CAS号: 134-47-4

　　中文名称: 猩红酸

　　中文同义词: 7,7-(羰基二亚氨基)二(4-羟基-2-萘磺酸); 6,6'-(1,3-亚脲基)双(1,1'-萘酚)-3,3'-磺酸; 双J酸; 猩红酸; 腥红酸; 苯甲腈,2-氨基-5-碘; 5,5'-二羟基-7,7-二磺酸基-2,2'-二萘基脲; 7,7'-(羰基双(氮杂二基))双(4-羟基萘-2-磺酸)

　　英文名称: 6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)

　　英文同义词: Scarlet Acid; AMI 1; AMI-1 free acid; Urea J Acid; 4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid); 6,6'-ureylenbis-1-naphthol-3-sulfonic acid; I Acid Urea; 7,7-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid]; N,N'-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea; 7,7'-Ureylenebis(4-hydroxy-2-naphthalenesulfonic acid); phosgenated; 2-Naphthalenesulfonic acid, 7,7-(carbonyldiimino)bis4-hydroxy-; 4-hydroxy-7-{[(5-hydroxy-7-sulfonaph; 6,6'-ureylene-bis(1-naphthol-3-sulfonic acid); 66UREYLENEBIS1NAPHTHOL3SULPHONICACIDDISODIUMSALT; 7,7'-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic aci; 7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid]; 7,7'-(Carbonylbis(azanediyl))bis(4-hydroxynaphthalene-2-sulfonic acid); NSC45174; Bis-J Acid; 6,6'-Ureylenebis(1-naphthol-3-sulfonic acid); 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-; J Acid Urea; Carbonyl J Acid; 5,5-DIHYDROXY-7,7-DISULPHO-2,2-DINAPHTHYL UREA; J ACID UREA, FREE ACID; N,N'-Bis[6-(1-naphthol-3-sulfonic acid)]urea

　　分子式: C21H16N2O9S2

　　分子量: 504.49

　　密度: 1.798 g/mL

　　折射率: 1.822

　　EINECS号: 205-142-9

　　海关编码: 2922210000

　　用途: 134-47-4（猩红酸）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。