91-34-9

• 常用中文名：4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid
• 常用英文名：4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid
• CAS号：91-34-9
• 分子式：C₂₆H₂₀N₄O₈S₂
• 分子量：580.58900
• 发布时间：2016-07-14 22:40:27
• 更新时间：2025-09-25 11:36:20

名称

• 英文名: 5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid
• 英文别名: Direct Yellow 4 dye; Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis(5-((4-hydroxyphenyl)azo); C.I. DIRECT YELLOW 4; 4,4'-Bis-(4-hydroxy-phenylazo)-stilben-2,2'-disulfonsaeure; (Stilben-disulfonsaeure-(2.2'))-4.4'-bis-[(azo 4)-phenol]; 4,4'-Bis((4-hydroxyphenyl)azo)stilbene-2,2'-disulphonic acid; 4,4'-bis-(4-hydroxy-phenylazo)-stilbene-2,2'-disulfonic acid; EINECS 202-062-6; Brillantgelb; 4,4'-Bis-(4-hydroxy-benzolazo)-stilbendisulfonsaeure-(2,2')

物化性质

• 密度: 1.5g/cm3
• 分子式: C₂₆H₂₀N₄O₈S₂
• 分子量: 580.58900
• 精确质量: 580.07200
• PSA: 208.42000
• LogP: 5.58400
• 折射率: 1.691