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4-Amino-3-hydroxy-1-naphthalenesulfonic acid
(33466513 | 116-63-2)

CAS: 116-63-2
Molecular Formula: H2NC10H5(OH)SO3H
Molecular Weight: 239.25
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
4-Amino-3-hydroxy-1-naphthalenesulfonic acid Chemical Structure
33466513-25g 25g £29.50
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33466513-25g 25g €41.30
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33466513-25g 25g $44.30
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Safety Data Sheet
Certificate of Analysis
Product Detail
Product Code 33466513
Product Name 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
Categories Analytical Reagents Building Blocks Organics
CAS 116-63-2
Molecular Formula H2NC10H5(OH)SO3H
Molecular Weight 239.25
Storage Details Ambient
Harmonised Tariff Code 2922210090
Product Specification
Solubility In sodium carbonate: passes test
Sulfate ≤ 0.2%
Assay ≥ 90%
Sensitivity to phosphate passes test
Appearance White to slightly brownish-pink to light purple powder
Residue after Ignition ≤ 0.1%
Safety Information
Pictograms
Exclamation Mark
Signal word warning
Hazard statements
  • H315: Causes skin irritation
  • H319: Causes serious eye irritation
  • H335: May cause respiratory irritation
Precautionary statements
  • P261: Avoid breathing dust/fume/gas/mist/vapours/
  • P280: Wear: protective gloves/ clothing & eye protection
  • P305+351+338: IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P333+313: IF skin irritation or a rash occurs: Get medical advice/attention
  • P337+313: If eye irritation persists get medical advice/attention