2,5-Dihydroxybenzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 490-79-9 |
| Product name | 2,5-Dihydroxybenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeReagent GradeCosmetic GradeFood 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 2,5-Dihydroxybenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,5-Dihydroxybenzoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,5-Dihydroxybenzoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates (e.g., analgesics, anti-inflammatory agents) | Used in organic synthesis and esterification reactions |
| Dyes | Preparation of azo dyes or functional dye precursors | Applied in diazotization and coupling reactions |
| Cosmetics | Formulated as an antioxidant or skin-conditioning agent | Integrated into formulation blending and emulsification processes |
| Research Reagents | Employed as a reference standard in chemical analysis or biological assays | Subject to purification and standardization |
| Organic Synthesis | Utilized to construct multifunctional compounds or polymer monomers | Applied in condensation polymerization and functional group modification |
Manufacturing Quality Control of 2,5-Dihydroxybenzoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observing the solid sample under controlled white light against a white background. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Loss on Drying | Gravimetric (105 C, 2 h) | Measurement of mass loss after drying under specified temperature and time to determine volatile content including moisture. |
| Residue on Ignition | Sulfated Ash (Gravimetric) | Determination of inorganic residue after controlled ignition at 600-800 C following sulfuric acid treatment. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, Cr, Ni, Cu after acid digestion, based on atomic emission intensities. |
| Chloride | Ion Chromatography (IC) | Separation and quantification of chloride anion using suppressed conductivity detection after aqueous extraction. |
| Sulfate | Barium Sulfate Gravimetric | Precipitation of sulfate as BaSO4 followed by filtration, drying, and weighing to determine sulfate content. |
| Related Substances | HPLC-DAD | Detection and semi-quantification of structurally related impurities using gradient HPLC with diode array detection. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration with iodine generated in situ to quantify water content based on stoichiometric reaction. |
| pH of Solution (1% w/v) | pH Meter | Measurement of hydrogen ion activity in aqueous suspension using calibrated pH electrode per USP <791>. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution in dry powder state using Mie scattering theory and laser diffraction instrument. |
Technical Specifications of 2,5-Dihydroxybenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 200-204°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 2,5-Dihydroxybenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,5-Dihydroxybenzoic acid
Packaging of 2,5-Dihydroxybenzoic acid
Industrial 2,5-Dihydroxybenzoic 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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