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900644

Sigma-Aldrich

Acetonitrile

anhydrous, ZerO2®, 99.8%

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Synonym(s):
Acetonitrile ZerO2®, Degassed and low oxygen acetonitrile, ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
NACRES:
NA.21

grade

ZerO2®

Quality Level

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

Assay

99.8%

form

liquid

autoignition temp.

973 °F

quality

anhydrous

expl. lim.

16 %

impurities

≤0.001% water
water

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

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This Item
L010300AX0145271004
Acetonitrile anhydrous, ZerO2®, 99.8%

Sigma-Aldrich

900644

Acetonitrile

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Supelco

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Acetonitrile anhydrous, 99.8%

Sigma-Aldrich

271004

Acetonitrile

vapor density

1.41 (vs air)

vapor density

1.41 (vs air)

vapor density

1.41 (vs air)

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C), 97 hPa ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C)

assay

99.8%

assay

≥99.9% (GC)

assay

≥99.8% (GC)

assay

99.8%

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

973 °F

autoignition temp.

973 °F

autoignition temp.

973 °F

autoignition temp.

973 °F

Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

Legal Information

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

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


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