Tannic Acid
[CAS# 5424-20-4]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Cyclic carboxylic acid
• Name: Tannic Acid
• Synonyms: Tannin; Aids-020846; 16201_Riedel
• Molecular Formula: C₇₆H₅₂O₄₆
• Molecular Weight: 1701.22
• CAS Registry Number: 5424-20-4
• EINECS: 226-562-9
• SMILES: [C@@H]5(OC(=O)C1=CC(=C(O)C(=C1)OC(=O)C2=CC(=C(O)C(=C2)O)O)O)[C@@H](OC(=O)C3=CC(=C(O)C(=C3)OC(=O)C4=CC(=C(O)C(=C4)O)O)O)[C@@H](O[C@@H]([C@H]5OC(=O)C6=CC(=C(O)C(=C6)OC(=O)C7=CC(=C(O)C(=C7)O)O)O)COC(=O)C8=CC(=C(O)C(=C8)OC(=O)C9=CC(=C(O)C(=C9)O)O)O)OC(=O)C%10=CC(=C(O)C(=C%10)OC(=O)C%11=CC(=C(O)C(=C%11)O)O)O
• InChI: 1S/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/t52-,63-,64+,65-,76+/m1/s1
• InChIKey: LRBQNJMCXXYXIU-PPKXGCFTSA-N

Properties

• Density: 2.129g/cm³ (Cal.)