2,3-Dihydroxynapthalene-6-sulfonic acid

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2,3-Dihydroxynapthalene-6-sulfonic acid

Chemical Name: 2,3-Dihydroxynapthalene-6-sulfonic acid

CAS No.: 135-53-5

Other names: 2,3-Dihydroxynaphthalene-6-sulfonate

Sodium 2,3-dihydroxynaphthalene-6-sulfonate

COUPLER III

Molecular Formula: C10H7NaO5S

Molecular weight: 262.21

Appearance: Off-white crystalline powder

Chemical Name: 2,3-Dihydroxynapthalene-6-sulfonic acid

CAS No.: 135-53-5

Other names: 2,3-Dihydroxynaphthalene-6-sulfonate

Sodium 2,3-dihydroxynaphthalene-6-sulfonate

COUPLER III

Molecular Formula: C10H7NaO5S

Molecular weight: 262.21

Appearance: Off-white crystalline powder

Item Specifications
Appearance White or off-white crystalline powder
Assay ≥98%
Iron content ≤20.0mg/kg

Used as dye intermediate and coupling agent for diazo photosensitive paper

25kg/drum

2,3-Dihydroxynapthalene-6-sulfonic acid
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