TANNIC ACID Extra Pure

TANNIC ACID Extra Pure

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Category: Acids-Organic

Description
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Description

Gallotannin, Tannin

Article No.	06190	Grade	Extra Pure
Purity		CAS No.	1401-55-4
Molecular Formula	C₇₆H₅₂O₄₆	Molecular Weight	1701.22
H.S. Code	3201.9090	Shelf Life	60 Months

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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

Specifications

Appearance	Yellowish white to light brown amorphous powder
Heavy metal (as Pb)	Max 0.004%
Arsenic (As)	Max 0.0003%
Loss on drying (at 105°C)	Max 9%
Sulphated ash	Max 1.0%
Reaction of aqueous solution	Passes test
Dextrins, gum, salts, sugars	Passes test
Resinous substances	Passes test

Packings

100 g	00100
250 g	00250
500 g	00500

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