vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

Assay

≥99.8% (GC)

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

technique(s)

HPLC-GC: suitable
HPLC: suitable

impurities

≤0.0005% non-volatile matter
≤0.001% free acid (as CH₃COOH)
≤0.1% water (Karl Fischer)

transmittance

200 nm, ≥50%
220 nm, ≥90%
240 nm, ≥99%

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.)

format

neat

SMILES string

CC#N

InChI

1S/C2H3N/c1-2-3/h1H3

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N