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Wholesaler 115-40-2 in stock

  • CasNo115-40-2
  • Molecular FormulaC21H16Br2O5S
  • Purity5.2 (yellow)-6.8 (purple)
  • Appearancelight purple crystal powder
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Product Details

Quick Details

  • CasNo： 115-40-2
  • Molecular Formula： C21H16Br2O5S
  • Appearance： light purple crystal powder
  • Delivery Time： 5-7days
  • Throughput： 1000|Kilogram|Month
  • Purity： 5.2 (yellow)-6.8 (purple)

Product Description

   
Product name Bromocresol Purple
Cas number  115-40-2
Molecular formula C21H16Br2O5S
Molecular weight 540.22
Appearance light purple crystal powder
PH color gamut 5.2 (yellow)-6.8 (purple)
Maximum absorption wavelength (nm) λ1 (PH 5.2): 427~431
  λ2 (PH 6.8): 588~590
Mass absorption coefficient (L/cm·g) α1(λ1PH 5.2 on dries): 40.5~45.0
  α2 (λ2PH 6.8 on dries): 100.0~110.0
Loss on drying ≤0.5%
Dilute alkali dissolution test Conforms
Ignition residue (calculated as sulfate) ≤0.1%

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