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360457 Sigma-Aldrich

Acetonitrile

ACS reagent, ≥99.5%

Synonym: ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide

  • CAS Number 75-05-8

  • Linear Formula CH3CN

  • Molecular Weight 41.05

  •  Beilstein/REAXYS Number 741857

  •  EC Number 200-835-2

  •  MDL number MFCD00001878

  •  eCl@ss 39031501

  •  PubChem Substance ID 329755257

  •  NACRES NA.21

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Properties

Related Categories ACS Grade, ACS Grade Solvents, ACS and Reagent Grade Solvents, Acetonitrile and Acetonitrile Solutions, Amber Glass Bottles,
Quality Level   200
grade   ACS reagent
vapor density   1.41 (vs air)
vapor pressure   72.8 mmHg ( 20 °C)
assay   ≥99.5%
form   liquid
autoignition temp.   973 °F
expl. lim.   16 %
impurities   ≤0.3% water
  ≤0.6 μeq/g Titr. base
  ≤8 μeq/g Titr. acid
evapn. residue   ≤0.005%
color   APHA: ≤10
refractive index   n20/D 1.344 (lit.)
bp   81-82 °C (lit.)
mp   −45 °C (lit.)
density   0.786 g/mL at 25 °C (lit.)
SMILES string   CC#N
InChI   1S/C2H3N/c1-2-3/h1H3
InChI key   WEVYAHXRMPXWCK-UHFFFAOYSA-N

Description

Packaging

1, 2.5, 4×4 L in glass bottle

18, 20, 200 L in steel drum

500 mL in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1648 3 / PGII
WGK Germany 
WGK 2
RTECS 
AL7700000
Flash Point(F) 
35.6 °F - closed cup
Flash Point(C) 
2.0 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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