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

for analysis and indicator

Alizarin red S mono sodiumsalt (C.I. 58005) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
CAS #: 130-22-3 EC Number: 204-981-8 Molar Mass: 342.3 g/mol Hill Formula: C₁₄H₇NaO₇S
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106278
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Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
130-22-3204-981-8C₁₄H₇NaO₇S342.3 g/mol

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          Description
          Catalogue Number106278
          Product Information
          CAS number130-22-3
          EC number204-981-8
          Hill FormulaC₁₄H₇NaO₇S
          Molar Mass342.3 g/mol
          HS Code3212 90 00
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Safety Information according to GHS
          RTECSCB1095300
          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
          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 %
          Global Trade Item Number
          Catalogue Number GTIN
          1.06278.0025 04027269141714
          1.06278.0100 04027269141721