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HS Code |
232167 |
| Chemical Name | Monomethyltrichlorosilane |
| Chemical Formula | CH3SiCl3 |
| Cas Number | 75-79-6 |
| Molecular Weight | 149.49 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 66.0 °C |
| Melting Point | -57.5 °C |
| Density | 1.298 g/cm³ at 20°C |
| Refractive Index | 1.410 at 20°C |
| Vapor Pressure | 146 mmHg at 25°C |
| Flash Point | -18 °C (closed cup) |
| Solubility In Water | Reacts violently |
| Odor | Pungent |
| Synonyms | Methyltrichlorosilane, Trichloromethylsilane |
| Stability | Hydrolyzes in presence of moisture |
As an accredited Monomethyltrichlorosilane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Monomethyltrichlorosilane is packaged in a 250 mL amber glass bottle with a secure PTFE-lined cap to ensure chemical stability. |
| Shipping | Monomethyltrichlorosilane ships as a hazardous material. It should be packed in airtight, corrosion-resistant containers, labeled according to UN 1243 (class 3, flammable liquid). Transport must comply with applicable regulations, ensuring protection from moisture and incompatible substances. Proper documentation, emergency procedures, and personal protective equipment are essential during handling and shipment. |
| Storage | Monomethyltrichlorosilane should be stored in a cool, dry, and well-ventilated area, away from moisture, heat, and incompatible substances such as strong oxidizers. Keep the container tightly closed and properly labeled. Use corrosion-resistant containers and avoid contact with air and water to prevent hydrolysis and release of toxic, corrosive gases. Store under inert gas if possible. |
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Purity 99%: Monomethyltrichlorosilane with purity 99% is used in semiconductor surface modification, where it enables highly uniform hydrophobic coatings. Boiling Point 66°C: Monomethyltrichlorosilane with boiling point 66°C is used in vapor phase deposition, where it promotes efficient silanization at controlled temperatures. Molecular Weight 149.48 g/mol: Monomethyltrichlorosilane with molecular weight 149.48 g/mol is used in organic synthesis, where it ensures consistent reactivity for functional group protection. Stability Temperature 35°C: Monomethyltrichlorosilane with stability temperature 35°C is used in glovebox chemical processing, where it minimizes hydrolysis and contamination risks. Density 1.29 g/cm³: Monomethyltrichlorosilane with density 1.29 g/cm³ is used in advanced optical materials manufacturing, where it improves material homogeneity and surface adhesion. Reactivity Grade High: Monomethyltrichlorosilane with high reactivity grade is used in siloxane polymer formation, where it enables rapid cross-linking and increased thermal stability. Particle Size <10 µm: Monomethyltrichlorosilane with particle size less than 10 µm is used in composite fabrication, where it provides enhanced dispersion and uniformity in matrix systems. |
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