CAS号: 91-34-9 英文名称: 4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid 英文同义词: Direct Yellow 4 dye;75508-33-7 (Di-potassium salt);68966-53-0 (Hydrochloride salt);3051-11-4 (Di-hydrochloride salt);75673-23-3 (Potassium.hydrochloride salt);79069-96-8 (Potassium.hydrochloride salt);4,4''-Vinylenebis(4'-hydroxyazobenzene-3-sulfonic acid);4,4'-Bis(p-hydroxyphenylazo)-2,2'-stilbenedisulfonic acid;4,4'-Bis(4-hydroxyphenylazo)stilbene-2,2'-disulfonic acid;4,4'-Bis[(4-hydroxyphenyl)azo]-2,2'-stilbenedisulfonic acid 中文名称: 中文同义词: 分子式: C26H20N4O8S2 分子量: 580.59 EPA化学物质信息: C.I. Direct Yellow 4 (91-34-9)