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Key Documents

L010100

Sigma-Aldrich

Acetonitrile

Synonym(s):

ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide

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About This Item

Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
UNSPSC Code:
12191502
PubChem Substance ID:
NACRES:
NA.03

Pricing and availability is not currently available.

vapor density

1.41 (vs air)

Quality Level

vapor pressure

72.8 mmHg ( 20 °C)

type

for DNA synthesis

Assay

≥99.9% (GC)

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

storage condition

dry at room temperature

impurities

≤10 ppm water content (Karl Fischer)

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1 of 4

This Item
L010000L110000L010002
solubility

water: soluble (completely)

solubility

-

solubility

water: soluble (completely)

solubility

water: soluble (completely)

form

liquid

form

liquid

form

liquid

form

liquid

vapor pressure

72.8 mmHg ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C)

vapor pressure

72.8 mmHg ( 20 °C)

density

0.786 g/mL at 25 °C (lit.)

density

0.786 g/mL at 25 °C (lit.)

density

0.786 g/mL at 25 °C (lit.)

density

0.786 g/mL at 25 °C (lit.)

impurities

≤10 ppm water content (Karl Fischer)

impurities

≤30 ppm water content (Karl Fischer)

impurities

≤30 ppm water content (Karl Fischer)

impurities

≤30 ppm water content (Karl Fischer)

Other Notes

Wash solution, containing anhydrous acetonitrile (water content <10 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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