Tannic acid, Thermo Scientific Chemicals

Description

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.

Specifications

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

Safety and Handling

EINECSNumber	215-753-2
RTECSNumber	WW5075000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only