Tannic acid powder, Pure, 100 gram

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.

Product Identifier

CAS No. : 1401-55-4

EC No. : 215-753-2

Molecular Formula : C₇₆H₅₂O₄₆

Molecular Weight : 1701.20

Synonym : Tannic acid powder, Hi-LR™

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

Loss on drying (at 105°C, 2hr) : <= 12.0%

Residue on ignition : <= 1.0%

Sugars, dextrin : Passes test

Note :

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Tannic acid powder, Pure, 100 gram

Tannic acid powder, Pure, 100 gram

Rp 1.639.082

Deskripsi