Pyrogallol
Synonyms: Pyrogallic acid; 1,2,3-Trihydroxybenene
CAS No.：87-66-1
Molecular Formula: C6H3(OH)3
Molecular Weight: 126.11
Technical Data Sheet:
Appearance: White crystal powder
Content (HPLC): 99.00% min
Appearance of solution ( water solubility): The solution is clear
Loss on Drying: 0.50%max
Melting point: 131-135℃
Residue on ignition: 0.10% max
Heavy metal (mg/kg): 5ppm max
Lead (mg/kg): 3ppm max
As (mg/kg): 3ppm max
PH:1%solution: 4.5-6.5
Surface density: 0.5-0.80g/ml
Package: 25kg/fiber drum
