基本信息
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猩红酸
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134-47-4
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6,6'-(1,3-亚脲基)双(1,1'-萘酚)-3,3'-磺酸;7,7-(羰基二亚氨基)二(4-羟基-2-萘磺酸)
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C21H16N2O9S2
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504.48
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2-Naphthalenesulfonicacid, 7,7'-(carbonyldiimino)bis[4-hydroxy-
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205-142-9
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1.798 g/cm3
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1-Naphthol-3-sulfonicacid, 6,6'-ureylenebis- (6CI); 2-Naphthalenesulfonic acid, 7,7'-ureylenebis[4-hydroxy-(8CI); 5,5'-Dihydroxy-2,2'-dinaphthylcarbamide-7,7'-disulfonic acid;6,6'-Ureylenebis(1-naphthol-3-sulfonic acid);7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];7,7'-Ureylenebis(4-hydroxy-2-naphthalenesulfonic acid); Carbonyl J; I AcidUrea; J acid urea; N,N'-Bis(5-hydroxy-7-sulfo-2-naphthyl)urea;N,N'-Bis(7-sulfo-5-hydroxy-2-naphthyl)urea;N,N'-Bis[1-hydroxy-3-sulfonaphthyl(6)]urea;N,N'-Bis[1-oxy-3-sulfonaphthyl(6)]urea; NSC 1699; NSC 45174; Scarlet Acid; UreaJ Acid
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86-88°C
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详细信息
浅灰色至浅棕色粉末，含量≥85%，纯度≥92%，水不溶物≤0.5%。为偶氮染料用的中间体，用于制造直接橙S、直接耐酸大红4BS等
