High purity solvent, Low residue, Low water, Low UV-absorbance, Assuring optimum sensitivity, Long term stability
Gradient Grade Acetonitrile Specification
CAS.No:75-05-8
Molecular formula:C2H3N
Molecular weight:41.05.
Characters: mp:(-43±2); bp:81.6; Density(20):0.7768g/cm3.
Quality indicators: main content:≥99.9%; moisture:≤0.03%.
Test Items | Gradient Grade | |
Assay CH3CN (GC) , ω / % | ≥99.9 | |
Appearance | Clear, Colorless | |
Density (20°C) , ρ / (g/mL) | 0.782~0.785 | |
Evaporation Residue ω / % | ≤0.0005 | |
Water (H2O) ω / % | ≤0.02 | |
Solubility in H2O. | Pass Test | |
Titrable Acid. / (mmol/g) | ≤0.0004 | |
Titrable Base. / (mmol/g) | ≤0.0002 | |
Potassium Permanganate | — | |
UV Absorbance,(1.00- cm cell vs.water) | 190nm | 1.00 |
200nm | 0.05 | |
210nm | 0.04 | |
220nm | 0.03 | |
230nm | 0.01 | |
240nm | 0.01 | |
250nm | 0.005 | |
254nm | 0.005 | |
GC-ECD Responsive Residue (Single Peak) (As γ-666) / (ng/L) | — | |
Gradient Test 254 nm / (AU) | ≤0.005 | |
Gradient grade Acetonitrile with ISO Certificated
