n-Hexadecyltrichlorosilane
Pharmaceutical Materials 2025-03-02
CAS Number: 5894-60-0
Molecular Formula: C16H33Cl3Si
Molecular Weight: 359.88
Appearance: Colorless to yellow liquid
Melting Point: Above 20°C
Boiling Point: 520.4°C (or 202°C, varying by sources)
Density: About 1.59 g/cm³ (or 0.992 g/cm³, varying by sources)
Usage: Mainly used as an intermediate in silicon compounds.
| Attribute | Details |
|---|---|
| Chemical Name | n-Hexadecyltrichlorosilane |
| CAS Number | 5894-60-0 |
| Synonyms | Trichlorohexadecylsilane, Hexadecyltrichlorosilane, NSC 22328. DYNASYLAN 9016 |
| Molecular Formula | C16H33Cl3Si |
| Molecular Weight | 359.88 g/mol |
| Appearance | Colorless to almost colorless clear liquid |
| Density | 1.0±0.1 g/cm³ |
| Melting Point | Above 20°C |
| Boiling Point | 339.9±5.0°C at 760 mmHg |
| Flash Point | 170.1±12.3°C |
| Refractive Index | 1.461 |
| Solubility | Insoluble in water; soluble in some organic solvents |
| Chemical Properties | n-Hexadecyltrichlorosilane is an organosilicon compound with three chlorine atoms and a long-chain alkyl group attached to a silicon atom. It is moisture-sensitive and can react with water to release hydrochloric acid and hydrogen chloride gas. |
| Applications | Used as an intermediate in the synthesis of silicon compounds, surfactants, and other chemical products. It is also employed in the modification of materials such as glass, metals, and plastics to improve their surface properties. |
| Storage Conditions | Store in a cool, dry, well-ventilated area below 8°C. Keep away from heat, sparks, and incompatible materials. The packaging must be sealed and argon-filled to prevent moisture exposure. |
| Safety Precautions | n-Hexadecyltrichlorosilane is toxic, corrosive, and irritant to skin, eyes, and respiratory tract. Handle with caution and wear appropriate protective equipment. In case of exposure, seek medical attention immediately. Store in accordance with local regulations for hazardous chemicals. |
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