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TANNIC ACID AR/ACS

Gallotannin, Tannin

COAs

Packings

100 g (00100)

250 g (00250)

500 g (00500)

1PW1200200 1PW1200500 1PW1201000
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Article No. 06192 Grade AR/ACS
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 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%
Revision Date: 14-Nov-2018

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