Merck
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733466

Sigma-Aldrich

Acetonitrilo

electronic grade, 99.999% trace metals basis

Synonym(s):
ACN, Cianometano, Cianuro de metilo, Nitrilo de etilo
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

battery grade
electronic grade

Quality Level

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

Assay

99.999% trace metals basis

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

impurities

≤0.05% water
water

color

colorless

refractive index

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

solubility

water: soluble (completely)

density

0.786 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

format

neat

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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43755734851360457
Acetonitrile electronic grade, 99.999% trace metals basis

Sigma-Aldrich

733466

Acetonitrile

Acetonitrile ≥99.5%, ACS reagent

Sigma-Aldrich

437557

Acetonitrile

Acetonitrile suitable for HPLC, gradient grade, ≥99.9%

Sigma-Aldrich

34851

Acetonitrile

Acetonitrile ACS reagent, ≥99.5%

Sigma-Aldrich

360457

Acetonitrile

grade

battery grade, electronic grade

grade

ACS reagent

grade

gradient grade

grade

ACS reagent

assay

99.999% trace metals basis

assay

≥99.5%

assay

≥99.9%

assay

≥99.5%

form

liquid

form

liquid

form

liquid

form

liquid

impurities

≤0.05% water
water

impurities

≤0.3% water, ≤0.6 μeq/g Titr. base, ≤8 μeq/g Titr. acid

impurities

≤0.0002% free alkali (as NH3), ≤0.0005% non-volatile matter, ≤0.001% free acid (as CH3COOH), ≤0.02% water (Karl Fischer), ≤0.5 ppb fluorescence (quinine) at 365 nm, ≤1 ppb fluorescence (quinine) at 254 nm

impurities

≤0.3% water, ≤0.6 μeq/g Titr. base, ≤8 μeq/g Titr. acid

bp

81-82 °C (lit.)

bp

81-82 °C (lit.)

bp

81-82 °C (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

mp

−45 °C (lit.)

mp

−45 °C (lit.)

mp

−45 °C (lit.)

General description

The structure of acetonitrile was determined by gas electron diffraction.

Application

Acetonitrile is a high purity solvent used in electrical applications and in the synthesis of high-purity materials.

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

Flash Point(C)

2 °C


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