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.
Specifications
- Quality Standard
- Appearance:grey to light brown powder
- Content(J acid) % ≥90.0
- Purity(HPLC) %≥97.0
- Γ Acid- Calculation by 100% J acid %≤2.5
- Bis J Acid- Calculation by 100% J acid % ≤0.5
Features
- 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.
Main Products
Direct Dye,Neutral Dye,Dyestuff Intermediates