4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 85954-11-6 |
| Product name | 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic 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 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
| Industry | Application | Process |
|---|---|---|
| Electronics Industry | Epoxy Resin Manufacturing | Used as a crosslinking agent or curing agent in the production of high-performance epoxy resins to enhance thermal resistance and mechanical properties |
| Composites | Enhancing Composite Performance | Applied to improve the strength and chemical resistance of epoxy-based composites, widely used in aerospace and automotive industries |
| Coatings Industry | Formulating High-Performance Coatings | Employed as a curing agent for epoxy coatings to improve abrasion resistance and chemical resistance |
| Optical Materials | Producing Optical-Grade Epoxy Resins | Added during the manufacture of high-transparency, low-shrinkage optical-grade epoxy resins for encapsulation and bonding of optical components |
| Semiconductor Industry | Encapsulation Material | Used for semiconductor device encapsulation to provide excellent electrical insulation and thermal stability |
Manufacturing Quality Control of 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions. |
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Epoxy Equivalent Weight (EEW) | Acid-Base Titration | Determination via hydrolysis of epoxy groups with HBr in acetic acid followed by back-titration with KOH. |
| Viscosity | Rotational Viscometry | Measurement of resistance to flow under defined shear rate and temperature using a calibrated spindle viscometer. |
| Color (APHA) | Colorimetry (APHA scale) | Comparison of sample color intensity against platinum-cobalt standard solutions using spectrophotometric or visual matching. |
| Moisture Content | Karl Fischer Titration | Electrochemical quantification of water content based on iodine-sulfur dioxide reaction in methanol-pyridine medium. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic impurities after high-temperature ashing and weighing of residual ash. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection of trace metals after acid digestion, based on element-specific atomic emission intensities. |
| Total Volatile Organic Compounds (TVOC) | Gas Chromatography (GC-FID) | Separation and quantification of volatile impurities using capillary column and flame ionization detection. |
| Acid Number | Potentiometric Titration | Determination of free carboxylic acid content by titration with standardized KOH solution using pH endpoint detection. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface at specified temperature to assess purity and composition. |
Technical Specifications of 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow viscous liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | <=0.3 |
| Refractive Index (n20/D) | 1.545–1.555 |
| Relative Density (20°C/25°C) | 1.12–1.16 g/cm³ |
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 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
Industrial 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl 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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