1118-02-1

Name TRIMETHYLSILYL ISOCYANATE
CAS 1118-02-1
EINECS(EC#) 214-256-8
Molecular Formula C4H9NOSi
MDL Number MFCD00001993
Molecular Weight 115.21
MOL File 1118-02-1.mol

Chemical Properties

Appearance Clear colorless liquid
Melting point  -49°C
Boiling point  90-92 °C(lit.)
density  0.851 g/mL at 25 °C(lit.)
refractive index  n20/D 1.396(lit.)
Fp  -2 °C
storage temp.  2-8°C
solubility  Miscible with ethers and o-dichlorobenzene.
form  clear liquid
color  Colorless to Almost colorless
Specific Gravity 0.867
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive  Moisture Sensitive
BRN  1744962
InChI 1S/C4H9NOSi/c1-7(2,3)5-4-6/h1-3H3
InChIKey NIZHERJWXFHGGU-UHFFFAOYSA-N
SMILES C[Si](C)(C)N=C=O
CAS DataBase Reference 1118-02-1(CAS DataBase Reference)
EPA Substance Registry System Isocyanatotrimethylsilane (1118-02-1)

Safety Data

Symbol(GHS)  Flame (GHS02)Skull and Crossbones (GHS06)Health Hazard (GHS08)
GHS02,GHS06,GHS08
Signal word  Danger
Hazard statements  H225-H317-H319-H331-H334-H335
Precautionary statements  P210-P233-P280-P303+P361+P353-P304+P340+P311-P305+P351+P338
Hazard Codes  F,T
Risk Statements 
R11:Highly Flammable.
R23:Toxic by inhalation.
R36/37:Irritating to eyes and respiratory system .
R42:May cause sensitization by inhalation.
Safety Statements 
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
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 2478 3/PG 2
WGK Germany  3
10-19-21
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29319090
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 3 Inhalation
Eye Irrit. 2
Flam. Liq. 2
Resp. Sens. 1
Skin Sens. 1
STOT SE 3

Hazard Information

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