Description
PROPERTIES
| grade | gradient grade |
| Quality Level | 100 |
| vapor density | 1.41 (vs air) |
| vapor pressure | 72.8 mmHg ( 20 °C) |
| assay | ≥99.9% |
| form | liquid |
| autoignition temp. | 973 °F |
| expl. lim. | 16 % |
| baseline drift measuring range | ≤15 mAU (210 nm) |
| technique(s) | HPLC: suitable |
| 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 | −45 °C (lit.) |
| density | 0.786 g/mL at 25 °C (lit.) |
| HPLC-gradient | ≤0.5 mAU at 254 nm ≤3 mAU at 210 nm(lit.) |
| 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 |
| application(s) | food and beverages |
| storage temp. | room temp |
| SMILES string | CC#N |
| InChI | 1S/C2H3N/c1-2-3/h1H3 |
| InChI key | WEVYAHXRMPXWCK-UHFFFAOYSA-N |
DESCRIPTION
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.
Application
Acetonitrile (MeCN) may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.
Packaging
200, 200 L in Pure-Pacâ„¢ 2
1, 6×1, 2, 4×2, 2.5, 4×2.5, 4, 4×4 L in glass bottle
56, 200, 200 L in Pure-Pacâ„¢ 1
100 mL in glass bottle
20, 50 L in Pure-Pacâ„¢ 2
Preparation Note
Product filtered through a 0.2 μm filter
Other Notes
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.
Legal Information
Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC
Reviews
There are no reviews yet.