2487-90-3

Name Trimethoxysilane
CAS 2487-90-3
EINECS(EC#) 219-637-2
Molecular Formula C3H10O3Si
MDL Number MFCD00008340
Molecular Weight 122.2
MOL File 2487-90-3.mol
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Chemical Properties

Appearance Colorless clear liquid
Melting point  −115 °C(lit.)
Boiling point  81 °C(lit.)
density  0.96 g/mL at 25 °C(lit.)
vapor density  >1 (vs air)
vapor pressure  <7.2 mm Hg ( 20 °C)
refractive index  n20/D 1.358(lit.)
Fp  24 °F
storage temp.  Flammables area
solubility  Chloroform (Sparingly), Methanol (Sparingly)
form  liquid
Specific Gravity 0.860
Stability: May decompose upon exposure to air or water. Incompatible with strong oxidizing agents, strong bases, strong acids.
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  1697990
InChIKey YUYCVXFAYWRXLS-UHFFFAOYSA-N
CAS DataBase Reference 2487-90-3(CAS DataBase Reference)
EPA Substance Registry System 2487-90-3(EPA Substance)

Safety Data

Symbol(GHS)  Flame (GHS02)Skull and Crossbones (GHS06)
GHS02,GHS06
Signal word  Danger
Hazard statements  H225-H319-H330
Precautionary statements  P210-P304+P340+P310-P305+P351+P338
Hazard Codes  F,T+
Risk Statements 
R11:Highly Flammable.
R26:Very Toxic by inhalation.
R36:Irritating to the eyes.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3384 6.1/PG 1
WGK Germany  3
RTECS  VV6750000
F  10
TSCA  Yes
REACH Registrations Active
HazardClass  6.1(a)
PackingGroup  I
HS Code  29319090
Safety Profile
Moderately toxic by inhalation. Mildly toxic by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data 2487-90-3(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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