3,5-Dibromo-4-hydroxybenzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3337-62-0 |
| Product name | 3,5-Dibromo-4-hydroxybenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeReagent Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 3,5-Dibromo-4-hydroxybenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,5-Dibromo-4-hydroxybenzoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,5-Dibromo-4-hydroxybenzoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antiviral agents or antimicrobial agents | Constructs the active molecular scaffold via organic synthesis reactions such as esterification, amidation, or halogen substitution |
| Agrochemicals | Precursor for the synthesis of fungicides or plant growth regulators | Introduces functional groups via nucleophilic substitution or coupling reactions to form biologically active compounds |
| Dyes and Pigments | Structural building block for functional dyes | Participates in dye synthesis processes including diazotization, coupling, or metal complexation |
| Polymers | Flame-retardant monomer or crosslinking agent | Integrates into polymer backbones or side chains via free-radical polymerization or condensation polymerization to enhance flame retardancy |
| Analytical Chemistry | Reference standard or derivatization reagent | Used for analyte identification and quantification in chromatographic or spectroscopic analysis |
Manufacturing Quality Control of 3,5-Dibromo-4-hydroxybenzoic acid
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with the reference spectrum to confirm the presence of characteristic functional groups of 3,5-dibromo-4-hydroxybenzoic acid, such as carboxyl, phenolic hydroxyl, aromatic ring, and C–Br bonds. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Acquire the ¹H NMR spectrum of the sample in a deuterated solvent, and analyze chemical shifts and coupling constants of aromatic protons and carboxylic acid protons to verify structural identity. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and detect with a UV detector (typically at 254 nm or 280 nm). Quantify the main component using external or internal standard method. |
| Related Substances / Impurity Testing | High-Performance Liquid Chromatography (HPLC) | Employ similar chromatographic conditions as in assay, but optimize gradient elution to separate potential impurities (e.g., unreacted starting materials, by-products, degradation products). Assess impurity levels using area normalization or main component self-reference method with correction factors. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Atmospheric Drying Method | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved. Calculate the percentage weight loss to control moisture and volatile substances. |
| Sulfated Ash / Residue on Ignition | High-Temperature Incineration Method | Char the sample and then incinerate in a high-temperature furnace at 700–800°C. Weigh the residual inorganic matter to control total inorganic impurities. |
| Heavy Metals | Thioacetamide Method (Pharmacopoeial Method) or Atomic Absorption Spectroscopy (AAS) | Process the sample according to the *Chinese Pharmacopoeia* or relevant standards, and determine total levels of heavy metals such as lead, mercury, cadmium, and arsenic via colorimetry or instrumental analysis to ensure compliance with permissible limits. |
| pH Value | pH Meter Method | Prepare an aqueous solution of defined concentration (e.g., 1% w/v), and measure its acidity or alkalinity using a calibrated pH meter to indicate the presence of free acid or basic impurities. |
| Melting Point | Capillary Melting Point Determination | Measure the temperature range from initial to complete melting using a melting point apparatus. Compare with literature values (approximately 220–225°C, with decomposition) as an indicator of purity. |
Technical Specifications of 3,5-Dibromo-4-hydroxybenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 215–219 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | 320–340 mg KOH/g |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 3,5-Dibromo-4-hydroxybenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,5-Dibromo-4-hydroxybenzoic acid
Safety Information of 3,5-Dibromo-4-hydroxybenzoic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3,5-Dibromo-4-hydroxybenzoic acid
Industrial 3,5-Dibromo-4-hydroxybenzoic acid Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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