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Diphenic Acid CAS Registry Number: 482-05-3 2,2'-联苯二甲酸

CAS Name: [1,1'-Biphenyl]-2,2'-dicarboxylic acid
Additional Names: o,o'-bibenzoic acid
Percent Composition: C 69.42%, H 4.16%, O 26.42%

📌 参考资料/链接：
Literature References: Prepd from diazotized anthranilic acid by treatment with a cuproammonia-sulfite reducing agent: Vorländer, Meyer, Ann. 320, 122 (1902); Atkinson, Lawler, Org. Synth. coll. vol. I (2nd ed, 1941) p 222. By chromic acid oxidation of phenanthrenequinone: Roberts, Johnson, J. Am. Chem. Soc. 47, 1399 (1925). By heating potassium o-bromobenzoate with copper powder: Hurtley, J. Chem. Soc. 1929, 1870.

📄 详细内容

Properties: Monoclinic prismatic rods upon slow cooling from water, leaflets from hot water, needles by careful sublimation. mp 228-229°. The satd aq soln is 0.0052N at 25°; soluble in the usual organic solvents.
Melting point: mp 228-229°
Derivative Type: Dimethyl ester
Percent Composition: C 71.10%, H 5.22%, O 23.68%
Properties: Monoclinic prismatic plates, tablets from methanol, mp 73.5°; bp14 204-206°.
Melting point: mp 73.5°
Boiling point: bp14 204-206°
Derivative Type: Diethyl ester
Percent Composition: C 72.47%, H 6.08%, O 21.45%
Properties: Cubes from alcoholic HCl, mp 42°.
Melting point: mp 42°
产品链接: 482-05-3››

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