Details for gallotannic acid
gallotannic acid
111Category: Organic chemicals and Derivatives/Acid, ester and anhydride compounds
CAS NO: 1401-55-4 EC NO: 215-753-2 Molecular Formula: C76H52O46 Molecular Weight: 1701.1985 Specification: edible InChI: InChI=1/C76H52O46/c77-32-1-22(2-33(78)53(32)92)67(103)113-47-16-27(11-42(87)58(47)97)66(102)112-21-52-63(119-72(108)28-12-43(88)59(98)48(17-28)114-68(104)23-3-34(79)54(93)35(80)4-23)64(120-73(109)29-13-44(89)60(99)49(18-29)115-69(105)24-5-36(81)55(94)37(82)6-24)65(121-74(110)30-14-45(90)61(100)50(19-30)116-70(106)25-7-38(83)56(95)39(84)8-25)76(118-52)122-75(111)31-15-46(91)62(101)51(20-31)117-71(107)26-9-40(85)57(96)41(86)10-26/h1-20,52,63-65,76-101H,21H2 Product description:
Another name: Tannic acid
Molecular formula: C76H52O46
Molecular weight: 1434-1701.18
Properties: This product is pale yellow powder, have special smell, taste very acerbity, soluble in a water or ethanol, soluble in acetone, insoluble in chloroform
Specification: comply with the U.S. food and drug administration "food chemical specifications" 3 edition provisions and the food chemical code standards (1981) standards; The United States food the FCC to IV standard.
Main technical parameters;
Dry weightlessness: 9.0% or less
Tannic acid content: acuity 92%
Burning residua: 1.0% or less
Arsenic: more than 3 PPM
Heavy metal: 0.002% or less
Gum or dextrin experiment: qualified
Resin material experiment: qualified
Main application: Food antioxidants, preservative, drinks and alcohol clarify agent and soy sauce of decoloring agents
Storage: closed container
Packaging: Plastic woven bag, net weight: 25kg/bag
Synonyms: Chinese tannin;Gallotannic acid;Gallotannin;Galloylglucose;Glycerite;Penta NM digalloyl glucose;Quebracho;Tannins;1,3,6-tris-O-(3,4,5-trihydroxybenzoyl)hexopyranose;1,2,3,4,6-pentakis-O-[(3,4-dihydroxy-5-{[(3,4,5-trihydroxyphenyl)carbonyl]oxy}phenyl)carbonyl]hexopyranose; Molecular Structure: 
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