Description
Acetonitrile for HPLC, gradient grade, (4x4L)
Product Details:
-
CAS Number 75-05-8
-
Linear Formula CH3CN
-
Molecular Weight 41.05
-
Beilstein Registry Number 741857
-
EC Number 200-835-2
-
MDL number MFCD00001878
-
PubChem Substance ID 329755061
Properties:
grade | for HPLC, gradient grade |
vapor density | 1.41 (vs air) |
vapor pressure | 72.8 mmHg ( 20 °C) |
assay | ≥99.9% |
autoignition temp. | 973 °F |
expl. lim. | 16 % |
measuring range | ≤15 mAU baseline drift, (210 nm) |
impurities | ≤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 | |
refractive index | n20/D 1.344(lit.) |
bp | 81-82 °C(lit.) |
mp | −48 °C(lit.) |
density | 0.786 g/mL at 25 °C(lit.) |
absorption | HPLC-gradient/210 nm ≤3 mAU |
HPLC-gradient/254 nm ≤0.5 mAU | |
UV absorption | 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 | |
storage temp. | room temp |
Packaging
4×4 L in glass bottle
Preparation Note
Product filtered through a 0.2 μm filter
Application
Acetonitrile (MeCN) may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.[1]
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.[2]
Legal Information
Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC