Acid orange 5 is a compound with formula Na(C6H5NHC6H4N=NC6H4SO3). It is an azo dye. It is also used as a pH indicator; it is red in pH under 1.4, orange-yellow in pH over 3.2.
基本信息
英文名:
Orange IV
CAS号.:
554-73-4
别名:
Aniline Yellow;
Aniline Yellow;
Golden Lotus Orange OO;
orange 5;
Golden Lotus Orange OO;
分子式:
C18H14N3NaO3S
分子量:
375.37700
PSA:
102.33000
LogP:
5.90350
物化属性
外观:
橙色-黄色鳞片或黄色粉末
密度:
熔点:
沸点:
闪点:
储存条件:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
