| Message: | Tannic acid
EINECS: 215-753-2
Molecular Formula: C76H52O46
CAS Registry Number: 1401-55-4
Synonyms: Gallotannic acid,Gallotannin,Galloylglucose,Glycerite,Quebracho,Tannins
HS Code: 32019090
Appearance: light yellow to tan solid with a faint odor
Molecular Weight: 1701.22
Density: 2.12 g/cm3
Melting Point: 218℃
Flash Point: 198℃
Storage Temperature: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. Store protected from light.
Refractive index: 1.927
Solubility: 250 g/L (20 °C) in water
Stability: Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals.
Usage: Mordant in dyeing, manufacture ink, sizing paper & silk, printing fabrics, tanning, as coagulant in rubber mfr, with gelatin & albumin for manufacture of imitation horn & tortoise shell, clarifying beer or wine, in photography, manufacture gallic acid & pyrogallol, as reagent in analytical chemistry.
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