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Merck
CN

00695

Acetonitrile

puriss., absolute, over molecular sieve (H2O ≤0.01%), ≥99.5% (GC)

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
UNSPSC Code:
12191502
PubChem Substance ID:
24844940
eCl@ss:
39031501
EC Number:
200-835-2
Beilstein/REAXYS Number:
741857
MDL number:
MFCD00001878

Key Documents

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vapor pressure

72.8 mmHg ( 20 °C)

grade

absolute, puriss.

assay

≥99.5% (GC)

autoignition temp.

973 °F

quality

over molecular sieve (H2O ≤0.01%)

mp

−45 °C (lit.)

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General description

Acetonitrile (MeCN) is a polar solvent.

Application

Acetonitrile (MeCN) may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.

pictograms

FlameExclamation mark
GHS02,GHS07

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

wgk

WGK 2

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
STBJ2838
STBJ2146
STBJ1907
STBJ1535
STBJ0311

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Michelangelo Anastassiades et al.
Journal of AOAC International, 86(2), 412-431 (2003-05-02)
A simple, fast, and inexpensive method for the determination of pesticide residues in fruits and vegetables is introduced. The procedure involves initial single-phase extraction of 10 g sample with 10 mL acetonitrile, followed by liquid-liquid partitioning formed by addition of
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