China Factory Direct
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| CAS number | 358-67-8 |
| Product name | 3,3,3-Trifluoropropylmethyldimethoxysilane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Organosilicon Materials | Used as a monomer or modifier for fluorosilicone oils and fluorosilicone rubbers to impart oil resistance, solvent resistance, and low surface energy | Copolymerized with octamethylcyclotetrasiloxane and other monomers; fluorosilicone elastomers or oil-like polymers are prepared via acid- or base-catalyzed ring-opening polymerization |
| Coatings and Surface Treatment | Used as a fluorosilane coupling agent for hydrophobic and oleophobic coatings on substrates such as glass and metals | Forms a Si–O–substrate bonding layer upon hydrolysis and condensation; surface enrichment of –CF₃ groups provides low surface energy |
| Electronic Encapsulation | Used as a precursor for fluorosilicone resins to enhance dielectric stability and weather resistance of encapsulation materials | Cohydrolyzed and condensed with phenylsilanes, followed by curing to form crosslinked fluorosilicone resin films |
| Medical Devices | Applied for fluorosilicone surface modification of medical catheters and infusion devices to reduce protein adsorption and thrombus formation risk | Plasma-assisted vapor deposition or dip-coating, followed by thermal curing to construct a bioinert surface layer |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area relative to calibration standards using flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Determines free acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Compares sample color intensity against APHA platinum-cobalt standard solutions or measures absorbance at 455 nm. |
| Density at 20 degC | Digital Density Meter (Oscillating U-tube principle) | Determines mass per unit volume based on resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index at 20 degC | Abbe Refractometer | Measures bending of light passing through sample at specified temperature to determine refractive index. |
| Residue on Evaporation | Gravimetric Analysis | Evaporates known sample mass under controlled conditions and weighs non-volatile residue. |
| Chloride Content | Ion Chromatography (IC) with conductivity detection | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after wet digestion | Quantifies total heavy metals after acid digestion by measuring atomic absorption of ground-state metal atoms in flame or graphite furnace. |
| Volatile Impurities Profile | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and semi-quantifies low-boiling impurities via retention time and mass spectral matching. |
| Viscosity at 25 degC | Rotational Viscometer | Measures resistance to flow under shear stress using rotating spindle in controlled temperature bath. |
| pH of Aqueous Solution (10% w/w) | pH Meter with Calibrated Electrode | Determines hydrogen ion activity in aqueous dispersion using glass electrode calibrated with standard buffer solutions. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.365–1.375 |
| Relative Density (20°C/25°C) | 1.12–1.14 g/cm³ |
| Odor | Characteristic mild odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.