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Packaging: 25Kg/drum or as demand
White crystal, melting point is 272℃. Difficultly soluble in water, good solubility in hot water. Easily soluble in alkali-creating correspondence sulfonate, then coupling to lithol scarlet with 2-naphthol.

For dyestuff intermediates, J-Acid, Lithol Scarlet, Naphthol and Reactive Orange38, Red141, 196, 220, etc.
English Name: 2-naphylamine-1-sulfonic acid; 2-amino-1-naphylenesulfonic acid; Tobias acid
Other names: Tobias acid; 2-aminonaphthalene-1-sulfonic acid; 2-amino-1-naphthalenesulfonic acid; debias acid; Tobias acid
CAS No.: 81-16-3
Level: AR
Content: ≥ 98.0%
Burning residue: ≤ 0.1%
Properties: crystal in hot water is colorless, transparent and lamellar crystal, crystal in cold water is white needle like water crystal. Soluble in hot water, slightly soluble in cold water, very slightly soluble in ether
Purpose: biochemical research. Organic synthesis. It is an intermediate of azo dye, used to manufacture J acid and γ acid, chromophenol AS-SW, reactive red k-1613, organic violet red, lisol violet red and lisol red
Preservation: RT, dark
2-Aminonaphthalene-1-sulfonic acid
CAS NO.81-16-3
Appearance:White needle-like crystals
Used for:Dyestuffs
Brief Introduction of Tobias acid 97% purity CAS81-16-3 HY
Product Name Tobias acid
CAS 81-16-3
Molecular weight 223.25
Molecular formula C10H9NO3S
Brand Qinmu
Appearance powder
Package 25kg drum
Usage dyestuff intermediate

Post time: Oct-12-2020