Reference: B-026

5-Br-PAPS

5 - Br - PAPS 2-(5-Bromo-2-pyridylazo)-5-(N-n-propyl-N-(3- sulfopropyl)amino)phenol, disodium salt, dihydrate C17H19BRN4Na2O4S.2H2O.
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DESCRIPTION
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  • CAS # 158905-17-0
  • Chemical name: 2-(5-Bromo-2-pyridylazo)-5-(N-n-propyl-N-(3-sulfopropyl)amino)phenol, disodium salt, dihydrate
  • Molecular formula: C17H19BRN4Na2O4S.2H2O
  • Molecular weight: 537.34
  • Appearance: Reddish brown crystalline powder
  • Water (Karl Fisher): 5 - 10 %
  • Solubility (50ml/100ml H2O): Clear, reddish orange
  • Absorbance (blank): < 0.04 (552nm)
  • Absorbance: > 0.42
  • Sulfated ash: < 30 %
  • IR spectrum: Authentic
  • Storage: 2-8 °C. Protect from moisture and light
  • Stability: At least 12 months at 2-8°C.

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