Tetrachlorosilane

Modify Date: 2025-08-21 08:12:23

Tetrachlorosilane Structure
Tetrachlorosilane structure
 Common Name Tetrachlorosilane
CAS Number 10026-04-7 Molecular Weight 169.898
Density 1.5±0.1 g/cm3 Boiling Point 57.6±9.0 °C at 760 mmHg
Molecular Formula Cl4Si Melting Point −70 °C(lit.)
MSDS Chinese USA Flash Point 57.6°C
Symbol GHS05 GHS06
GHS05, GHS06		 Signal Word Danger

 Names

Name Tetrachlorosilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 57.6±9.0 °C at 760 mmHg
Melting Point −70 °C(lit.)
Molecular Formula Cl4Si
Molecular Weight 169.898
Flash Point 57.6°C
Exact Mass 167.852341
LogP 5.20
Vapour density 5.86 (vs air)
Vapour Pressure 229.7±0.1 mmHg at 25°C
Index of Refraction 1.462
Stability Stability Moisture sensitive - reacts violently with water. Incompatible with water, acids, bases, alcohols, alkali metals, organics, powdered metals.
Water Solubility reacts

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VW0525000
CHEMICAL NAME :
Silicon chloride
CAS REGISTRY NUMBER :
10026-04-7
LAST UPDATED :
199710
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
Cl4-Si
MOLECULAR WEIGHT :
169.89
WISWESSER LINE NOTATION :
SI G4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,14,1972
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,14,1972 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8000 ppm/4H
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: 31,343,1949
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
15 gm/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USKHAB Uspekhi Khimii. Progress in Chemistry. For English translation, see RCRVAB. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1932- Volume(issue)/page/year: 38,2173,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84446 No. of Facilities: 33 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 446 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84446 No. of Facilities: 29 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 2478 (estimated) No. of Female Employees: 341 (estimated)

 Safety Information

Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H301 + H331-H314-H335
Supplemental HS Reacts violently with water.
Precautionary Statements P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P233
Target Organs Blood, Central nervous system, Liver
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US)
Hazard Codes Xi:Irritant;
Risk Phrases R14;R36/37/38
Safety Phrases S26-S7/8-S45-S36/37/39-S28-S27
RIDADR UN 3264 8/PG 2
WGK Germany 1
RTECS VW0525000
Packaging Group II
Hazard Class 8
HS Code 2827399000

 Synthetic Route

 Customs

HS Code 2827399000

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 Synonyms

Dinitride disilicon oxide
SAMARIUM, FOIL
SILICON TETRACHLORIDE FOR SYNTHESIS
silicon oxynitrile
SILANE, TETRACHLORO-
TETRACHLORO SILANE
silicon tetrachloride
MFCD00011229
(1303) SILICON CHLORIDE
tetra-chlorosilane
SILICON TETRACHLORIDE, REAGENT (50 ML )
SILICON(IV) CHLORIDE
EINECS 233-054-0
SILICIUMTETRACHLORID, EXTRA PURE
silicon chloride
MIXTUREOF86%DICHLORODIMETHYLSILANEAND14%SILICON(IV)CHLORIDE
Perchlorosilane
Silicon oxynitride
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