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2-Naphthol-6-Sulfonic Acid,Sodium Salt(Schaeffer’s Acid,Sodium Salt)

 

CAS NO.135-76-2
Molecular Formula: C₁₀H₇O₄SNa
Molecular Weight: 246
Constructural Formula:

Specification
Appearance: White powder
Content: ≥85.0%
HPLC: ≥99.0%
Beta Naphthol: ≤0.1%
R+G Salt:≤0.5%
Insoluble matters in water: ≤0.1%
Fe:≤25ppmPb:≤5ppm
Hg:≤1ppmAs:≤1ppm
Packing : 25kgs net plastic woven bag or customer’s asked
Uses : Dye Intermediate