2,4-Diaminobenzenesulfonic acid

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Product Name: MPDSA
Chemical Name: 2,4-Diaminobenzenesulfonic acid
Synonyms
: 3-Phenylenediamino-4-sulfonic acid; Meta-phenylenediamino-4-sulfonic acid;  O-AMINOSULFANILIC ACID;3-Phenylenediamino-4-sulfonic acid;1,3-Phenylendiamin-4-sulfonsure;META PHENYLENE DIAMINE 4-SULFONIC ACID;3-AMINO-4-SULFOANILINE;2,4-DIAMINOBENZENESULFONIC ACID;2,4-DIAMINOBENZENESULPHONIC ACID;2,4-DIAMINO-1-SULFOBENZENE
CAS No: 88-63-1
MF: C6H8N2O3S
MW:  188.2
Category
: Intermediate
Structure:

Descriptions:

Light brown crystals, precipitated from the water crystals were monoclinic. Soluble in hot water, slightly soluble in cold water, in the air gradually turned brown.

Use:

It is mainly used as intermediate for Reactive Yellow K-3G, Reactive Yellow M-5G, Reactive Brilliant Blue K-BR, Reactive Brilliant Blue K-6G, Reactive Brilliant Blue X-HG, GR, Reactive Brilliant Blue M-BR, Weak Acid Red FC, Acid Medium Brown RH.

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:

Appearance Light-white powder
Content ≥99%
Moisture ≤1.0%
Insoluble ≤0.1%
Melting point 260-266 °C
Package 25kg plastic woven bag