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34442

Sigma-Aldrich

Acetonitrile

suitable for DNA synthesis, ≥99.9% (GC)

All Photos(1)
Synonym(s):
Cyanomethane, Methyl cyanide, ACN, Ethyl nitrile
Linear Formula:
CH3CN
CAS Number:
75-05-8
Molecular Weight:
41.05
Beilstein/REAXYS Number:
741857
EC Number:
200-835-2
MDL number:
MFCD00001878
eCl@ss:
39031501
PubChem Substance ID:
329754743
NACRES:
NA.03

Quality Level

100

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.9% (GC)

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

application(s)

DNA synthesis: suitable
cDNA synthesis: suitable

impurities

≤0.0001% free alkali (as NH3)
≤0.001% free acid (as CH3COOH)
≤0.001% water (Karl Fischer)

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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Other Notes

The article number 34442-4X2.5L will be discontinued. Please order the single bottle 34442-2.5L which is physically identical with the same exact specifications.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

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

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