Name: Pigment Red 2
Molecular Formula: C23H15Cl2N3O2
Molecular Weight: 436.29
CAS Number: 6041-94-7
EINECS No.: 227-930-1
Properties and Applications: Melting point 310 ~ 311 ℃. In concentrated sulfuric acid to red light purple, after dilution for titian; In concentrated nitric acid for blu-ray big red; In the sodium hydroxide solution which is constant. Mainly used in printing ink, paint, rubber and cultural and educational supplies coloring, and can also be used to viscose of protoplasm coloring.