101922 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate

101922
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaMolar Mass
      149-45-1 205-741-5 C₆H₄Na₂O₈S₂ * H₂O 332.22 g/mol

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      1019220100
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          Glass bottle 100 g
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          Description
          Catalogue Number101922
          Synonyms1,2-Dihydroxy-3,5-benzenedisulfonic acid disodium salt, di-Sodium 4,5-dihydroxy-1,3-benzenedisulfonate, Sodium pyrocatechol-3,5-disulfonate, Tiron
          References
          Product Information
          CAS number149-45-1
          EC number205-741-5
          Hill FormulaC₆H₄Na₂O₈S₂ * H₂O
          Molar Mass332.22 g/mol
          HS Code2908 99 00
          Structure formula ImageStructure formula Image
          Applications
          Biological Information
          Physicochemical Information
          Melting Point300 °C
          pH value5.0 (10 g/l, H₂O, 20 °C)
          Bulk density465 kg/m3
          Solubility1350 g/l
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Statement(s)H315: Causes skin irritation.
          H319: Causes serious eye irritation.
          Precautionary Statement(s)P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
          P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
          Signal WordWarning
          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
          Hazard Symbols Hazard SymbolsIrritant
          Categories of dangerirritant
          R PhraseR 36/38
          Irritating to eyes and skin.
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +15°C to +25°C.
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          Identity (UV/VIS-Spectrum)passes test
          Absorption maximum λmax. (buffer pH 2.5)290 - 291 nm
          Spec. Absorptivity A 1%/1cm (λmax; 0.05 g/l; buffer pH 2.5; calculated on anhydrous substance)100 - 125
          Water (according to Karl Fischer)4.5 - 6.5 %
          Suitability as indicator (for metal titration)passes test

          Documentation

          3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate SDS

          Title

          Safety Data Sheet (SDS) 

          3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate Certificates of Analysis

          Product Number PackagingSpecificationLot Number
          1019220100 Glass bottlePDF Specification Document