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2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide

    • Product Name 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide
    • Alias salicyluric acid
    • Einecs 242-362-6
    • 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

    650311

    Chemical Name 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide
    Molecular Formula C13H11NO3
    Molar Mass 229.23 g/mol
    Cas Number 38019-87-1
    Appearance Off-white to light brown powder
    Melting Point 235-239°C
    Solubility In Water Slightly soluble
    Storage Temperature 2-8°C
    Purity Typically ≥98%
    Synonyms Salicylanilide 4'-hydroxy
    Iupac Name 2-hydroxy-N-(4-hydroxyphenyl)benzamide
    Smiles C1=CC(=CC=C1NC(=O)C2=CC=CC=C2O)O
    Inchi InChI=1S/C13H11NO3/c15-10-5-7-12(8-6-10)14-13(16)11-4-2-1-3-9(11)17/h1-8,15,17H,(H,14,16)
    Logp 2.13

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

    Packing & Storage
    Packing 50g of 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide is supplied in a sealed amber glass bottle with a tamper-evident cap.
    Shipping **Shipping Description for 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide:** Ship in a well-sealed, labeled container, protected from moisture and light. Use cushioned, leak-proof packaging. Handle as a chemical substance; avoid temperature extremes and direct sunlight. Comply with local regulations and include Safety Data Sheet (SDS). Not classified as hazardous for transport unless otherwise specified.
    Storage 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at room temperature (15–25°C). Avoid exposure to strong oxidizing agents. Ensure proper labeling and restrict access to authorized personnel to maintain safety and chemical stability.
    Application of 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide

    Applications of 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide in Industrial Manufacturing

    Our production of 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide serves specialized sectors requiring stringent quality and purity. As a primary manufacturer, we integrate precise process controls to support the end-use performance of advanced industrial materials worldwide.

    1. Monomer for Polyarylate Resin Synthesis

    This compound acts as a monomer unit in the synthesis of high-performance polyarylate resins. Polyarylates, known for thermal stability and dimensional accuracy, are widely used in demanding electrical and optical applications. The raw material enters during the esterification stage, where the purity and precise functionalization impact polymer chain integrity. Processing environments require tight humidity and temperature control, and the downstream purification sets critical molecular weight distributions for resin extrusion and molding operations.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • RoHS Directive 2011/65/EU
    • REACH Regulation (EC) No 1907/2006
    • IEC 61249-2-21:2012 on halogen-free requirements for electronic materials

    Typical usage ratio

    • Monomer addition at 15–28% by weight, adjusted based on the target molecular architecture and final resin performance criteria

    Downstream process integration

    • Introduced during the core condensation step with aromatic diacids and diols; final polymerization followed by vacuum stripping and granulation

    Final product types

    • Flame-retardant printed circuit boards (PCBs)
    • Optical data storage substrates
    • Heat-resistant industrial films
    • Precision-molded electrical housings

    2. Intermediate for Pharmaceutical Synthesis (Selective Estrogen Receptor Modulators)

    The compound functions as a registered intermediate in the multi-step synthesis of certain non-steroidal pharmaceuticals, including molecules in the selective estrogen receptor modulator (SERM) class. High-purity material is required to meet strict impurity and heavy metal thresholds. The substance enters after chlorination and before cyclization, impacting the stereochemical outcome of the active pharmaceutical ingredient (API). Downstream purification and analysis must conform to regulatory dossiers.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • EU GMP Annex 8: Sampling of Starting and Packaging Materials
    • United States Pharmacopeia (USP) <795> and <1078> for pharmaceutical production
    • EDQM Certificates of Suitability (CEP) for intermediates

    Typical usage ratio

    • Used at 10–25 mol% basis in SERM synthesis, adjusted for mole-to-mole conversion and yield requirements of subsequent cyclization

    Downstream process integration

    • Fed into reactor post-halogenation; serves as a crucial precursor in API assembly chain; material recovery and recycling protocols applied

    Final product types

    • Active pharmaceutical ingredients (API) for breast cancer therapeutics
    • Bulk pharmaceutical intermediates
    • Tablet and capsule formulations (after final API synthesis by the customer)

    3. Ultraviolet Absorber Precursor in Polymer Additives

    Downstream formulators utilize this compound as a starting material for synthesizing benzoxazinone-type UV absorbers. These specialty additives provide photo-stabilization for plastics exposed to UV radiation. The material enters amidation and cyclization processes, and its phenolic structure directly influences the final additive's absorption spectrum. Consistency of the precursor purity improves batch-to-batch reproducibility in commercial compounding settings.

