β-D-Glucopyranose, 1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate]
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![β-D-Glucopyranose, 1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate] structure](https://file.echemi.com/fileManage/upload/cas/50/55de28bd-8479-4d30-b720-8a319a60fe4d.gif "β-D-Glucopyranose, 1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate]")
β-D-Glucopyranose, 1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate]
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CAS No:
5424-20-4
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Formula:
C76H52O46
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Chemical Name:
β-D-Glucopyranose, 1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate]
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Synonyms:
β-D-Glucopyranose,1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate];β-D-Glucopyranose,pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate];Chinese gallotannin;Pentadigalloylglucose;42804-73-9;88196-66-1;1201816-48-9;2392017-60-4
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CAS No:
Description
Any of several yellow organic compounds found in vegetable sources such as bark of trees, oak galls, and tea. They are used in tanning animal skins to make leather and as mordants in dyeing. Tannic acid (a type of tannin) is a white solid heterocyclic organic acid extracted from oak galls and used for making dyes and inks. tannin: One of a group of complexorganic chemicals (see depsides) commonlyfound in leaves, unripe fruits,and the bark of trees. Their functionis uncertain though the unpleasa
β-D-Glucopyranose, 1,2,3,4,6-pentakis[3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoate] Basic Attributes
1701.2
1701.20
215-753-2
3201909000
Characteristics
777.98000
4.83810
Tannic acid is a light yellow to tan solid with a faint odor. Sinks and mixes with water. (USCG, 1999)
2.12 g/cm3
218 °C(lit.)
198ºC
198 °C
1.927
1 G DISSOLVES IN 0.35 ML WATER, 1 ML WARM GLYCEROL; PRACTICALLY INSOL IN PETROLEUM ETHER, CARBON TETRACHLORIDE
KEEP WELL CLOSED & PROTECTED FROM LIGHT.
FAINT CHARACTERISTIC ODOR
ASTRINGENT TASTE
Safety Information
2
24/25
WW5075000
SOLN OF TANNIC ACID IN GLYCERIN ARE RELATIVELY STABLE.
P264, P273, P280, P305+P351+P338, P337+P313, P501
H319
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