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108121 Bromocresol green

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108121
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Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
76-60-8200-972-8C₂₁H₁₄Br₄O₅S698.04 g/molACS,Reag. Ph Eur

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1081210001
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      Glass bottle 1 g
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      1081210005
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          Glass bottle 5 g
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          1081210025
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              Glass bottle 25 g
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              Description
              Catalogue Number108121
              Synonyms3,3',5,5'-Tetrabromo-m-cresolsulfonphthalein, BCG
              Product Information
              CAS number76-60-8
              EC number200-972-8
              GradeACS,Reag. Ph Eur
              Hill FormulaC₂₁H₁₄Br₄O₅S
              Molar Mass698.04 g/mol
              HS Code2934 99 99
              Structure formula ImageStructure formula Image
              Quality LevelMQ200
              Physicochemical Information
              Melting Point217 - 218 °C
              Bulk density350 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
              StorageNoTempLimit
              Specifications
              Identity (UV/VIS-Spectrum)passes test
              Clarity of solution (1 g/l; ethanol)passes test
              Transition rangepH 3.8 - pH 5.4 yellowish green - blue
              Absorptions maximum λ 1 max. (buffer pH 3.8)438 - 445 nm
              Absorptions maximum λ 2 max. (buffer pH 5.4)615 - 618 nm
              Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.01 g/l; buffer pH 3.8; calc. on dried substances)220 - 280
              Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.01 g/l; buffer pH 5.4; calc. on dried substances)460 - 590
              Loss on drying (110 °C)≤ 3 %
              Transition range (according to ACS)passes test
              Transition interval (according Reag. Ph Eur)pH 3.6 - pH 5.2 yellow - blue
              Sensitivity testpasses test
              Global Trade Item Number
              Catalogue Number GTIN
              1081210001 04022536100678
              1081210005 04022536100685
              1081210025 04022536100692