    Industry compliance standards

    • EN 71-3:2019 (Safety of toys – migration of certain elements)
    • ISO 14021:2016 (Self-declared environmental claims)
    • FDA 21 CFR 177.1520 for polyolefin contact materials (additives section)
    • GB/T 20122-2006 Light Stabilizers for Plastics

    Typical usage ratio

    • Precursor constitutes 18–35% by mole in UV absorber synthesis; downstream incorporation of final additive at 0.1–0.5% by weight in plastics

    Downstream process integration

    • Undergoes initial cyclization before final methylation and blending into masterbatches or liquid additive packages for plastics compounding

    Final product types

    • UV-stabilized polypropylene (PP) and polyethylene (PE) sheets
    • Outdoor fiber-reinforced composites
    • Automotive interior and exterior panels
    • Packaging films with UV-resistance requirements

    4. Dye and Pigment Intermediate for Specialty Colorants

    This material serves as a core intermediate in the manufacture of specialty azo and anthraquinone dyes, which meet high-performance requirements for automotive and technical textiles. Its phenolic and amide functionalities contribute to the formation of stable chromophores via controlled coupling reactions and subsequent oxidation. The downstream process relies on continuous monitoring for byproduct removal, and precise integration at the coupling stage ensures target shade reproducibility.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textiles
    • EN ISO 105-C06:2010 for color fastness to washing
    • GOTS (Global Organic Textile Standard) input restrictions for dyestuffs
    • REACH Annex XVII restrictions on aromatic amines

    Typical usage ratio

    • Intermediate added at 12–22% weight of total batch, variable by target pigment coloration and substrate compatibility

    Downstream process integration

    • Chemical introduced directly in diazotization and subsequent coupling step, followed by salt-out and milling to achieve target particle size and dispersion

    Final product types

    • Automotive OEM color coatings
    • Color-fast textile dye powders
    • High-durability plastic color concentrates
    • Specialty printing inks for non-absorbent surfaces
    Free Quote

    Competitive 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide: Production, Realities, and the Path Forward

    Introduction: What Experience Has Shown Us

    Decades on the production floor, not in a boardroom, have shown us that customers ask questions for good reasons. They want to know what goes into 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide, how batches stay consistent, and what really sets this compound apart from similar materials. The questions never stay on the surface. Our team has to know the chemistry, the logistics, the fine print behind raw material sourcing, and the real needs of formulators and research scientists.

    Specifications Grounded in Manufacturing Practice

    Our quality parameters stem from daily factory reality, not just from certificates. The product, also known as 4-Hydroxyphenyl salicylamide, often reaches the analytical world in the form of a pale crystalline powder. Molecule integrity shows through consistent melting points, typically in the 214–216°C range, and purity exceeding 98%. We achieve this each time by detailed process control, beginning with reagent selection through to crystallization and packaging.

    Every batch flows through HPLC for main peak area, with impurity profiles checked at critical splits. Moisture content gets tested using Karl Fischer titration to avoid downstream processing issues. Our focus remains fixed on transparency and repeatability, which eases the burden for anyone transferring our material into a new formulation.

    Controlling Every Step: Sourcing to Delivery

    Quality doesn’t emerge by chance. The starting point is raw materials: salicylic acid and 4-aminophenol, both requiring fine screening. Reagent purity, batch-age tracking, and supplier relations play big roles. Variations in input quality create headaches for synthesis yield and analytic result, so most effort goes into relationships and sampling control at the very start.

    Patience pays off in the reaction stage. Life has shown us there are few shortcuts: Condensation reactions involving these substrates require vigilant temperature and pH control; even a brief deviation favors impurity formation that will trace through into HPLC. Filtration and washing steps get attention for the same reason; incomplete removal of mother liquors often leaves behind colored traces, off-odors, or “soft” crystals that disappoint end users.

