MilliporeSigma
  • 270717
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270717

Supelco

Acetonitrile

HPLC grade, ≥99.93%

Synonym(s):
ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
PubChem Substance ID:

grade

HPLC grade

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.93%

form

liquid

autoignition temp.

973 °F

purified by

sub-micron filtration

expl. lim.

16 %

gradient analysis

≤0.005, 254nm

technique(s)

HPLC: suitable

impurities

<0.005% water

evapn. residue

<0.0002%

color

colorless

refractive index

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)
−48 °C

solubility

water: soluble (completely)

density

0.786 g/mL at 25 °C (lit.)

absorption

<0.005 mAU at 254 nm

λ

H2O reference

UV absorption

λ: 190 nm Amax: 1.00
λ: 200 nm Amax: 0.05
λ: 210 nm Amax: 0.03
λ: 220 nm Amax: 0.01
λ: 235-400 nm Amax: 0.005

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

35.6 °F - closed cup

Flash Point(C)

2.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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