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CAS No：5001-72-9

中文名称：直接红31

中文别名：直接桃红; 直接桃红5B; 直接桃红 12B; 直接桃红12B; C.I.直接红31

英文名称：Einecs 225-669-8; 2-Naphthalenesulfonic Acid, 7,7'-Iminobis(4-Hydroxy-3-(2-Phenyldiazenyl)-, Sodium Salt (1:2); Einecs 225-669-8; 2-Naphthalenesulfonic Acid, 7,7'-Iminobis(4-Hydroxy-3-(2-; Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate]; Direct Pink 5B; Disodium 7,7'-Iminobis(4-Hydroxy-3-(Phenylazo)Naphthalene-2-Sulphonate); Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate]; 2-Naphthalenesulfonic Acid, 7,7'-Iminobis(4-Hydroxy-3-(2-; 2-Naphthalenesulfonic Acid, 7,7'-Iminobis(4-Hydroxy-3-(Phenylazo)-, Disodium Salt; 2-Naphthalenesulfonic Acid, 7,7'-Iminobis(4-Hydroxy-3-(2-Phenyldiazenyl)-, Sodium Salt (1:2); Direct Red 31; Disodium 7,7'-Iminobis(4-Hydroxy-3-(Phenylazo)Naphthalene-2-Sulphonate); C.I.Direct Red 31; 2-Naphthalenesulfonic Acid, 7,7'-Iminobis(4-Hydroxy-3-(Phenylazo)-, Disodium Salt

• CAS No.： 5001-72-9
• EINECS号： 225-669-8
• 分子式： C32H21N5Na2O8S2
• 分子量： 713.65

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