    Once dried, packing in HDPE containers under inert gas allows us to limit absorption of ambient humidity—a routine but essential step. There is little point making a high-purity batch only to lose it over a few hours in the wrong environment.

    Uses - The Value Our Partners Gain

    Much of the business develops out of active partnerships, not just anonymous sales. Over the years, labs and plants have explained how 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide fits into their work—acting as a building block for specific pharmaceuticals, a probe in biochemical pathways, or a raw material for imaging agents and analytical standards.

    In the pharmaceutical research arena, the phenolic and amide groups present rich chemistry. Our clients have explored the hydrogen bonding pattern to design new binding motifs for enzyme inhibition studies. In analytical chemistry, the compound often pops up as a reference substance, as its stability helps calibrate older and newer detection systems. Material scientists occasionally leverage the two hydroxyl positions, finding this scaffold useful when crafting hybrid materials or developing UV-absorbing coatings.

    The most satisfying stories come from users who fight tough solubility or dissolution problems, only to call back after realizing that our careful crystallization work shaved hours off their pre-formulation headaches. Success for us isn’t just about meeting the certificate specification but supporting those “aha” moments in the lab, where one variable unlocks a stalled project.

    What Separates This Compound From the Crowd

    2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide often gets lumped in with other salicylamide derivatives or even with broader categories of phenolic amides. Fact is, structure and purity make all the difference once real-world projects begin.

    The dual hydroxyl substitution—at ortho and para positions—offers extra hydrogen-bonding and greater synthetic flexibility. That’s not just theoretic. Peers in academic research regularly publish work showing this molecule’s tendency to anchor or direct other functional groups with more control than simpler amides. Downstream processes like coupling or complexation benefit from that extra handle, especially under aqueous or partially aqueous conditions where selectivity often makes the difference between a workable synthesis and a series of failed attempts.

    Other amide products, lacking that second hydroxyl, can surprise users with lower water solubility or unpredictable reactivity. For high-throughput screenings, this translates into time lost in troubleshooting. Some generic products hit the market with residual colored impurities due to relaxed purification protocols; our batches retain a spotless visual profile and consistent assay, avoiding those pitfall.

    Conversations with clients regularly confirm that fine differences in crystallinity, particle size, or trace impurity content can mean the difference between a smooth development campaign and one hampered by repeated QC investigations or delayed regulatory filings. As a manufacturer, we witness the cost of these small details every day; taking shortcuts is not worth it.

    On Meeting the Stringent Demands in Today’s Industry

    Regulation and process scrutiny increase year after year, nowhere more than in pharmaceutical and biotech fields. Customers expect not just a pure product but a transparent, traceable pathway from raw material to final drum.

    That’s why every consignment leaves our site with a full batch history and retains backup samples for post-delivery investigation. This data-backed approach heads off questions before they rise. We have found that by logging each synthesis parameter, from vessel charge weight to final drying hours, we reduce disputes and deliver peace of mind, especially for regulated customer projects.

    We’ve been asked to match obscure analytical methods for certain international specifications. Rather than gloss over these, our lab takes the time to parallel-test with those procedures, reporting anomalies and explaining them with hard data. Long-term clients appreciate the honesty and don’t need to chase us for explanations.

    Batch-to-Batch Consistency: Beyond the Brochure

    No one benefits from surprises due to shifting analytical results between shipments. From bitter experience, we understand the pressures customers face when a new batch throws off a validation or reveals a new impurity peak. The plant chemists, not marketing staff, run the actual equipment and keep close tabs on the details: milling speed, solvent quality, filtration efficiency.

    Our statistical process control system flags drifts long before they ripple into product properties. When issues do crop up—and they inevitably do—the team doesn’t just hope for the best. They dig in, trace back to the actual reactor data log, and correct future runs. Product managers visit the plant floor regularly to see firsthand why certain choices get made. The aim is to turn out material that won’t send the end user back to running baseline corrections or insurance analyses.

    Challenges and Solutions: Stories From The Floor

    Batches occasionally present as faintly discolored—usually a reflection of an impurity carried through from a less-than-optimal recrystallization solvent. Switching solvents seems trivial until the knock-on effects show up: lower yields, stickier filter cakes, longer drying. These headaches prompt us to run small-scale pilots before rolling out plant-wide changes, sparing both us and buyers from surprise.

