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102498 Chromotropic acid disodium salt dihydrate


Replacement Information
Replacement InformationIn North America 102498.0025 replaces and has a superior specification to DX1460-1

Key Specifications Table

CAS #EC NumberHill FormulaMolar MassGrade Value
5808-22-0204-972-9C₁₀H₆Na₂O₈S₂ * 2 H₂O400.29 g/molACS,Reag. Ph Eur

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      Plastic bottle 25 g
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      Catalogue Number102498
      Synonyms4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt
      Product Information
      CAS number5808-22-0
      EC number204-972-9
      GradeACS,Reag. Ph Eur
      Hill FormulaC₁₀H₆Na₂O₈S₂ * 2 H₂O
      Molar Mass400.29 g/mol
      HS Code2908 99 30
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Biological Information
      Physicochemical Information
      Melting Point300 °C
      pH value3.6 (10 g/l, H₂O, 20 °C)
      Bulk density780 kg/m3
      Solubility170 g/l
      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.
      H335: May cause respiratory irritation.
      Precautionary Statement(s)P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
      P264: Wash skin thoroughly after handling.
      P271: Use only outdoors or in a well-ventilated area.
      P280: Wear protective gloves/ eye protection/ face protection.
      P302 + P352: IF ON SKIN: Wash with plenty of 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
      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 below +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDKein Gefahrgut
      Declaration (transport by air) IATA-DGRNo Dangerous Good
      Declaration (transport by sea) IMDG-CodeNo Dangerous Good
      Supplemental Information
      Appearancegreyish white to brownish white powder
      Assay (acidimetric, calc. on anhydrous substance)≥ 98.5 %
      Identity (IR-spectrum)passes test
      Appearance of solution (5 %; water)passes test
      Water (according to Karl Fischer)8.5 - 9.5 %
      Sensitivity (of formaldehyde)passes test
      Sensitivity (of nitrate)passes test


      Chromotropic acid disodium salt dihydrate SDS


      Safety Data Sheet (SDS) 

      Chromotropic acid disodium salt dihydrate Certificates of Analysis

      Product Number PackagingSpecificationLot Number
      1024980025 Plastic bottlePDF Specification Document

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