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Tannic acid ¡¡ |
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Tannic acid ¡¡ |
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Tannic acid ¡¡ EINECS:215-753-2¡¡ Molecular Formula:C76H52O46¡¡ CAS Registry Number:1401-55-4¡¡ Molecular Weight:1701.22¡¡ Density:2.12 g/cm3¡¡ Water solubility:250 g/L (20¡É)¡¡ Melting Point:218¡ÉFlash Point:198¡ÉStorage 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 ¡ÆC) in water¡¡ Appearance:light yellow to tan solid with a faint odor¡¡ 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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Tannic acid ¡¡ EINECS:215-753-2¡¡ Molecular Formula:C76H52O46¡¡ CAS Registry Number:1401-55-4¡¡ Molecular Weight:1701.22¡¡ Density:2.12 g/cm3¡¡ Water solubility:250 g/L (20¡É)¡¡ Melting Point:218¡ÉFlash Point:198¡ÉStorage 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 ¡ÆC) in water¡¡ Appearance:light yellow to tan solid with a faint odor¡¡ 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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