English name: 2-Naphthylamine-1-sulfonic acid; 2-Amino-1-naphthalenesulfonic acid; Tobias acid
Other names: Tobias acid; 2-aminonaphthalene-1-sulfonic acid; 2-amino-1-naphthalenesulfonic acid; debias acid; tonic acid
CAS number: 81-16-3
C10H9NO3S = 223.25
Level: AR
Content: ≥98.0%
Residue on ignition: ≤0.1%
Properties: The crystals in hot water are colorless transparent flake crystals, and the crystals in cold water are white needle-shaped water-containing crystals. It is soluble in hot water, slightly soluble in cold water, and very slightly soluble in ethanol and ether. Uses: biochemical research. Organic Synthesis. It is an azo dye intermediate, used to manufacture J acid and γ acid, Naphthol AS-SW, Reactive Red K-1613, Organic Violet Red, Lisol Violet and Lisol Red
Save: RT, protect from light
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