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34851

Sigma-Aldrich

Acetonitrile

suitable for HPLC, gradient grade, ≥99.9%

Synonym(s):
ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
Número de EC:
Número MDL:
eCl@ss:
39031501
ID de la sustancia en PubChem:
NACRES:
NA.03

grado

gradient grade

Nivel de calidad

100

densidad de vapor

1.41 (vs air)

presión de vapor

72.8 mmHg ( 20 °C)

ensayo

≥99.9%

formulario

liquid

temp. de autoignición

973 °F

lim. expl.

16 %

baseline drift measuring range

≤15 mAU (210 nm)

technique(s)

HPLC: suitable

impurezas

≤0.0002% free alkali (as NH3)
≤0.0005% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.02% water (Karl Fischer)
≤0.5 ppb fluorescence (quinine) at 365 nm
≤1 ppb fluorescence (quinine) at 254 nm

índice de refracción

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

densidad

0.786 g/mL at 25 °C (lit.)

HPLC-gradient

≤0.5 mAU at 254 nm
≤3 mAU at 210 nm

Absorción UV

λ: 195 nm Amax: ≤0.12
λ: 200 nm Amax: ≤0.032
λ: 230 nm Amax: ≤0.0044
λ: 235 nm Amax: ≤0.0044
λ: 250 nm Amax: ≤0.0044
λ: 400 nm Amax: ≤0.0044

application(s)

food and beverages

temp. de almacenamiento

room temp

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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Descripción general

Acetonitrile (MeCN) is widely employed as a solvent in various studies and has high dielectric constant (37.5). Various purification procedures to obtain different grades of acetonitrile for use in different studies (polarography, spectroscopy, etc.) have been reported by many researchers.

Aplicación

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

Envase

100 mL in glass bottle
1, 6×1, 2, 4×2, 2.5, 4×2.5, 4, 4×4 L in glass bottle
20, 50 L in Pure-Pac™ 2
56, 200, 200 L in Pure-Pac™ 1
200, 200 L in Pure-Pac™ 2

Nota de preparación

Product filtered through a 0.2 μm filter

Otras notas

Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.
Important notice
  • The article number 34851-4X2.5L will be discontinued. Please order the single bottle 34851-2.5L which is physically identical with the same exact specifications.
  • The article number 34851-6X1L will be discontinued. Please order the single bottle 34851-1L which is physically identical with the same exact specifications.

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Información legal

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

pictogramas

FlameExclamation mark

Palabra de señalización

Danger

Clasificaciones de peligro

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

Código de clase de almacenamiento

3 - Flammable liquids

WGK

WGK 2

Punto de inflamabilidad F

35.6 °F - closed cup

Punto de inflamabilidad C

2.0 °C - closed cup

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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