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Chlorotrimethylsilane

Product NameChlorotrimethylsilane

CAS75-77-4

MFC3H9ClSi

MW108.64

EINECS200-900-5

MOL File75-77-4.mol

Chemical Properties

Melting point −40 °C(lit.)
Boiling point 57 °C(lit.)
Density  0.857 g/mL at 25 °C
vapor density  3.7 (vs air)
vapor pressure  100 mm Hg ( 25 °C)
refractive index  n20/D 1.500
Flash point 104 °F
storage temp.  Store below +30°C.
solubility  Miscible with ether, benzene, diethylether and perchloroethylene.
form  Liquid
Specific Gravity 0.8536 (27℃)
color  Clear colorless
explosive limit 1.5-46%(V)
Water Solubility  REACTS
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive  Moisture Sensitive
BRN  1209232
Stability Stable. Highly flammable - note low flash point. Reacts violently with water. Incompatible with water, moisture, strong oxidizing agents, strong acids, strong bases, aldehydes, alcohols, amines, esters, ketones.
InChIKey IJOOHPMOJXWVHK-UHFFFAOYSA-N
CAS DataBase Reference 75-77-4(CAS DataBase Reference)
NIST Chemistry Reference Silane, chlorotrimethyl-(75-77-4)
EPA Substance Registry System Trimethylchlorosilane (75-77-4)

Safety Information

Hazard Codes  T,F,C,Xn
Risk Statements  20/21-36/38-34-21-14-11-37-35-19-40-10-67-20/21/22-52
Safety Statements  26-36/37/39-45-16-36/37-7/9
RIDADR  UN 2924 3/PG 2
WGK Germany  2
RTECS  VV2710000
10-21
Autoignition Temperature 752 °F
Hazard Note  Highly Flammable/Corrosive/Moisture Sensitive
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29310095
Hazardous Substances Data 75-77-4(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 4868 mg/kg LD50 dermal Rabbit 1530 mg/kg

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