2,2-Bis(3-amino-4-hydroxyphenyl)propane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1220-78-6 |
| Product name | 2,2-Bis(3-amino-4-hydroxyphenyl)propane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic GradeMaterial 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 2,2-Bis(3-amino-4-hydroxyphenyl)propane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2-Bis(3-amino-4-hydroxyphenyl)propane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2-Bis(3-amino-4-hydroxyphenyl)propane
| Industry | Application | Process |
|---|---|---|
| Polymers | Monomer for synthesizing high-performance polymers such as polyimides and polybenzoxazoles | Undergoes condensation polymerization with dianhydrides or dicarboxylic acids to form high-temperature-resistant, high-strength polymers |
| Electronic Chemicals | Used in the preparation of liquid crystal alignment agents and photosensitive polyimide precursors | Thermally imidized during photolithography resist or alignment layer coating processes to form stable alignment layers |
| Aerospace | Key component in high-temperature structural adhesives and composite matrix resins | Copolymerized with aromatic dianhydrides followed by high-temperature curing to deliver exceptional thermo-oxidative stability and dimensional retention |
Manufacturing Quality Control of 2,2-Bis(3-amino-4-hydroxyphenyl)propane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine water content based on stoichiometric reaction with iodine and sulfur dioxide in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 750 C in a muffle furnace. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals via plasma-induced atomic emission spectroscopy after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature using controlled heating rate and visual observation of meniscus movement. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration under standardized white light. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents and low-boiling impurities using capillary gas chromatography with flame ionization detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using diode array detection for spectral confirmation and peak purity assessment. |
| Sulfated Ash | Gravimetric Analysis | Weight measurement of inorganic sulfate residue after treatment with sulfuric acid and incineration at 700 C. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity in a saturated aqueous suspension using calibrated glass electrode and pH meter. |
| Bulk Density | Tap Density Measurement | Calculation of mass per unit volume after standardized mechanical tapping of a powder sample in a graduated cylinder. |
Technical Specifications of 2,2-Bis(3-amino-4-hydroxyphenyl)propane
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 215–220 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=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 2,2-Bis(3-amino-4-hydroxyphenyl)propane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2-Bis(3-amino-4-hydroxyphenyl)propane
Safety Information of 2,2-Bis(3-amino-4-hydroxyphenyl)propane
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,2-Bis(3-amino-4-hydroxyphenyl)propane
Industrial 2,2-Bis(3-amino-4-hydroxyphenyl)propane 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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