Rojo de fenol IND ACS

Descripción

C₁₉H₁₄O₅S
Fenolsulfonftaleína
M.W: 354,38  CAS: 143-74-8  EC: 205-609-7  TARIC: 29349990

H: H315;H335  P: P261;P264;P271;P280;P302+P352;P304+P340;P403+P233;P501  

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• Appearance ≤ Reddish powder
• Visual transition range ≤ From pH 6.8 (yellow) – 8.2 (red)
• Absorption maxima at pH 6.5(1) 430 – 435nm
• Absorption maxima at pH 8.2(2) 557 – 560nm
• Loss on drying (110 °C) ≤ 5%
• Clarity of solution ≤ Passes ACS test

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