Assay Min 99.5 %
Weight /ml at 20°C 1.113 – 1.115 g
Color Max 10 Hazen
Refractive index (20°C; 589nm) 1.431 – 1.433
Formaldehyde (HCHO) Max 0.005 %
Substance reducing KMnO4 (as O) Max 0.0003 %
Acidity (as CH3COOH) Max 0.001 %
Boiling point 196.5 to 198.5°C
Sulfated ash Max 0.005 %
Chloride (Cl) Max 0.00002 %
Iron (Fe) Max 0.0001 %
Water Max 0.1 %
Appearance A clear very hygroscopic syrupy liquid