99% Dyestuff Intermediate J Acid; 2-Amino-5-Naphthol-7-Sulfonic Acid CAS 87-02-5
Features
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Product Details:
Name: 1-Naphthol-4-sulfonic acid
Synonyms:
1-naphthol-4-sulphonic acid;
1-Naphthol-4-sulfoni;
1-Naphthalenesulfonic acid, 4-hydroxy-;
1-oxynaphthalene-4-sulphonic acid;
naphthalene 1-hydroxy-4-sulfonic acid;
1-hydroxy-4-naphthalenesulfonic acid;
1-hydroxy-naphthalene-4-sulphonic acid;
CAS: 84-87-7
EINECS:201-568-4
MF:C10H8O4S
MW:224.23300
Density: 1.55 g/cm3
BP: 427ºC
MP: 170℃
FP: N/A
Purity: 95%+
Refractive index: 1.703
Storage condition: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Stability:Stable under normal temperature and pressure
Appearance: Transparent flake crystal. Soluble in water.
Acidity factor (pKa):0.73±0.40(Predicted)
Package: 5g, 25g, 100g, 500g, 1kg, 25kg
Application: Used as an intermediate of azo dyes