单宁酸

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.

Stable compound.

MFCD00066397

215-753-2

C₇₆H₅₂O₄₆

1701.23

ca 218° dec.

199°(390°F)

Air Sensitive. Light Sensitive. Ambient temperatures.

Powder

Soluble in water, warm glycerol, alcohol and acetone.

8186396

14,9052

Maximum level of impurities: Identification P.T., Loss on drying 12.0%, Residue after ignition 0.5%, Heavy Metals (as Pb) 0.003%, Zn 0.005%, Sugars, dextrin P.T.

WW5075000

是

H303
May be harmful if swallowed.