| Identification | More | [Name]
TRIMETHYLSILYL ISOCYANATE | [CAS]
1118-02-1 | [Synonyms]
ISOCYANATOTRIMETHYLSILANE
TRIMETHYLSILYL ISOCYANATE
isocyanatotrimethyl-silan
Isocyanic acid, trimethylsilyl ester
Trimethylisocyanatosilane
trimethylsilanylisocyanate
TRIMETHYLSILYL ISOCYANATE, STAB.
TRIMETHYLSILYLISOCYANATE ,75% | [EINECS(EC#)]
214-256-8 | [Molecular Formula]
C4H9NOSi | [MDL Number]
MFCD00001993 | [Molecular Weight]
115.21 | [MOL File]
1118-02-1.mol |
| Chemical Properties | Back Directory | [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. | [Specific Gravity]
0.867 | [Hydrolytic Sensitivity]
8: reacts rapidly with moisture, water, protic solvents | [Sensitive ]
Moisture Sensitive | [BRN ]
1744962 | [CAS DataBase Reference]
1118-02-1(CAS DataBase Reference) | [EPA Substance Registry System]
Isocyanatotrimethylsilane (1118-02-1) |
| Safety Data | Back Directory | [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
| [F ]
10-19-21 | [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
29319090 |
| Hazard Information | Back Directory | [Chemical Properties]
Clear colorless liquid | [Uses]
Trimethylsilyl isocyanate is used in the preparation of 1-unsubstituted 4-(dialkylamino) imidazolin-2-ones. It finds application in the carbamoylation of aromatic hydrocarbons and alcohols. It is also used in the preparation of primary amides from Grignard reagents. Further, it is used in the synthesis of cyclic imides. It is also utilized for the synthesis of trifluoroacetyl isocyanate and cyclic imides. In addition to this, it is employed in the conversion of isocyanates to carbodiimides using cyclopentadienyl Mn(CO)3 catalysis. | [Purification Methods]
Purify it by repeated fractionation as for the isothiocyanate. [Eaborn J Chem Soc 3077 1950, Beilstein 4 III 1861, 4 IV 4011.] |
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