Acid orange 5
Acid orange 5 is a compound with formula Na. 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.
Acid orange 5 is a compound with formula Na. 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.