Place of Origin : Shiheung,South Korea

1. Other Names:
C.I. 42080, C.I. Acid Blue 7 100%, sodium salt, Patent Blue A, Acid Blue A.
2. Specification.
Molecular Formula C37H35N2NaO6S2
Molecular Weight 690.8
P.H. Value 6.0-7.0
Density g cm3 1.6
Oil Absorption ml 100g 35-45
Light Fastness 5
Heat Resistance 180 C
Water Resistance 5
Oil Resistance 4
Acid Resistance 5
Alkali Resistance 5