2,2-Bis(4-hydroxy-3-methylphenyl)propane Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 79-97-0 |
| Product name | 2,2-Bis(4-hydroxy-3-methylphenyl)propane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 2,2-Bis(4-hydroxy-3-methylphenyl)propane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2-Bis(4-hydroxy-3-methylphenyl)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(4-hydroxy-3-methylphenyl)propane
| Industry | Application | Process |
|---|---|---|
| Plastics & Polymers | Antioxidant and thermal stabilizer to prevent oxidative degradation in polymers such as polyvinyl chloride (PVC) and polyolefins | Added as an additive during polymer processing and incorporated into the resin matrix |
| Rubber Industry | Aging inhibitor to retard thermal and oxidative aging of rubber products | Incorporated during rubber compounding and uniformly dispersed with other additives in the rubber compound |
| Coatings & Inks | Antioxidant stabilizer to enhance coating weather resistance and storage stability | Used as a functional additive, dissolved or dispersed in the solvent system during coating formulation |
| Chemical Intermediates | Building block for synthesizing other phenolic derivatives or polymeric materials | Participates in downstream product synthesis via organic reactions such as alkylation and condensation |
Manufacturing Quality Control of 2,2-Bis(4-hydroxy-3-methylphenyl)propane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 275 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., mono-methylated isomers, dimeric by-products) using gradient HPLC-UV against qualified impurity standards. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine reagent to determine water content based on stoichiometric reaction with water. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Color (APHA) | Visual Comparison or Colorimeter | Measurement of yellowness intensity in solution relative to platinum-cobalt standards using APHA scale. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing (700-800 C) to assess inorganic ash content. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and conductivity detection of chloride ions in sample solution after extraction and filtration. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy measurement of total heavy metals after acid digestion and chelation, reported as lead equivalent. |
| Sulfated Ash | Gravimetric Analysis | Weight of residue after ignition with sulfuric acid pretreatment, indicating inorganic sulfate-forming contaminants. |
| Organic Volatile Impurities | GC-FID | Headspace or direct injection GC with flame ionization detection for residual solvents (e.g., toluene, xylene, acetone). |
| Acid Value | Acid-Base Titration | Titration with standardized KOH ethanol solution to quantify free phenolic OH groups expressed as mg KOH/g. |
| Bulk Density | Tap Density Measurement | Determination of mass per unit volume after controlled tapping of a known mass in a graduated cylinder per USP <616>. |
Technical Specifications of 2,2-Bis(4-hydroxy-3-methylphenyl)propane
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 158–162°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic phenolic odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of 2,2-Bis(4-hydroxy-3-methylphenyl)propane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2-Bis(4-hydroxy-3-methylphenyl)propane
Safety Information of 2,2-Bis(4-hydroxy-3-methylphenyl)propane
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,2-Bis(4-hydroxy-3-methylphenyl)propane
Industrial 2,2-Bis(4-hydroxy-3-methylphenyl)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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply