Orthanilic Acid

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Product Name: Orthanilic Acid
Chemical Name: Aniline-2-sulfonic acid
: SULPHANILIC ACID;O-SULFANILIC ACID;ORTHANILIC ACID;O-ANILINESULFONIC ACID;O-AMINOBENZENESULFONIC ACID;1-Aminobenzene-2-sulfonic acid;2-amino-benzenesulfonic acid;2-sulfanilic acid
CAS No: 88-21-1
MW: 173.19
: Dyes Intermediate

Descriptions of Orthanilic Acid:

Off-white needle crystal.
Melting point> 300 °C
Soluble in concentrated hydrochloric acid, slightly soluble in water, insoluble in ethanol and ether.


Reactive dyes intermediate. It is mainly used for the activity of red K-2B, brilliant red K-2BP, brilliant red K-2G, brilliant red M-2B, brilliant red X-B, brilliant red X-10B, reactive purple K-3R 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.


Appearance Off-white needle crystal
Content ≥99%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point ≥300°C
Package 25KG/Bag

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