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Laurent's acid
Laurent's acid

Chemical name:1-Naphthylamine-5-Sulfonic Acid
Molecular formula:  C10H9NO3S
Molecular weight:  223.25
Applications: used for manufacturing of weak acid dyestuff.  
Product standard: Q/THYJ.J02-02-2001
Technical index:

IndexSuper gradeIndex value
AppearanceGray to rose pasty powder
Amino value ≥60%60%
Peri acid content ≤1.0%3.5%
Insoluble residue in ammonia water ≤0.5%1.2%

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