Sorachim
Reference: PSA-05C

5-Br-PSAA

2-(5-Bromo-2-pyridylazo)-5-(N-n-propyl-N-(3-  sulfopropyl)amino)aniline,sodium salt C17H21BrN5NaO3S .
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DESCRIPTION
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  • This chromogen is used for the detection of Fe(II) and Co(III) in clinical chemistry reagents. EDTA can dissolve
  • Cu(II) and Ni(II) cmplexes so it is useful to determine Fe in the presence of Cu and Ni. Fe(II) complexe absorbs
  • at 558nm / 89,000.
  • CAS 87035-60-7
  • Name 2-(5-bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)aniline
  • Appearance: Reddish orange or orange powder
  • Molecular weight: 478.34
  • Molecular formula: C17H21BrN5NaO3S
  • Absorbance : > 0.40 (458 nm)
  • (1.03 x 10-5 M in buffer)
  • Molar absorptivity: > 86 000 (558 nm) (Fe++ complex)
  • Solubility: 5 mg/10 ml water
  • Storage: 2 – 8 °C. Keep tightly closed. Protect from metal. Store in a dry place.
  • Stability: At least one year at 2 - 8 °C.

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