Property |
Specification |
Test Method |
Appearance |
Clear, colorless liquid with a sharp, sweet odor |
Visual |
Assay (as CH₂Cl₂) |
Min 99.5% (typical for ACS/Reagent grade) |
Gas Chromatography (GC) |
Density (at 20°C) |
~1.33 g/mL |
Density meter |
Boiling Point |
~40°C |
Distillation |
Freezing Point |
~-97°C |
Freezing Point Apparatus |
Flash Point |
Non-flammable |
Closed Cup |
Water Content |
Max 0.05% (typical for ACS/Reagent grade) |
Karl Fischer Titration |
Acidity (as hydrochloric acid) |
Max 0.001% |
Titrimetry |
Color (APHA) |
Max 10 (typical for ACS/Reagent grade) |
Platinum-Cobalt Method |
Residue on Evaporation |
Max 0.001% |
Gravimetry |
Chlorides (as Cl) |
Max 5 ppm |
Ion Chromatography |