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103025 Bromocresol purple

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103025
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Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
115-40-2204-087-8C₂₁H₁₆Br₂O₅S540.24 g/molACS,Reag. Ph Eur

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1.03025.0005
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      Glass bottle 5 g
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      1.03025.0025
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          Glass bottle 25 g
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          Description
          Catalogue Number103025
          Synonyms5',5''-Dibromo-o-cresolsulfonphthalein
          Product Information
          CAS number115-40-2
          EC number204-087-8
          GradeACS,Reag. Ph Eur
          Hill FormulaC₂₁H₁₆Br₂O₅S
          Molar Mass540.24 g/mol
          HS Code2934 99 99
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Physicochemical Information
          Melting Point242 °C
          Bulk density515 kg/m3
          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.
          Storage and Shipping Information
          StorageStore at +2°C to +30°C.
          Specifications
          Identity (UV/VIS-Spectrum)passes test
          Clarity of solution (1 g/l; ethanol)passes test
          Transition rangepH 5.2 - pH 6.8 greenish yellow - blue violet
          Absorption maximum λ 1 max. (buffer pH 5.2)429 - 433 nm
          Absorption maximum λ 2 max. (buffer pH 6.8)587 - 590 nm
          Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 5.2; calc. on dried substances)400 - 470
          Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 6.8; calc. on dried substances)1000 - 1160
          Loss on drying (110 °C)≤ 2 %
          Transition range (according to ACS)passes test
          Sensitivity testpasses test
          Global Trade Item Number
          Catalogue Number GTIN
          1.03025.0005 04022536038988
          1.03025.0025 04022536038995