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103023 Bromophenol red

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Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
2800-80-8 220-538-1 C₁₉H₁₂Br₂O₅S 512.20 g/mol

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      Glass bottle 5 g
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      Catalogue Number103023
      Synonyms3',3''-Dibromophenolsulfonphthalein, BPR
      Product Information
      CAS number2800-80-8
      EC number220-538-1
      Hill FormulaC₁₉H₁₂Br₂O₅S
      Molar Mass512.20 g/mol
      HS Code2934 99 90
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Biological Information
      Physicochemical Information
      Melting Point230 °C (decomposition)
      Bulk density770 kg/m3
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 3 highly hazardous to water
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +2°C to +30°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Identity (UV/VIS-Spectrum)passes test
      Transition rangepH 4.7 - pH 6.3 yellow to purple
      Absorption maximum λ 1 (buffer pH 4.7)435 - 440 nm
      Absorption maximum λ 2 (buffer pH 6.3)574 - 577 nm
      Spec. Absorptivity A 1%/1cm (λ1max; 0.01 g/l; buffer pH 4.7; calculated on anhydrous substance)≥ 380
      Spec. Absorptivity A 1%/1cm (λ2max; 0.01 g/l; Puffer pH 6.3; calculated on anhydrous substance)≥ 760
      Water (according to Karl Fischer)≤ 5 %