2-hydroxyterephthalic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 636-94-2 |
| Product name | 2-hydroxyterephthalic 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-hydroxyterephthalic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-hydroxyterephthalic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-hydroxyterephthalic acid
| Industry | Application | Process Description |
|---|---|---|
| Chemical Industry | Synthesis of Intermediates | Used to synthesize other organic compounds; serves as a precursor for fine chemicals |
| Materials Science | Polyester Resin Production | Reacts with polyols to produce polyester materials with excellent thermal stability |
| Pharmaceutical Industry | Drug Synthesis | Serves as a key intermediate in the molecular structure of certain pharmaceuticals |
| Coatings Industry | Coating Additive | Enhances coating adhesion and weather resistance |
| Plastics Industry | Plasticizer Synthesis | Participates in the synthesis of plasticizers with specific performance characteristics |
| Analytical Chemistry | Analytical Reagent | Used in colorimetric analysis and complexometric titration of metal ions |
Manufacturing Quality Control of 2-hydroxyterephthalic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies carboxylic acid groups by titration with standardized NaOH solution using phenolphthalein indicator. |
| Moisture Content | Karl Fischer Titration | Measures water content via iodine-sulfur dioxide redox reaction in a methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by high-temperature incineration and weighing of residual material. |
| Heavy Metals | ICP-OES | Quantifies trace metal impurities (e.g., Pb, Cd, Fe) after acid digestion using plasma emission spectroscopy. |
| Chloride Content | Potentiometric Titration | Measures chloride ions using silver nitrate titrant and silver/silver chloride reference electrode. |
| Sulfated Ash | Gravimetric Analysis | Evaluates inorganic residue after sulfuric acid treatment and high-temperature ignition. |
| Melting Point | Capillary Melting Point Determination | Determines temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Organic Impurities (Related Substances) | HPLC-UV | Separates and quantifies structurally related compounds using reversed-phase chromatography and UV detection at 254 nm. |
| Loss on Drying | Thermogravimetric Analysis | Measures volatile content by weight loss after controlled heating under specified time and temperature conditions. |
| pH of Aqueous Suspension | pH Potentiometry | Measures hydrogen ion activity in a saturated aqueous suspension using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution based on angular variation of scattered laser light intensity. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light induced by chiral centers in solution using sodium D-line source. |
Technical Specifications of 2-hydroxyterephthalic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 320-325°C (decomposes) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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-hydroxyterephthalic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-hydroxyterephthalic acid
Packaging of 2-hydroxyterephthalic acid
Industrial 2-hydroxyterephthalic 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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