1-Amino-2-naphthol-4-sulfonic acid

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Product Name: ?1-Amino-2-naphthol-4-sulfonic acid
Chemical Name: ?1-Amino-2-naphthol-4-sulfonic acid
:?1,2,4-acid;1-Amino-2-naphthol-4-sulfonic;1-amino-4-sulfo-2-naphthol;1-Naphthalenesulfonicacid,4-amino-3-hydroxy-;4-amino-3-hydroxy-1-naphthalenesulfonicaci;LABOTEST-BB LT00454379;4-AMINO-3-NAPHTHOL-1-SULFONIC ACID
CAS No:?116-63-2
MW: 239.25
: Dyes Intermediate

Descriptions of?1-Amino-2-naphthol-4-sulfonic acid:

Finished as a light purple gray paste, insoluble in cold water, ethanol, ether, soluble in hot water.
With aromatic sulfonic acid and aromatic amine nature, in the air is oxidized, the appearance becomes rosy red.


For acidic media dyes and acid complex dyes.
For example: C.I. Acid Violet 90,91.
C.I. Acid Blue 155,158,161,168,193. C.I. Acid Red 7.C.I. Acid Black 1.?C.I. Acid Black 11.?C.I. Acid Black 17.

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 1-Amino-2-naphthol-4-sulfonic acid:?

Appearance gray paste
Content ≥70%
Moisture ≤10.0%
Insoluble ≤0.1%
Melting point n/a
Package 25KG/Bag

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