HPLC Acetonitrile Specification
CAS. No: 75-05-8
Molecular formula: C2H3N
Molecular weight: 41.05.
Characters:
MP: (-43+2);
Bp: 81.6;
Density(20): 0.783G.
Quality indicators:
Main content: "99.9%;
Moisture: "0.03%.
TEST ITEMS | SPECIFICATION | RESULT |
Appearance | Clear, Colorless | Clear, Colorless |
Assat(GC), % | Min 99.9 | o 99.99 |
Water (H 2 O), (o / %) | Max 0.05 | passes test |
Evaporation Residue, ( / %) | Max 0.0005 | 0.0004 |
Density, g/ml (20oC) | 0.782-0.785 | 0.783 |
Refractive Index | 1.344 | 1.343 |
Titrable Acid. (meq/g) | Max 0.0004 | 0.0002 |
Titrable Base, (meq/g) | Max 0.0002 | 0.0002 |
UV Absorbance, (1.00-cm cell vs. water): | | |
at 200 nm | Max 0.050 | 0.012 |
at 210 nm | Max 0.040 | 0.010 |
at 220 nm | Max 0.030 | 0.007 |
at 230 nm | Max 0.010 | 0.005 |
at 240 nm | Max 0.005 | 0.003 |