Trichlorosilane

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Names

[ Name ]:
Trichlorosilane

[Synonym ]:
trichlorohydrosilane
Trichlorosilane
UNII-QZY2645L6V
Silicochloroform
Silane,trichloro
trichlorosilyl hydride
tri-chlorosilane
silici-chloroforme
silanea-19
EINECS 233-042-5
siliciumchloroform
silane, trichloro
MFCD00011518
Silane, trichloro-
trichlorsilan
triclorosilano
trichloro-silan
trichloorsilaan

Chemical & Physical Properties

[ Density]:
1.342 g/mL at 25 °C(lit.)

[ Boiling Point ]:
31.8±9.0 °C at 760 mmHg

[ Melting Point ]:
-127 °C

[ Molecular Formula ]:
Cl₃HSi

[ Molecular Weight ]:
135.452

[ Flash Point ]:
7 °F

[ Exact Mass ]:
133.891312

[ LogP ]:
4.77

[ Vapour density ]:
1 (vs air)

[ Vapour Pressure ]:
595.7±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.4-1.402

[ Stability ]:
Stable, but extremely flammable. Pyrophoric - spontaneously ignites in air. Explosion hazard in air - note wide explosion limits. Reacts violently with water. Incompatible with moisture, acids, bases, strong oxidizing agents, alcohols, amines.

[ Water Solubility ]:
decomposes

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VV5950000

CHEMICAL NAME :: Silane, trichloro-

CAS REGISTRY NUMBER :: 10025-78-2

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: Cl3-H-Si

MOLECULAR WEIGHT :: 135.45

WISWESSER LINE NOTATION :: G-SI-HGG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1030 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,60,1949

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 2/21/1979

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1500 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,114,1982

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 1 gm/m3

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - acute pulmonary edema Liver - fatty liver degeneration Blood - other changes

REFERENCE :: TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 3,81,1961 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3556 No. of Facilities: 23 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 2201 (estimated) No. of Female Employees: 267 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H224-H250-H302 + H332-H314

[ Supplemental HS ]:
Contact with water liberates toxic gas., Reacts violently with water.

[ Precautionary Statements ]:
P210-P280-P303 + P361 + P353-P305 + P351 + P338-P370 + P378-P422

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US)

[ Hazard Codes ]:
F+:Highlyflammable;C:Corrosive;

[ Risk Phrases ]:
R12;R14;R17;R20/22;R29;R35

[ Safety Phrases ]:
S16-S26-S36/37/39-S43-S45-S7/9-S43A

[ RIDADR ]:
UN 1295 4.3/PG 1

[ WGK Germany ]:
1

[ RTECS ]:
VV5950000

[ Packaging Group ]:
I

[ Hazard Class ]:
4.3

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Tetrachlorosilane
Trichloro(ethyl)silane
Trichloropropylsilane
Methyltrichlorosilane
Silicon
Hydrogen
Hydrochloric acid
ALLYL CHLORIDE
methyl dichlorosilane
dimethyl ether

DownStream

triallylsilane
lithium,trichlorosilanide
Octachloro Trisiloxane
heptachlorotrisiloxane
Hexachlorodisiloxane
trichloro(dichlorosilyloxy)silane
Hydrochloric acid
Tetrachlorosilane
HYDROFLUORIC ACID
dichloro(difluoro)silane

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