2-Aminophenol-4-sulfonic acid

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Product Name: 2-Aminophenol-4-sulfonic acid
Chemical Name: ORTHO AMINO PHENOL 4-SULFONIC ACID
Synonyms
: O-AMINOPHENOL-P-SULFONIC ACID;OAPSA;2-Aminophenol-1-sulfonicacid;3-amino-4-hydroxy-benzenesulfonicaci;Benzenesulfonicacid,3-amino-4-hydroxy-;3-AMINO-4-HYDROXYBENZENESULFONIC ACID;3-AMINO-4-HYDROXYBENZENESULFONIC ACID HYDRATE
CAS No: 98-37-3
MF: C6H7NO4S
MW: 189.19
Category
: Intermediate
Structure:

Descriptions of 2-Aminophenol-4-sulfonic acid:

Colorless to gray brown diamond crystal. Soluble in hot water, soluble in alkaline solution.

Use:

It is mainly used for intermediate intermediates for the production of acid-mediated orange LR, acid-mediated violet, active purple K-3R, direct light brown BRL, and so on.

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 2-Aminophenol-4-sulfonic acid:

Appearance Red-brown to off-white crystalline powder
Content ≥95%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point ≥300 °C
Package 25KG/Drum

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