Description
Product Details:
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CAS Number 75-05-8
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Linear Formula CH3CN
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Molecular Weight 41.05
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Beilstein Registry Number 741857
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EC Number 200-835-2
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MDL number MFCD00001878
Properties:
grade | HPLC Plus |
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 | ≤12 mAU baseline drift, (210 nm) |
impurities | ≤0.0001% free alkali (as NH3) |
≤0.0002% non-volatile matter | |
≤0.001% free acid (as CH3COOH) | |
≤0.01% water (Karl Fischer) | |
≤0.5 ppb fluorescence (quinine) at 254 nm | |
≤0.5 ppb fluorescence (quinine) at 365 nm | |
halogenated residue | 10 ng/L (as heptachlor epoxide) |
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 ≤1 mAU |
HPLC-gradient/254 nm ≤0.2 mAU | |
λ | H2O reference |
UV absorption | λ: 195 nm Amax: ≤0.10 |
λ: 200 nm Amax: ≤0.02 | |
λ: 228 nm Amax: ≤0.005 | |
λ: 235 nm Amax: ≤0.0044 | |
λ: 250 nm Amax: ≤0.0044 | |
λ: 400 nm Amax: ≤0.0044 |
Packaging
4×4 L in glass bottle
Preparation Note
Product filtered through a 0.2 μm filter
Application
Acetonitrile has been used to compose the gradient system for the HPLC detection of diphenylmethane diisocyanate, a polymeric degradation product.[1]
New Quality UPLC Plus Acetonitrile is suitable for all applications including:
Mass spectrometry, HPLC, TLC, GPC, UV, IR, GC, Pesticide Residue Analysis, and RNA/DNA Synthesis and Purification.
General description
Acetonitrile (MeCN) is widely employed as a solvent in various studies and has high dielectric constant (37.5).
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Legal Information
Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC