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34921 Sigma-Aldrich

Acetonitrile

≥99.9% (GC)

Synonym: ACN, Methyl cyanide

  • CAS Number 75-05-8

  • Linear Formula CH3CN

  • Molecular Weight 41.05

  •  Beilstein Registry Number 741857

  •  EC Number 200-835-2

  •  MDL number MFCD00001878

Purchase

Properties

vapor density   1.41 (vs air)
vapor pressure   72.8 mmHg ( 20 °C)
InChI Key   WEVYAHXRMPXWCK-UHFFFAOYSA-N
assay   ≥99.9% (GC)
autoignition temp.   973 °F
expl. lim.   16 %
impurities   ≤0.0005% non-volatile matter
  ≤0.001% free acid (as CH3COOH)
  ≤0.01% water (Karl Fischer)
  ≤1 ppb fluorescence (quinine) at 254 nm
  ≤1 ppb fluorescence (quinine) at 365 nm
transmittance   200 nm, ≥80%
  210 nm, ≥90%
  230 nm, ≥98%
refractive index   n20/D 1.344(lit.)
bp   81-82 °C(lit.)
mp   −48 °C (lit.)
density   0.786 g/mL at 25 °C(lit.)
suitability   passes test for IR spectroscopy
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1648 3 / PGII
WGK Germany 
2
RTECS 
AL7700000
Flash Point(F) 
35.6 °F
Flash Point(C) 
2 °C
Protocols & Articles

Articles

radiello® Diffusive Air Sampling Applications - Aldehydes

Blue diffusive body Product No. RAD1201 Supporting plate Product No. RAD121 Vertical adapter Product No. RAD122 (optional) Chemiadsorbing cartridge Product No. RAD165 Filtration kit Product No. RAD17...
Keywords: Filtration, Gene expression, High performance liquid chromatography, Ozonolysis, PAGE, Sample preparations, Spectroscopy

Peer-Reviewed Papers
15

References

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