2,5-Dihydroxyterephthalic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 610-92-4 |
| Product name | 2,5-Dihydroxyterephthalic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 2,5-Dihydroxyterephthalic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,5-Dihydroxyterephthalic 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-Dihydroxyterephthalic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for producing functional polymers and coordination compounds | Oxidation of hydroquinone or its derivatives under controlled conditions to introduce two carboxyl groups, followed by purification to obtain high-purity product |
| Materials Science | Used in synthesizing metal–organic frameworks (MOFs) and porous coordination polymers | Self-assembly with metal ions (e.g., Zn²⁺, Cu²⁺) under solvothermal conditions to form porous crystalline structures |
| Medicinal Chemistry | Used as a molecular scaffold or precursor for synthesizing antioxidant or anti-inflammatory compounds | Modification of hydroxyl and carboxyl functional groups via esterification, amidation, or coupling reactions to construct bioactive molecules |
| Dyes & Pigments | Used in synthesizing azo dyes and fluorescent dyes containing phthalic acid motifs | Diazonium coupling with aromatic amines to form dye molecules with specific absorption wavelengths |
| Analytical Chemistry | Used as a reference standard in high-performance liquid chromatography (HPLC) and mass spectrometry (MS) analyses | Applied for instrument calibration and quantitative detection of structurally related phenolic acid compounds in environmental or biological samples |
Manufacturing Quality Control of 2,5-Dihydroxyterephthalic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the stoichiometric reaction of iodine with water in a methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750-800 C to volatilize organic matter, then weighing inorganic residue as sulfate ash. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, using plasma emission spectroscopy calibrated with heavy metal standards. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions on an anion-exchange column with conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 in acidic medium, followed by filtration, drying, and weighing. |
| Iron Content | AAS (Flame) | Atomic absorption measurement of iron after acid digestion and dilution, using characteristic 248.3 nm wavelength absorption. |
| pH of Aqueous Suspension | Potentiometric Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated pH electrode. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using controlled heating and visual observation. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents via gas chromatography with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine volume-based particle size distribution in dispersed suspension. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of solution color against APHA platinum-cobalt standards or measurement of absorbance at 430 nm. |
Technical Specifications of 2,5-Dihydroxyterephthalic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow-green solid |
| Purity | >=98.5% (HPLC) |
| Melting Point | 320–325 °C (decomposes) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| 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-Dihydroxyterephthalic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,5-Dihydroxyterephthalic acid
Safety Information of 2,5-Dihydroxyterephthalic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,5-Dihydroxyterephthalic acid
Industrial 2,5-Dihydroxyterephthalic 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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