| Items |
Unit |
Specification |
Test Method |
| Assay |
% |
99.9 min. |
Calculation |
| Color |
APHA-No. |
Below 5 |
Visual color comparison check |
| Water content |
ppm |
Below 50 |
Water (H2O) by Karl Fischer (volumetric analysis) |
| Acetone |
ppm |
Below 5 |
Gas chromatography (FID) |
| Acrylonitrile |
ppm |
Below 20 |
Gas chromatography (FID) |
| Allyl alcohol |
ppm |
Below 5 |
Gas chromatography (FID) |
| Propionitrile |
ppm |
Below 30 |
Gas chromatography (FID) |
| Hydrocyanic acid |
ppm |
Below 5 |
Silver nitrate titration (Liebig & Deniges method) |
| Copper |
ppm |
Below 5 |
Colorimetric determination |
| Iron |
ppm |
Below 5 |
Colorimetric determination |
| Acidity (as acetic acid) |
ppm |
Below 5 |
Neutralization titration (non-aqueous) |
| Free ammonia |
ppm |
Below 0.3 |
Neutralization titration |
| KMnO4 consumption |
% |
Below 25 |
Ultraviolet-visible spectrophotometer |
| UV absorbance (220 nm) |
abs |
Below 0.02 |
Ultraviolet-visible spectrophotometer |
| UV absorbance (210 nm) |
abs |
Below 0.03 |
Ultraviolet-visible spectrophotometer |
| UV absorbance (200 nm) |
abs |
Below 0.04 |
Ultraviolet-visible spectrophotometer |
Home > Product Index > Monomers and Basic Chemicals > Monomers 1/2 > Acetonitrile > Reference Data for Highly Purified Grade
