1,3-DICHLOROTETRAPHENYLDISILOXANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7756-87-8 |
| Product name | 1,3-DICHLOROTETRAPHENYLDISILOXANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent GradeIndustrial 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 1,3-DICHLOROTETRAPHENYLDISILOXANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-DICHLOROTETRAPHENYLDISILOXANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-DICHLOROTETRAPHENYLDISILOXANE
| Industry | Application | Process |
|---|---|---|
| Specialty Silicone Rubber | Additive, structural modifier | Mixing and curing |
| Silicone Oil and Silicone Resin | Capping agent, chain extender | Condensation polymerization |
| Organic Synthesis | Silylation protecting agent, intermediate | Chemical synthesis |
| Chemical Analysis | Derivatization reagent | Gas chromatography derivatization |
Manufacturing Quality Control of 1,3-DICHLOROTETRAPHENYLDISILOXANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., mono-chloro, tri-chloro, and hydrolysis by-products) using gradient HPLC-UV with relative response factor correction. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify common solvents (e.g., toluene, chlorobenzene) based on external calibration. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generated electrochemically to react stoichiometrically with water in the sample. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode to detect endpoint via potential change upon AgCl precipitation. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification after acid digestion using inductively coupled plasma mass spectrometry with isotope dilution for highest sensitivity. |
| Iron Content | AAS | Atomic absorption spectroscopy at characteristic wavelength (248.3 nm) following sample digestion and matrix-matched calibration. |
| Appearance | Visual Inspection | Comparison of sample solution (in toluene or chloroform) against water-white standard under controlled lighting and against white background. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Loss on Drying | Gravimetric Analysis | Weight loss measured after drying sample at 105 C for 2 hours under vacuum, expressed as percentage of initial mass. |
| Acid Value | Acid-Base Titration | Titration with standardized potassium hydroxide ethanol solution using phenolphthalein indicator; measures free acidic impurities. |
| Residue on Ignition | Sulfated Ash Gravimetry | Ignition of sample at 700–750 C after sulfuric acid treatment; residue weighed as inorganic ash content. |
Technical Specifications of 1,3-DICHLOROTETRAPHENYLDISILOXANE
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 142-146°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Odor | Characteristic, faint chlorinated odor |
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 1,3-DICHLOROTETRAPHENYLDISILOXANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 1,3-DICHLOROTETRAPHENYLDISILOXANE
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,3-DICHLOROTETRAPHENYLDISILOXANE
Industrial 1,3-DICHLOROTETRAPHENYLDISILOXANE 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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