Dodecyltrichlorosilane
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 4484-72-4
Molecular Formula: C12H25Cl3Si
Molecular Weight: 303.77
Appearance: Colorless to yellowish transparent liquid
Density: About 1.0 g/cm³
Boiling Point: 289.1°C
Flash Point: 141.1°C
Usage: Used as an intermediate in organic synthesis and as a waterproofing agent.
| Attribute | Details |
|---|---|
| Chemical Name | Dodecyltrichlorosilane |
| CAS Number | 14802-48-9 |
| Synonyms | Trichlorododecylsilane, Lauryltrichlorosilane, Dodecylsilane trichloride |
| Molecular Formula | C12H25Cl3Si |
| Molecular Weight | 307.77 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Density | ~1.04 g/mL at 25°C |
| Melting Point | < -20°C |
| Boiling Point | ~295°C (decomposition may occur) |
| Flash Point | ~100°C (closed cup) |
| Refractive Index | ~1.454 |
| Solubility | Insoluble in water; soluble in organic solvents such as toluene, hexane, and ethers |
| Chemical Properties | Dodecyltrichlorosilane is an organosilicon compound characterized by a trichlorosilyl group attached to a dodecyl (lauryl) chain. It is reactive towards nucleophiles, particularly hydroxyl groups, and is moisture-sensitive, releasing HCl upon hydrolysis. |
| Applications | Used as a coupling agent and surface modifier in the production of silicone-based polymers, paints, coatings, and adhesives. It also finds application in the modification of surfaces, such as glass, metals, and plastics, to enhance their wettability, adhesion, and durability. |
| Storage Conditions | Store in a cool, dry, well-ventilated area away from heat, sparks, and incompatible materials. Keep the container tightly closed and protected from light. Store under argon or nitrogen to prevent moisture contamination. |
| Safety Precautions | Dodecyltrichlorosilane is toxic, corrosive, and irritant to skin, eyes, and respiratory tract. Handle with caution and wear appropriate protective clothing, gloves, and eye/face protection. In case of exposure, immediately wash skin and eyes with plenty of water and seek medical attention. Store in accordance with local regulations for hazardous chemicals. |
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