J Acid
2-Amino-5-Naphthol-7-Sulfonic Acid
Molecular formula: C10H9NO4S
Molecular weight: 239.25
CAS NO.: 87-02-5
EINECS: 201-718-9
Appearance: grey to light brown powder
Specification:
Purity(HPLC): 90.0% min
Purity(HPLC): 97.0% min
Γ Acid- Calculation by 100% J acid: 1.5% max
Bis J Acid- Calculation by 100% J acid: 0.2% max
Property: The dry of J-acid is grey powder, difficultly soluble in water. Easily soluble alkali-creating correspondence salt. The liquid of its’ sodium salt is blue fluorescence. It’s the chlorine compound of J acid is acicular yellow crystal, soluble in water, can be coupled to purple dyes by itself when in the sodium carbonate solution.
Usage: J acid is one of the important dyestuff intermediates. It is used for production many dyes as the material, such as direct copper blue 151,direct scarlet 23, reactive Brown K3R, carbonyl-j-acid and Bis-J-Acid etc.
Packing: 25 kg bag