猩紅酸
猩紅酸
猩紅酸是一款化工原料,分子式為C21H16N2O9S2,分子量是504.4897。
猩紅酸
英文名稱:4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid
英文別名:7,7-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid]; 5,5-DIHYDROXY-7,7-DISULPHO-2,2-DINAPHTHYL UREA; J Acid Urea; Bis-J Acid; 4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid); 7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid]; 6,6'-ureylene-bis(1-naphthol-3-sulfonic acid); phosgenated; N,N'-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea; 7,7'-Ureylenebis(4-hydroxy-2-naphthalenesulfonic acid); N,N'-Bis[6-(1-naphthol-3-sulfonic acid)]urea; 2-Naphthalenesulfonic acid, 7,7-(carbonyldiimino)bis4-hydroxy-; 4-hydroxy-7-{[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoyl]amino}naphthalene-2-sulfonic acid
分子量:504.4897
為偶氮染料用的中間體,用於製造直接橙S、直接耐酸大紅4BS等。
CAS號:134-47-4
EINECS號:205-142-9
1、摩爾折射率:122.38
2、摩爾體積(m3/mol):280.5
3、等張比容(90.2K):909.2
4、表面張力(dyne/cm):110.3
5、極化率(10-24cm3):48.51