Tannic acid, Thermo Scientific Chemicals

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.

Chemical Identifiers

CAS

1401-55-4

Molecular Formula

C76H52O46

Molecular Weight (g/mol)

1701.206

MDL Number

MFCD00066397

InChI Key

LRBQNJMCXXYXIU-JPZKJCTESA-N

Synonym

tannins, gallotannic acid, quebracho extract, acide tannique, d'acide tannique, tannic acid usp:jan, unii-28f9e0djy6

PubChem CID

134129492

SMILES

C1=C(C=C(C(=C1O)O)O)C(=O)OC2=CC(=CC(=C2O)O)C(=O)OCC3C(C(C(C(O3)OC(=O)C4=CC(=C(C(=C4)OC(=O)C5=CC(=C(C(=C5)O)O)O)O)O)OC(=O)C6=CC(=C(C(=C6)OC(=O)C7=CC(=C(C(=C7)O)O)O)O)O)OC(=O)C8=CC(=C(C(=C8)OC(=O)C9=CC(=C(C(=C9)O)O)O)O)O)OC(=O)C1=CC(=C(C(=C1)OC(=O)C1=CC(=C(

pH

3.5

Melting Point

∼218°C (decomposition)

Beilstein

8186396

Merck Index

14,9052

Solubility Information

Soluble in water,warm glycerol,alcohol and acetone.

Formula Weight

1701.23

Quantity

250 g

Odor

Odorless

Sensitivity

Air and light sensitive

Chemical Name or Material

Tannic acid

EINECSNumber

215-753-2

RTECSNumber

WW5075000

TSCA

Yes

Recommended Storage

Ambient temperatures

SDS

EINECSNumber

215-753-2

RTECSNumber

WW5075000

TSCA

Yes

Recommended Storage

Ambient temperatures

SDS

RUO – Research Use Only