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Technical Data Sheet Tannic acid
Compound Information
Product Name:
Tannic acid
CAS No.:
1401-55-4
Molecular Formula:
C76H52O46
Molecular Weight:
1701.2
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Appearance | Yellowish white to light brown amorphous powder |
| 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% |
| MS | Pass test |
| IR | Pass test |
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