Name: ACETONITRILE, FOR HPLC, GRADIENT GRADE
Brand: SIGMA-ALDRICH
SKU: 34851-100MLSIG
Price: 149.49 EUR

Application

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

General description

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.

Legal Information

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

Other Notes

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.

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Packaging

100 mL in glass bottle

200 L in Pure-Pac™ 2

View returnable container options.

56, 200, 200 L in Pure-Pac™ 1

50 L in Pure-Pac™ 2

1, 6×1, 2, 4×2, 2.5, 4×2.5, 4, 4×4 L in glass bottle

Preparation Note

Product filtered through a 0.2 µm filter

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application(s)	food and beverages
assay	≥99.9%
autoignition temp.	973 °F
baseline drift measuring range	≤15 mAU (210 nm)
bp	81-82 °C (lit.)
density	0.786 g/mL at 25 °C (lit.)
expl. lim.	16 %
form	liquid
grade	gradient grade
HPLC-gradient	≤3 mAU at 210 nm, ≤0.5 mAU at 254 nm
impurities	≤0.0005% non-volatile matter, ≤1 ppb fluorescence (quinine) at 254 nm, ≤0.0002% free alkali (as NH₃), ≤0.001% free acid (as CH₃COOH), ≤0.5 ppb fluorescence (quinine) at 365 nm, ≤0.02% water (Karl Fischer)
InChI key	WEVYAHXRMPXWCK-UHFFFAOYSA-N
InChI	1S/C2H3N/c1-2-3/h1H3
mp	−45 °C (lit.)
Quality Level	100
refractive index	n20/D 1.344 (lit.)
SMILES string	CC#N
storage temp.	room temp
technique(s)	HPLC: suitable
UV absorption	λ: 235 nm A_max: ≤0.0044, λ: 195 nm A_max: ≤0.12, λ: 400 nm A_max: ≤0.0044, λ: 230 nm A_max: ≤0.0044, λ: 250 nm A_max: ≤0.0044, λ: 200 nm A_max: ≤0.032
vapor density	1.41 (vs air)
vapor pressure	72.8 mmHg ( 20 °C)

Safety Data Sheet for 34851-100MLSIG

Cas Number	75-05-8
Hazard Class	3
Un Number	1648
Pack Group	II

This product has met the following criteria to qualify for the following awards:

ACETONITRILE, FOR HPLC, GRADIENT GRADE

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