Dichlorosilane

Modify Date: 2024-01-07 18:00:39

Dichlorosilane Structure
Dichlorosilane structure
Common Name Dichlorosilane
CAS Number 4109-96-0 Molecular Weight 101.00700
Density 1,22 g/cm3 Boiling Point 8.3 °C(lit.)
Molecular Formula Cl2H2Si Melting Point −122 °C(lit.)
MSDS Chinese USA Flash Point -37°C
Symbol GHS02 GHS05 GHS06
GHS02, GHS05, GHS06
Signal Word Danger

 Names

Name dichlorosilicon
Synonym More Synonyms

 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

 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
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

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 Synonyms

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