Property |
Specification |
Test Method |
Units |
Appearance |
White crystalline powder |
Visual |
– |
Assay (as C(CH₂OH) |
Min 98.0% (typical) ₄) |
Titrimetry or Gas Chromatography |
wt% |
Water Content |
Max 0.5% |
Karl Fischer Titration |
wt% |
Ash Content |
Max 0.1% |
Gravimetry |
wt% |
Insoluble Matter |
Max 0.1% |
Gravimetry |
wt% |
Acid Value |
Max 5 mg KOH/g |
Potentiometric Titration |
mg KOH/g |
Iron (as Fe) |
Max 50 ppm |
Atomic Absorption Spectroscopy (AAS) |
ppm |
Lead (as Pb) |
Max 20 ppm |
Atomic Absorption Spectroscopy (AAS) |
ppm |
Chlorides (as Cl) |
Max 50 ppm |
Ion Chromatography |
ppm |