Acid orange 7

633-96-5

2-naphthol orange, Orange II, CI 15510, D&C Orange 4, COLIPA C015

Others

Others

C1=CC=C2C (=C1) C=CC (=C2N=NC3=CC=C (C=C3) S (=O) (=O) [O-]) O.[Na+]

C16H11N2NaO4S

Acid orange 7 (2-naphthol orange, Orange II, CI 15510, D&C Orange 4, COLIPA C015) is an azo dye used for dyeing wool.

3 years -20°C powder