TANNIC ACID
TANNIC ACID AR/ACS
Short Name: TANNIC ACID
Synonym: Gallotannin, Tannin
Basic Details
Article No.
LG4434
Grade
AR/ACS
Purity
CAS No.
1401-55-4
HS Code
3201.9090
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Light brown
Odour
Faint odour
Melting point/ Freezing point [°C]
218 °C
Decomposition point [°C]
200 °C
Auto-ignition temperature [°C]
527 °C
Flash point [°C]
199 °C
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Yellowish white to light brown amorphous powder
Identity (IR)
Passes test
Identification
Passes test
Reaction of aqueous solution
Passes test
Dextrins, gum, salts, sugars
Passes test
Resinous substances
Passes test
Heavy metal (as Pb)
Max 0.003%
Zinc (Zn)
Max 0.005%
Arsenic (As)
Max 0.0003%
Loss on drying (at 105°C)
Max 12%
Residue on ignition
Max 0.5%
Safety Information & Hazard Symbols