TANNIC ACID AR (GALLOTANNIC ACID)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
T0201000500	AR		1401-55-4	C₇₆H₅₂O₄₆	1701.22	3201.9090	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Light brown

Odour

Faint odour

Melting Point/ Freezing point [°C]

218 °C

Flash Point [°C]

199 °C

Decomposition point [°C]

200 °C

Auto-ignition temperature [°C]

527 °C

Solubility in water [% weight]

Soluble in water

Appearance:	Light brown powder
Identity (IR):	Passes test
Heavy metal (as Pb):	Max 0.003%
Loss on drying (at 105°C) :	Max 12%
Arsenic (As):	Max 0.0003%
Identifications:	Passes test
Residue on ignition:	Max 0.5%
Zinc (Zn):	Max 0.005%
Dextrins, gum, salts, sugars:	Passes test
Reaction of aqueous solution:	Passes test
Resinous substances:	Passes test