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8.18171 EMD Millipore

Trimethylsilyl cyanide

Trimethylsilyl cyanide for synthesis. CAS 7677-24-9, EC Number 231-657-3, chemical formula (CH₃)₃SiCN., for synthesis

  • CAS Number 7677-24-9

  • Linear Formula C₄H₉NSi

  • Molecular Weight 99.21 g/mol

  •  EC Number 231-657-3



packaging   10 ml in Glass btl. pl.coat. (8181710010)
  50 ml in Glass btl. pl.coat. (8181710050)
bp   114 - 117 °C
vapor pressure   51 hPa (20 °C)
density   0.79 g/cm3 (20 °C)
flash point   1 °C
autoignition temp.   410 °C
mp   11 °C
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Density (20/4 °C): 0.792 - 0.794
  Identity (IR): passes test
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2931 90 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled
H410: Very toxic to aquatic life with long lasting effects.
EUH029: Contact with water liberates toxic gas.
Precautionary Statement(s) 
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P240: Ground/bond container and receiving equipment.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Storage class 
3 Flammable liquids
WGK 3 highly water endangering
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Flammable  Flammable
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Very toxic  Very toxic
Declaration (railroad and road) ADR, RID 
UN 3383 , 6.1 (3), I
Declaration (transport by air) IATA-DGR 
UN 3383 , 6.1 (3),
Declaration (transport by sea) IMDG-Code 
UN 3383 , 6.1 (3), I
Categories of danger 
highly flammable, very toxic, dangerous for the environment
R Phrase 
R 11-26/27/28-29-50/53
Highly flammable.Very toxic by inhalation, in contact with skin and if swallowed.Contact with water liberates toxic gas.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 16-28-36/37-45-61
Keep away from sources of ignition - No smoking.After contact with skin, wash immediately with plenty of water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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