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L010300

Sigma-Aldrich

Ultrapure Acetonitrile

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Synonym(s):
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

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

product line

Proligo Reagents

Assay

≥99.9% (GC)

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

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

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Sigma-Aldrich

34442

Acetonitrile

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), 97 hPa ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.9% (GC)

assay

≥99.9% (GC)

assay

≥99.5% (GC)

assay

≥99.9% (GC)

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

973 °F

autoignition temp.

973 °F

autoignition temp.

973 °F

autoignition temp.

973 °F

expl. lim.

16 %

expl. lim.

16 %

expl. lim.

16 %

expl. lim.

16 %

Other Notes

Wash solution, containing anhydrous acetonitrile (water content <30 ppm), is used as the overall wash solvent following each step in the synthesis cycle.

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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