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106278 Alizarin red S mono sodiumsalt (C.I. 58005)

106278
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
130-22-3 204-981-8 C₁₄H₇NaO₇S 342.26 g/mol

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1062780025
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      1062780100
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          Description
          Catalogue Number106278
          References
          Product Information
          CAS number130-22-3
          EC number204-981-8
          Hill FormulaC₁₄H₇NaO₇S
          Molar Mass342.26 g/mol
          HS Code3204 12 00
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          Biological Information
          Physicochemical Information
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          RTECSCB1095300
          Storage class10 - 13 Other liquids and solids
          WGKWGK 2 obviously 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
          Identity (UV/VIS-Spectrum)passes test
          1st transition rangepH 4.3 - pH 6.3 Lightly yellow - pink
          2nd transition rangepH 9.4 - pH 12.0 Brown orange - violet
          Absorption maximum λ 1 (buffer pH 4.3)418 - 424 nm
          Absorption maximum λ 2 (buffer pH 6.3)510 - 517 nm
          Absorption maximum λ 3 (buffer pH 9.4)444 - 450 nm
          Absorption maximum λ 4 (buffer pH 12.0)554 - 558 nm
          Spec. Absorptivity A 1%/1cm (λ1max; 0.01 g/l; buffer pH 4.3; calc. on dried substance)135 - 180
          Spec. Absorptivity A 1%/1cm (λ2max; 0.01 g/l; buffer pH 6.3; calc. on dried substance)145 - 210
          Spec. Absorptivity A 1%/1cm (λ3max; 0.01 g/l; buffer pH 9.4; calc. on dried substance)170 - 230
          Spec. Absorptivity A 1%/1cm (λ4max; 0.01 g/l; buffer pH 12.0; calc. on dried substance)340 - 520
          Loss on drying (110 °C)≤ 10 %