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Dichlorodimethylsilane

Product NameDichlorodimethylsilane

CAS75-78-5

MFC2H6Cl2Si

MW129.06

EINECS200-901-0

MOL File75-78-5.mol

Chemical Properties

Melting point -76 °C
Boiling point 70 °C(lit.)
Density  1.333 g/mL at 20 °C
vapor pressure  <200 hPa (20 °C)
refractive index  n20/D 1.500
Flash point 3 °F
storage temp.  Store below +30°C.
solubility  sol chlorinated solvents and ethereal solvents; reacts with protic solvents.
form  liquid
Specific Gravity 1.0637
color  colorless
explosive limit 1.75-48.5%(V)
Water Solubility  reacts
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive  Moisture Sensitive
BRN  605287
Stability Stable. Reacts violently with water and alcohols. Highly flammable. Incompatible with strong oxidizing agents, water, alcohols, caustics, ammonia.
CAS DataBase Reference 75-78-5(CAS DataBase Reference)
NIST Chemistry Reference Silane, dichlorodimethyl-(75-78-5)
EPA Substance Registry System Dimethyldichlorosilane (75-78-5)

Safety Information

Hazard Codes  Xn,Xi,F,N,C
Risk Statements  20-59-36/37/38-11-67-65-63-48/20-38-20/21-50/53-37-35-20/22-14-34
Safety Statements  60-61-62-36/37-59-45-36/37/39-26-16-7/9-2
RIDADR  UN 2924 3/PG 2
WGK Germany  3
RTECS  VV3150000
3-10-19-21
Autoignition Temperature 425 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29310095
Hazardous Substances Data 75-78-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 6056 mg/kg

MSDS

Usage And Synthesis

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