Property |
Specification |
Test Method |
Appearance |
Colorless liquid |
Visual |
Assay (as C₃H₈O) |
Min 99.0% (typical for ACS/Reagent grade) |
Gas Chromatography (GC) |
Density (at 20°C) |
~0.785 g/mL |
Density meter |
Boiling Point |
~80°C |
Distillation |
Freezing Point |
~-89°C |
Freezing Point Apparatus |
Flash Point |
~12°C |
Pensky-Martens Closed Cup |
Water Content |
Max 0.1% (typical for ACS/Reagent grade) |
Karl Fischer Titration |
Non-volatile Residue |
Max 0.001% |
Gravimetry |
Color (APHA) |
Max 10 (typical for ACS/Reagent grade) |
Platinum-Cobalt Method |
Acidity (as acetic acid) |
Max 0.005% |
Titrimetry |
Chlorides (as Cl) |
Max 5 ppm |
Ion Chromatography |