2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 24038-68-4 |
| Product name | 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)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(2-HYDROXY-5-BIPHENYLYL)PROPANE
| Industry | Application | Process |
|---|---|---|
| Rubber and Plastics Industry | Antioxidant and anti-degradant for aromatic and chlorinated solvents | Added as an antioxidant to rubber and latex products to prevent thermal, oxidative, and photo-oxidative aging |
| Rubber and Plastics Industry | Polymerization terminator for synthetic rubbers such as styrene-butadiene rubber (SBR) and chloroprene rubber (CR) | Added during synthetic rubber polymerization to terminate the reaction and control molecular weight and distribution |
| Rubber and Plastics Industry | Thermo-sensitive agent for nitrile rubber (NBR) and latex | Applied in latex dip molding processes, where its temperature sensitivity enables latex coagulation and shaping at a defined temperature |
| Chemical Industry | Intermediate for antioxidants | Used as a raw material in the synthesis of other polymeric antioxidants |
| Chemical Industry | Intermediate for dyes | Employed in the chemical synthesis of specific dye molecules |
Manufacturing Quality Control of 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 275 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the stoichiometric reaction of iodine with water in a methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750 C in a platinum crucible and measuring non-volatile inorganic residue by weight difference. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy quantifying total heavy metals after acid digestion, calibrated with lead standards. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition temperature using calibrated capillary tube method per USP <741>. |
| Color (APHA) | Visual Comparison or Spectrophotometric Method | Comparison of sample solution color against APHA platinum-cobalt standards or measurement of absorbance at 430 nm. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide ethanol solution using phenolphthalein indicator. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents and volatile organics using gas chromatography with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using light scattering principles to determine volume-based particle size distribution. |
| Sulfated Ash | Gravimetric Analysis | Sample carbonized and ashed at 750 C after treatment with sulfuric acid; residue weighed as sulfate-combined inorganic content. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution of known concentration and path length. |
Technical Specifications of 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 162–166°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic, mild |
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(2-HYDROXY-5-BIPHENYLYL)PROPANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE
Safety Information of 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)PROPANE
Industrial 2,2-BIS(2-HYDROXY-5-BIPHENYLYL)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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