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34881

Sigma-Aldrich

Acetonitrile

≥99.8% (GC), suitable for HPLC-GC, gas chromatography (GC), HPLC

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/REAXYS Number:
741857
EC Number:
200-835-2
MDL number:
MFCD00001878
UNSPSC Code:
41116105
eCl@ss:
39031501
PubChem Substance ID:
329755084
NACRES:
NA.03

product name

Acetonitrile, suitable for HPLC-GC, ≥99.8% (GC)

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.8% (GC)

form

liquid

autoignition temp.

973 °F

expl. lim.

16 %

technique(s)

HPLC-GC: suitable
HPLC: suitable
gas chromatography (GC): suitable

impurities

≤0.0005% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.1% water (Karl Fischer)

transmittance

200 nm, ≥50%
220 nm, ≥90%
240 nm, ≥99%

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.)

application(s)

food and beverages

format

neat

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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Application

Acetonitrile (MeCN) may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.
Used in the method development for pain panel and illicit drugs in clinical urine samples by LC-MS/MS.
It may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.

Other Notes

Important notice
  • The article number 34881-4X2.5L will be discontinued. Please order the single bottle 34881-2.5L which is physically identical with the same exact specifications.

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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_germany

WGK 2

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Journal of AOAC International, 86(2), 412-431 (2003-05-02)
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