TANNIC ACID AR/ACS

Chemical Information
Article No.	AL4434
Grade	AR/ACS
CAS Number	1401-55-4
Molecular Formula	C76H52O46
Molecular Weight	1701.22
HS Code	32019090
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	Soluble in water
Colour	Light brown
Auto-ignition temperature(°C)	527 °C
Melting point/ Freezing point(°C)	218 °C
Flash point(°C)	199 °C
Odour	Faint odour
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Precaution Statement	P273

Specifications
Identification	Passes test
IR spectrum	Passes test
Zinc (Zn)	Max 0.005%
Heavy metals (as Pb)	Max 0.003%
Arsenic (As)	Max 0.0003%
Appearance	Light brown powder