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TANNIC ACID Extra Pure

Gallotannin, Tannin

COAs

Packings

100 g (00100)

250 g (00250)

500 g (00500)

1PW1200200 1PW1200500 1PW1201000
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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

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
Revision Date: 14-Nov-2018

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