Dichlorosilane

Names

[ Name ]:
Dichlorosilane

[Synonym ]:
dichlordisilane
SiCl2
dihydridodichlorosilane
MFCD00011600
dichloro-silane
Silane,dichloro
dichloromonosilane
bis chlorosilane
EINECS 223-888-3
Silicon chloride hydride
dihydrogendichlorosilane

Chemical & Physical Properties

[ Density]:
1,22 g/cm3

[ Boiling Point ]:
8.3 °C(lit.)

[ Melting Point ]:
−122 °C(lit.)

[ Molecular Formula ]:
Cl₂H₂Si

[ Molecular Weight ]:
101.00700

[ Flash Point ]:
-37°C

[ Exact Mass ]:
99.93030

[ LogP ]:
0.46280

[ Vapour density ]:
3.5 (vs air)

[ Vapour Pressure ]:
1254 mm Hg ( 20 °C)

[ Stability ]:
Stable. Extremely flammable; note very wide explosion limits. Reacts violently with water, alcohols, strong oxidizing agents, bases.

[ Water Solubility ]:
decomposes

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VV3050000

CHEMICAL NAME :: Silane, dichloro-

CAS REGISTRY NUMBER :: 4109-96-0

LAST UPDATED :: 199712

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: Cl2-H2-Si

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 215 ppm

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - acute pulmonary edema Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 18,394,1993

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 144 ppm/4H

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

REFERENCE :: ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 70,218,1996 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 32 ppm/6H/4W-I

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 70,218,1996 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3138 No. of Facilities: 33 (estimated) No. of Industries: 5 No. of Occupations: 13 No. of Employees: 5098 (estimated) No. of Female Employees: 2306 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS05, GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H220-H280-H314-H331

[ Supplemental HS ]:
Reacts violently with water.

[ Precautionary Statements ]:
P210-P261-P280-P305 + P351 + P338-P310-P410 + P403

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

[ Hazard Codes ]:
F+: Highly flammable;T: Toxic;

[ Risk Phrases ]:
R12;R14;R23;R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 2189 2.3

[ WGK Germany ]:
1

[ RTECS ]:
VV3050000

[ Hazard Class ]:
2.3

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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