CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Trichlorosilane appears as a colorless fuming liquid with a pungent odor. Flash point 7 °F. Vapor and liquid cause burns. More dense than water. Vapors are heavier than air. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | ACRID ODOR |
| Boiling Point | 90 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -197 °F (USCG, 1999) |
| Flash Point | greater than -58 °F (USCG, 1999) |
| Solubility | Sol in benzene, carbon disulfide, chloroform, carbon tetrachloride |
| Density | 1.344 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 4.67 (AIR= 1) |
| Vapor Pressure | 594.0 [mmHg] |
| Stability/Shelf Life | Volitile, moblie liquid. Fumes in air. |
| Autoignition Temperature | 220 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits toxic fumes of /hydrogen chloride/. |
| Viscosity | 0.397 centipoise at 0 °C; 0.332 centipoise at 20 °C; 0.316 centipoise at 25 °C |
| Corrosivity | Corrodes metal after reacting with moisture to form hydrochloric acid |
| Heat of Vaporization | 85 BTU/lb= 47 Cal/g= 2.0X10+5 J/kg |
| Refractive Index | Index of refraction: 1.4020 at 20 °C/D; 1.3983 at 25 °C/D |
| Other Experimental Properties | Dipole moment: 0.97 |
| Chemical Classes | Toxic Gases & Vapors -> Chlorosilanes |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H224:Flammable liquids H250:Pyrophoric liquids; Pyrorophoric solids H302:Acute toxicity,oral H314:Skin corrosion/irritation H331:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. |
COMPUTED DESCRIPTORS
| Molecular Weight | 135.45 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 133.891310 g/mol |
| Monoisotopic Mass | 133.891310 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 8 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Trichlorosilane appears as a colorless fuming liquid with a pungent odor. Flash point 7 °F. Vapor and liquid cause burns. More dense than water. Vapors are heavier than air.