    Moisture uptake used to cause bottlenecking, especially during humid seasons. That resulted in caking and required extra downstream interventions. We invested in improved environmental controls and trained all operators to recognize the early warning signs. Small steps, like staging containers in a dry room and double-sealing after sampling, cut rework rates and customer complaints.

    Shipping remains a wildcard for sensitive materials. To ensure delicate crystalline properties survive rough routes, each order leaves the plant packed with extra desiccants and clear batch documentation. If weather conditions pose unusual risks, we reroute or adjust shipping schedules, communicating directly with receiving warehouses.

    Chemical Safety and Stewardship—A Non-Negotiable

    We work with chemicals; safety is not a compartmentalized job. Handling 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide with respect means clean processes and honest communication. Plant staff receive routine training in spill prevention, PPE selection, and incident response, and every new process comes with its own risk review, no matter how familiar.

    The world asks more of manufacturers now—rightly so. That includes sustainable waste handling and minimizing environmental impact. Our strategy pivots on solvent recovery and thoughtful waste neutralization. Small gains here ripple out to keep not just our own plant but the greater community safer.

    Supporting Innovation—Lessons Shared

    A fair number of buyers are running development programs never seen before. Our team gets a sense of fulfillment when project leaders call for input, not just for a quote. Over time, we’ve built up practical knowledge about this molecule—like which solvents will give a fully clear solution or how minute changes in storage might tweak UV absorption data. These aren’t answers found in a typical spec sheet. Our chemists keep notes from past projects and share openly with customers facing similar hurdles.

    Sometimes a researcher faces puzzling HPLC tailing or unexplained baseline drift. Instead of shifting blame, we invite feedback on batch number and analyst method. Often, modifications in column, gradient, or solvent clean-up protocols solve issues. We keep in touch beyond sale, tracking whether the material performs over months, not just at first delivery. This shared learning builds relationships deeper than routine transactions.

    The Demand for Authenticity and Responsiveness

    In a crowded market, technical discussions make more impact than marketing tricks. Customers expect manufacturers to answer detailed questions about particle size, trace metals, or elemental analysis results. If something falls short, the expectation is for honest dialogue and a corrective path.

    We don’t compete by racing prices to the bottom or hiding behind middlemen. Our market position comes from providing a product that doesn’t derail workflows, is repeatedly fit for sensitive application, and is supported with actual chemistry answers. Repeat orders, not advertising spend, show the health of our partnerships.

    Admitting uncertainties or highlighting limits of current methods doesn’t erode trust—in reality, it earns it. Plenty of new buyers admit they switched to our material after tiring of evasive answers or repeated failures to deliver on promises. The more we open up about real plant experience, the more confident clients feel about committing to programs that may span years and bridge multiple regulatory regions.

    Continuous Improvement and Future Directions

    Manufacturing is never static. R&D feedback pushes us to tweak particle size distributions or run trials with greener solvents. Customers expect lower detection thresholds for trace contaminants or more reliable solubility across pH. We keep records of both successes and failures, sharing insights with those who rely on our expertise.

    The push towards digital batch tracking and improved analytics reduces errors and sharpens accountability. Laboratory automation offers greater precision, but factory wisdom grounds every upgrade—we learn from actual use, not just from textbook parameters. Every advancement, from solvent recovery to packaging upgrades, rolls out only when real demand emerges and results confirm improvement.

    Final Perspective: What Users Really Value

    Most end users aren’t looking for generic product language or manufactured hype. They need assurance that the 2-Hydroxy-N-(4-Hydroxyphenyl)-Benzamide in their order matches not just a chemical structure but the trust placed in a producer who knows the risks and stakes involved. Compromises in quality or service have real consequences for scientists under deadline or sectors operating under strict regulation.

    Our goal is to offer more than a molecule—we deliver insight grounded in day-to-day experience, openness to feedback, and the willingness to face and fix problems without delay. In every container shipped, there is unseen effort from sourcing to post-sale support. For us as a manufacturer, the measure of success is not the moment a sale closes but the day a customer writes back with new challenges, trusting us as a real partner in their progress.