confidence high.

    Comparisons with Related Chemicals in Real-World Scenarios

    Our technical team has directly compared HEBA’s performance with structurally similar compounds. In dye and pigment synthesis, dual-hydroxylation gave more consistent reactivity and improved shade development than mono-substituted analogs. When using 2,4-Dihydroxy-N-(2-Hydroxyethyl)Benzamide in specialty coatings, customers often report smoother application and better dispersion.

    One specialty lab testing polymer cross-linkers found our HEBA worked at lower catalyst levels than 2-hydroxyethylbenzamide, reducing their operating costs and energy use. We take these results seriously and share them openly, helping customers make informed technical choices.

    In environmental testing, our clients appreciated the greatly improved solubility, which made extraction processes less laborious and more predictable, cutting down their cycle times. These routine comparisons stem from our regular R&D—practical outcomes guide every recommendation.

    High Standards from the Production Floor Up

    Everything said about controls and consistency comes from living with this compound day in and day out. Our operators spot issues without reference books—odd crystal structure, unexpected powder flow, or subtle color changes. We keep a watchful eye throughout production. It’s not just about ticking analytical results. Each lot represents a full cycle of monitored mixing, timed heating, staged cooling, repeated drying, and careful packing.

    We’re also realistic. Even the best procedures need updates as raw material sources or end-use demands shift. Our frequent plant meetings directly involve QC, production, and customer-facing staff, so improvements happen quickly. This cycle of feedback—internal and external—shapes a product that serves its users, not just regulatory paperwork.

    Ongoing Improvements: Listening to Client Needs

    Over time, customer input has prompted changes both minor and significant. We started offering more granular product certificates, breaking out individual byproducts when requested by a polymer plant in Europe. Our shift toward more sustainable processing followed conversations with several long-term partners who wanted greener profiles, not just regulatory compliance. We adjusted process steps to reduce energy use in drying and solvent recycling, both out of principle and because long-term clients requested it.

    Our quality team sends technical visit reports straight to operations and R&D, translating feedback into workable solutions. These adjustments might mean adjusting a cooling ramp by a few degrees or changing filter media, but every modification starts and ends with the needs and experience of real users.

    Our Role in Your Success: Real-World Product Reliability

    We take responsibility for the material from the moment raw materials enter our gate until finished product leaves our loading dock. This hands-on approach flows through all process records, plant walks, and every feedback discussion—shaping a benzamide product that serves common and specialized needs. Our clients depend on predictable performance across cycles, from pilot bench to plant floor, and from formulations to final products.

    There are always lessons to learn and improvements to make. Our team shares experiences openly—good and bad—so our partners waste less time troubleshooting and more time running productive operations. Detailed documentation helps, but nothing replaces the insight gained by those who work with this compound every day, start to finish.

    Ongoing Commitment to Safety, Compliance, and Practical Results

    Our team recognizes not only the technical specifications but also the regulatory environment our users operate in. From regular environmental audits at our site to providing traceable certificates, our procedures align with evolving global standards. By constantly monitoring each step, not just final analysis, the product our customers receive reflects knowledge built on direct facilities management and focused technical expertise.

    Looking toward the future, we continue to drive process improvements from plant experience and direct user feedback. This keeps our 2,4-dihydroxy-N-(2-hydroxyethyl)benzamide a reliable tool for research, production, and creative chemical synthesis. Our role does not end at material delivery. We keep ourselves accountable by staying involved and listening to our customers and our own operators day in and day out.

    Final Thoughts from the Production Line

    Real value comes from knowing your product inside and out. Our 2,4-dihydroxy-N-(2-hydroxyethyl)benzamide isn’t just another item in the catalog. It’s a product shaped by constant attention, transparent process management, and a willingness to adapt. We rely on practical knowledge, shared learning, and open communication with customers—and each lot reflects the reliability we stand for. Continuous dialogue keeps us moving forward, so your operation receives a material that gets the job done, every time.