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33507 Sigma-Aldrich

2-Diazo-1-naphthol-5-sulfonic acid sodium salt hydrate

≥97.0%

Synonym: 6-Diazo-5,6-dihydro-5-oxonaphthalene-1-sulfonic acid sodium salt, 6-Diazo-5-hydroxy-1-naphthalenesulfonic acid sodium salt hydrate, Sodium 2-diazo-1-naphthol-5-sulfonate hydrate

  • CAS Number 2657-00-3

  • Empirical Formula (Hill Notation) C10H5N2NaO4S · xH2O

  • Molecular Weight 272.21 (anhydrous basis)

  •  Beilstein/REAXYS Number 6258917

  •  EC Number 220-189-5

  •  MDL number MFCD02091755

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Properties

assay   ≥97.0%
impurities   ≤12% water
Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3226A5 4.1
WGK Germany 
2

Documents

Certificate of Analysis (COA)

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