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Merck

00700

Acetonitrile

≥99.5% (GC), ACS reagent, puriss. p.a.

Synonym(s):

Methyl cyanide, Anhydrous ACN, Dry MeCN

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About This Item

Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
UNSPSC Code:
12352001
PubChem Substance ID:
EC Number:
200-835-2
Beilstein/REAXYS Number:
741857
MDL number:
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Product Name

Acetonitrile, puriss. p.a., ACS reagent, ≥99.5% (GC)

Quality Segment

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C), 72.8 mmHg

grade

ACS reagent, puriss. p.a.

assay

≥99.5% (GC)

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %, 8 % (lit.)

impurities

≤0.001% free alkali (as NH3), ≤0.005% free acid (as CH3COOH), ≤0.1% benzene (GC), ≤0.2% propionitrile (GC), ≤0.2% water

evapn. residue

≤0.001%

refractive index

n20/D 1.344

bp

81-82 °C (lit.)

mp

-48 °C (lit.), −45 °C (lit.)

density

0.786 g/mL at 25 °C (lit.)

SMILES string

CC#N

cation traces

Al: ≤0.5 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.05 mg/kg, Fe: ≤0.1 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Mo: ≤0.1 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Sr: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

format

neat

InChI

1S/C2H3N/c1-2-3/h1H3

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

General description

Acetonitrile (MeCN) is a polar solvent.


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pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter



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