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Gallotannin, Hi-AR™/ACS

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SKU:
GRM429
CAS Number : 1401-55-4
Synonym : Tannic acid, Hi-AR™/ACS
Molecular Formula : C₇₆H₅₂O₄₆
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Gallotannin is a specific form of tannin, a type of polyphenol. Its weak acidity (pKa around 6) is due to the numerous phenol groups in the structure. The chemical formula for commercial tannic acid is often given as C76H52O46.
CAS Number : 1401-55-4
Synonym : Tannic acid, Hi-AR™/ACS
Molecular Formula : C₇₆H₅₂O₄₆

Product Identifier

CAS No. 1401-55-4
EC No. 215-753-2
Molecular Formula C76H52O46
Molecular Weight 1701.20
Synonym Tannic acid, Hi-AR®/ACS
HS Code 3201 90 90
Storage Below 30°C
Shelf life 4 years

Technical Specification

Appearance Off-white to light brown powder or solid
Solubility 33.3 mg soluble in 1 mL of ethanol
Identification test Passes
FTIR Matches with the standard pattern
Sugars, dextrin Passes test
Heavy metals (as Pb) <= 0.003%
Zinc (Zn) <= 0.005%
Residue on ignition <= 0.5%
Loss on drying (at 105°C, 2 hr) <= 12.00%

Safety Information

UN No. Not dangerous goods
Class -
Packing Group -
RTECS WW5075000
WGK 2
CAS Number : 1401-55-4
Synonym : Tannic acid, Hi-AR™/ACS
Molecular Formula : C₇₆H₅₂O₄₆
More Information
Product Name Gallotannin, Hi-AR™/ACS
SKU GRM429
CAS No 1401-55-4
EC No. 215-753-2
Molecular formula C₇₆H₅₂O₄₆
Synonym Tannic acid, Hi-AR™/ACS
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