Bromocresol purple IND

Description

C₂₁H₁₆Br₂O₅S
BCP
M.W: 540.22  CAS: 115-40-2  EC: 204-087-8  TARIC: 29349990

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• Transition range pH 5.2 – 6.8
• yellow to purple
• Appearance of solution conforms
• Sensitivity Passes test
• Loss on drying (110 °C) ≤ 1%
• Absorption maximum λ_2max (pH 5.2) 427 – 431nm
• Absorption maximum λ_2max (pH 6.8) 588 – 590nm
• Absorptivity pH5.2 on dried substance 400 – 450nm
• Absorptivity pH6.8 on dried substance 1000 – 1100nm

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