单宁酸

等级

puriss.

质量水平

200

形式

powder

自燃温度

980 °F

质量

meets analytical specification of USP

杂质

dextrines, gum matters, in accordance
resinous matters, in accordance
≤0.003% heavy metals (as Pb)

灼烧残渣

≤0.1% (as SO₄)

缺失

≤9% loss on drying, 105 °C, 2 h

mp

218 °C (lit.)

溶解性

H₂O: soluble 1 gm in 0.35ml
glycerol: soluble 1gm in 1 ml (warm)
acetone: very soluble
alcohol: freely soluble (Diluted)
alcohol: slightly soluble (Dehydrated)
alcohol: very soluble
benzene: insoluble
carbon disulfide: insoluble
carbon tetrachloride: insoluble
chloroform: insoluble
diethyl ether: insoluble
hexane: insoluble
petroleum ether: insoluble

痕量阳离子

As: ≤3 mg/kg

应用

metabolomics
vitamins, nutraceuticals, and natural products

SMILES字符串

Oc1cc(cc(O)c1O)C(=O)Oc2cc(cc(O)c2O)C(=O)OC[C@H]3O[C@@H](OC(=O)c4cc(O)c(O)c(OC(=O)c5cc(O)c(O)c(O)c5)c4)[C@H](OC(=O)c6cc(O)c(O)c(OC(=O)c7cc(O)c(O)c(O)c7)c6)[C@@H](OC(=O)c8cc(O)c(O)c(OC(=O)c9cc(O)c(O)c(O)c9)c8)[C@@H]3OC(=O)c%10cc(O)c(O)c(OC(=O)c%11cc(O)c(O)c(O)c%11)c%10

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

InChI key

LRBQNJMCXXYXIU-PPKXGCFTSA-N