Diphenolic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 126-00-1 |
| Product name | Diphenolic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 Diphenolic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diphenolic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diphenolic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for producing dyes, resins, and pharmaceutical compounds | Organic synthesis processes including condensation and esterification reactions |
| Resin Industry | Used in the production of modified phenolic resins and epoxy resin additives | Condensation polymerization with formaldehyde or epichlorohydrin |
| Pharmaceutical Intermediates | Serves as a precursor in synthesizing certain antibacterial and cardiovascular drugs | Multistep functional group transformations and coupling reactions |
| Dye Industry | Used as a structural building block for azo and anthraquinone dyes | Diazotization, coupling, and cyclization reactions |
Manufacturing Quality Control of Diphenolic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Bisphenol A Content | High-Performance Liquid Chromatography (HPLC) | Separates bisphenol A in samples using HPLC, followed by quantitative analysis with a UV or fluorescence detector. This method offers high sensitivity and good reproducibility, and is suitable for complex matrices. It is commonly used for testing food packaging and plastic products. |
| Bisphenol A Residue | Gas Chromatography-Mass Spectrometry (GC-MS) | After derivatization, the sample is separated by gas chromatography and analyzed qualitatively and quantitatively by mass spectrometry. This method provides excellent selectivity and high sensitivity, making it ideal for trace-level detection of bisphenol A in environmental and biological samples. |
| Bisphenol A Migration Level | Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) | Uses liquid chromatography for separation and tandem mass spectrometry in multiple reaction monitoring (MRM) mode, enabling highly selective and sensitive detection. Suitable for measuring extremely low concentrations of bisphenol A migrating into food simulants, this is one of the most accurate methods currently available. |
| Rapid Screening | Enzyme-Linked Immunosorbent Assay (ELISA) | Bases on specific antigen-antibody reactions to enable rapid qualitative or semi-quantitative detection of bisphenol A. Simple to operate and high-throughput, it is ideal for initial screening of large batches of samples. However, cross-reactivity may occur, so confirmation with a confirmatory method is recommended. |
| On-Site Rapid Detection | Surface-Enhanced Raman Spectroscopy (SERS) | Utilizes nanomaterials to enhance Raman signals, allowing fast, non-destructive detection of bisphenol A. Requires minimal sample preparation and is suitable for real-time on-site monitoring. Currently transitioning from research to practical application. |
Technical Specifications of Diphenolic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 154–158°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | <=1.0 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 Diphenolic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diphenolic acid
Packaging of Diphenolic acid
Industrial Diphenolic 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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