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105225 Cresol red

indicator Reag. Ph Eur

Cresol red MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: o-Cresolsulfonphthalein

CAS #: 1733-12-6 EC Number: 217-064-2 Molar Mass: 382.43 g/mol Hill Formula: C₂₁H₁₈O₅S Grade: Reag. Ph Eur
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105225
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
1733-12-6217-064-2C₂₁H₁₈O₅S382.43 g/molReag. Ph Eur

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      Description
      Catalogue Number105225
      Synonymso-Cresolsulfonphthalein
      References
      Product Information
      CAS number1733-12-6
      EC number217-064-2
      GradeReag. Ph Eur
      Hill FormulaC₂₁H₁₈O₅S
      Molar Mass382.43 g/mol
      HS Code2934 99 99
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      Biological Information
      Physicochemical Information
      Density0.998 g/cm3
      Melting Point290 °C decomposes
      Bulk density600 - 620 kg/m3
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 3 highly hazardous to water
      Disposal3
      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
      Specifications
      Appearance of solution(0,5 g/l; ethanol)passes test
      Identity (UV/VIS-Spectrum)passes test
      1st transition rangepH 0.5 - pH 2.5 pink - brownish yellow
      2nd transition rangepH 6.5 - pH 8.5 yellow - purple
      Absorption maximum λ 1 max. (buffer pH 0.5)517 - 520 nm
      Absorption maximum λ 2 max. (buffer pH 2.5)432 - 436 nm
      Absorption maximum λ 3 max. (buffer pH 6.5)432 - 436 nm
      Absorption maximum λ 4 max. (buffer pH 8.5)571 - 574 nm
      Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 0.5; calc. on dried substances)≥ 1200
      Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 2.5; calc. on dried substances)490 - 570
      Spec. Absorptivity A 1%/1cm (λ 3 max.; 0.005 g/l; buffer pH 6.5; calc. on dried substances)490 - 610
      Spec. Absorptivity A 1%/1cm (λ 4 max.; 0.005 g/l; buffer pH 8.5; calc. on dried substances)1000 - 1190
      Loss on drying (110 °C)≤ 5 %
      Sensitivity testpasses test
      Global Trade Item Number
      Catalogue Number GTIN
      1052250005 04022536062419