1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18547-93-8 |
| Product name | 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane |
| 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 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Inhibitor for hydrosilylation reactions | Controls reaction rate by suppressing platinum catalyst activity in platinum-catalyzed hydrosilylation (e.g., addition-cure liquid silicone rubber and silicone rubber synthesis), preventing premature gelation and adjusting pot life. |
| Electronics Industry | Modifier for electronic encapsulants and adhesives | Added as an additive to addition-cure silicone encapsulants and sealants to improve storage stability, control cure time, and prevent product defects caused by excessively rapid reaction. |
| Polymer Materials | Processing aid for silicone rubber and resins | Used in the production of addition-cure silicone rubber and silicone resins to optimize processing performance and final physical–mechanical properties by regulating crosslink density and reaction rate. |
| Photovoltaic Industry | Encapsulation of solar cell modules | Serves as a key additive in the production of silicone sealants for photovoltaic modules, enabling precise control of the curing process to ensure uniformity of encapsulation materials and manufacturing efficiency. |
| Catalyst Manufacturing | Ligand for platinum catalysts | Employed in the preparation of high-activity, high-stability Karstedt’s catalyst systems to prevent premature deactivation prior to use. |
Manufacturing Quality Control of 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component peak area relative to calibration curve using internal or external standard. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between iodine, sulfur dioxide, and water in pyridine/methanol medium. |
| Acid Value | Acid-Base Titration with NaOH | Determines free acidic groups by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Viscosity | Capillary Viscometry | Measures kinematic viscosity by timing flow of sample through calibrated capillary tube under gravity at controlled temperature. |
| Refractive Index | Refractometry | Determines refractive index using light refraction at air-sample interface at specified wavelength and temperature. |
| Density | Digital Density Meter | Measures density based on oscillating U-tube principle with temperature-controlled sample. |
| Color | Hazen (APHA) Color Scale | Compares sample color visually or instrumentally against platinum-cobalt standard solutions. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile residue mass after high-temperature ashing and cooling in desiccator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization and absorption measurement at characteristic wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO3 | Detects chloride ions via silver nitrate titration with silver electrode endpoint detection. |
| Volatile Organic Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identifies and quantifies low-boiling impurities by thermal equilibration and mass spectral detection. |
| Refractive Index Temperature Coefficient | Refractometry at Multiple Temperatures | Calculates change in refractive index per degree Celsius using measurements at 20, 25, and 30 C. |
Technical Specifications of 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| Test Item | Specification |
|---|---|
| Appearance | Clear, colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.420–1.430 |
| Relative Density (20°C/25°C) | 0.92–0.94 g/cm³ |
| Odor | Characteristic mild organosilicon 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-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
Industrial 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane 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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