Indophenol is an organic compound with the formula OC6H4NC6H4OH. It is deep blue dye that is the product of the Berthelot's reaction, a common test for ammonia. The indophenol group, with various substituents in place of OH and various ring substitutions, is found in many dyes used in hair coloring and textiles.

CAS：500-85-6
中文别名：N-(对羟苯基)-对苯醌;N-(对二甲胺基苯)-1,4-萘醌亚胺;
英文别名：4-(4-hydroxyphenyl)iminocyclohexa-2,5-dien-1-one;EINECS 207-913-5;Benzochinon-(1.4)-mono-(4-oxy-anil);[1,4]Benzochinon-mono-(4-hydroxy-phenylimin);[1,4]benzoquinone-mono-(4-hydroxy-phenylimine);4-((4-Hydroxyphenyl)imino)-2,5-cyclohexadien-1-one;INDOPHENOL;2,5-Cyclohexadien-1-one,4-[(4-hydroxyphenyl)imino];N-(4-Hydroxyphenyl)-p-benzoquinone monoimine;2,5-Cyclohexadien-1-one, 4-[(4-hydroxyphenyl)imino]-;
分子式：C12H9NO2
分子量：199.205
精确质量：199.063
Psa：49.66
Logp：2.1598

EINECS号：207-913-5

密度：1.18g/cm3
沸点：360ºC at 760mmHg
熔点：>300°C(lit.)
闪点：171.5ºC
折射率：1.6

RTECS号：GU5778000
安全说明：S26-S36
危险类别码：R36/37/38
WGK Germany：3
海关编码：2925290090
危险品标志：Xi