Tannic acid
Tannic acid
Tannic acid
Thermo Scientific Chemicals

Tannic acid

CAS: 1401-55-4 | C76H52O46 | 1701.206 g/mol
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Quantity:
250 g
1000 g
Catalog number A17022.30
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41,50
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Quantity:
250 g
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Price (EUR)
41,50
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Chemical Identifiers
CAS1401-55-4
IUPAC Name2,3-dihydroxy-5-[({3,4,5,6-tetrakis[3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyloxy)benzoyloxy]oxan-2-yl}methoxy)carbonyl]phenyl 3,4,5-trihydroxybenzoate
Molecular FormulaC76H52O46
InChI KeyLRBQNJMCXXYXIU-UHFFFAOYNA-N
SMILESOC1=CC(=CC(O)=C1O)C(=O)OC1=CC(=CC(O)=C1O)C(=O)OCC1OC(OC(=O)C2=CC(O)=C(O)C(OC(=O)C3=CC(O)=C(O)C(O)=C3)=C2)C(OC(=O)C2=CC(O)=C(O)C(OC(=O)C3=CC(O)=C(O)C(O)=C3)=C2)C(OC(=O)C2=CC(O)=C(O)C(OC(=O)C3=CC(O)=C(O)C(O)=C3)=C2)C1OC(=O)C1=CC(O)=C(O)C(OC(=O)C2=CC(O)=C(O)C(O)=C2)=C1
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Cream to brown
Assay (unspecified)≥93% (dry wt. basis)
Identification (FTIR)Conforms
Water Content (Karl Fischer Titration)≤10%
FormPowder
Used for enzyme immobilization and protein adsorption.Tannic acid has anti-bacterial, anti-enzymatic and astringent applications. Used in the dyeing process for cellulose fibers such as cotton. Used in food and medication.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Used for enzyme immobilization and protein adsorption.Tannic acid has anti-bacterial, anti-enzymatic and astringent applications. Used in the dyeing process for cellulose fibers such as cotton. Used in food and medication.

Solubility
Soluble in water, warm glycerol, alcohol and acetone.

Notes
Air and light sensitive. Keep container tightly closed in a dry and well-ventilated place, cool place. Incompatible with metallic salts, strong oxidizing agents, iron, strong bases and heavy metals.
RUO – Research Use Only

General References:

  1. Kozlovskaya, V.; Xue, B.; Lei, W.; Padgett, L. E.; Tse, H. M.; Kharlampieva, E. Diabetes: Hydrogen-Bonded Multilayers of Tannic Acid as Mediators of T-Cell Immunity. Adv. Healthcare Mater. 2015, 4 (5), 685-685.
  2. Sionkowska, A.; Kaczmarek, B.; Gnatowska, M.; Kowalonek, J. The influence of UV-irradiation on chitosan modified by the tannic acid addition. J. Photochem. Photobiol., B 2015, 148, 333-339.