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Safety Information

L010080

Sigma-Aldrich

Acetonitrile

Synonym(s):

ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide

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About This Item

Linear Formula:
CH3CN
CAS Number:
75-05-8
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
200-835-2
MDL number:
MFCD00001878
UNSPSC Code:
41116105
PubChem Substance ID:
329817335
NACRES:
NA.21

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

type

for DNA synthesis

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

storage condition

dry at room temperature

impurities

≤30 ppm water content (Karl Fischer)

color

clear

refractive index

n/D 1.342-1.346
n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

solubility

water: soluble (completely)

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

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
GHS02,GHS07

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water soluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

L010080-450ML:
L010080-6X450ML:
L810090-C02-01:
L810045-01:
L810045-4N:4548173279367
L810045-06:4548173225647

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Certificates of Analysis (COA)

Lot/Batch Number
HMBJ2290
HMBH1613V
HMBG7872V
HMBG3966V
HMBF8119V

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