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Sodium hydrogen-4-amino-5-hydroxynaphthalene-2,7-disulphonate hydrate ≥80.0% (by total nitrogen and titration analysis)
Sodium hydrogen-4-amino-5-hydroxynaphthalene-2,7-disulphonate hydrate ≥80.0% (by total nitrogen and titration analysis)
Supplier:  TCI
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Sodium hydrogen-4-amino-5-hydroxynaphthalene-2,7-disulphonate hydrate ≥80.0% (by total nitrogen and titration analysis)
Supplier:  TCI

Specification Test Results

  • Appearance:
    White to Gray to Brown powder to crystal
  • Purity (Neutralization titration):
    min. 80.0 %
  • Purity (with Total Nitrogen):
    min. 80.0 %
  • Drying loss:
    max. 6.0 %
  • Sulfate:
    max. 5.0 %

Specification Test Results

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