1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7727-33-5 |
| Product name | 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic Grade |
| Packaging | 25KG/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 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
| Industry | Application | Process |
|---|---|---|
| Chemicals | Raw material for phenolic resins | Used in condensation polymerization |
| Electronic Materials | Component of photoresists | Applied in chemical synthesis and purification |
| Pharmaceuticals | Pharmaceutical intermediate | Employed in hydroxylation and substitution reactions |
| Coatings | High-performance coating additive | Utilized in curing and crosslinking processes |
| Plastics | Modifier for thermosetting plastics | Integrated into compounding and molding operations |
Manufacturing Quality Control of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 275 nm, comparing peak area to calibrated standard. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration based on iodine consumption in pyridine-methanol solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities by ignition at 700-800 C and weighing residual ash. |
| Heavy Metals (as Pb) | ICP-OES | Quantifies total heavy metals after acid digestion by measuring atomic emission intensities of metal elements. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using controlled heating and visual observation. |
| Color (APHA) | Visual Comparison or Spectrophotometer | Compares sample solution color to APHA platinum-cobalt standards or measures absorbance at 430 nm. |
| Organic Volatile Impurities | GC-FID | Identifies and quantifies residual solvents using gas chromatography with flame ionization detection. |
| Acid Value | Acid-Base Titration | Measures free phenolic OH groups by titration with standardized KOH in ethanol, using phenolphthalein indicator. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic residue after sulfuric acid treatment and high-temperature ignition. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution of dry powder using Mie scattering theory applied to laser light diffraction patterns. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light by chiral centers in solution at specified concentration and wavelength. |
Technical Specifications of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 275-280 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 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 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
Industrial 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane 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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