J Acid

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Product Name:?J Acid
Chemical Name:?7-Amino-4-naphthol-2-sulfonic acid
:?7-amino-4-hydroxy-2-naphthalenesulfonic acid;?7-Amino-4-hydroxynaphtalene-2-sulfonic acid;?7-Amino-4-naphthol-2-sulfonic acid
CAS No:?87-02-5
MW: 239.25
: Dyes Intermediate

Descriptions of J Acid:

Light gray powder or particles, pure white needle crystal. Soluble in hot water, insoluble in cold water, almost insoluble in ethanol. Soluble in soda and caustic soda and other alkaline solution.


The product is an important dye intermediate for the manufacture of azo dyes, such as direct Ching Lin R, direct light gray 2BL, direct acid purple, direct pink, direct copper stained blue, fast blue B2R, active red, brilliant orange , Grass green and red brown and other dyes, and can be used in the manufacture of scarlet acid and phenyl J acid.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package:?25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.

Specifications of J Acid:

Appearance White to creamy-white powder
Content ≥90%
Moisture ≤0.5%
Alkali insoluble ≤0.2%
Purity(HPLC) ≥97%
Package 25KG/Bag

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