110086

Sigma-Aldrich

Acetonitrile

ReagentPlus®, 99%

Synonym(s):
Cyanomethane, Methyl cyanide, ACN, Ethyl nitrile
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein/REAXYS Number:
741857
EC Number:
MDL number:
eCl@ss:
39031501
PubChem Substance ID:
NACRES:
NA.03

Quality Level

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

product line

ReagentPlus®

assay

99%

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

application(s)

UV/Vis spectroscopy: suitable

refractive index

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

solubility

organic solvents: soluble(lit.)
water: soluble(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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General description

Acetonitrile (MeCN) is a colorless aliphatic nitrile having an ether-like odor. It readily undergoes electrophilic substitution reactions. It is formed during the industrial preparation of acrylonitrile. It is widely employed as a solvent in various studies and has high dielectric constant (37.5). Various purification procedures to obtain different grades of acetonitrile for use in different studies (polarography, spectroscopy, etc.) have been reported by many researchers.

Packaging

1, 4 L in poly bottle

Legal Information

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

Pictograms

FlameExclamation mark

Signal Word

Danger

hazcat

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 Germany

WGK 2

Flash Point(F)

35.6 °F - closed cup

Flash Point(C)

2.0 °C - closed cup

Certificate of Analysis

Certificate of Origin

Eagleson M.
Concise Encyclopedia Chemistry, 6-6 (1994)
Purification of acetonitrile.
Walter M and Ramaley L.
Analytical Chemistry, 45(1), 165-166 (1973)
Timo Glatter et al.
Molecular systems biology, 5, 237-237 (2009-01-22)
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