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103168 Eriochrome blue-black B (C.I. 14640)


Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
3564-14-5222-639-6C₂₀H₁₃N₂NaO₅S416.39 g/mol

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      Glass bottle 25 g
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      Catalogue Number103168
      Synonyms2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
      Product Information
      CAS number3564-14-5
      EC number222-639-6
      Hill FormulaC₂₀H₁₃N₂NaO₅S
      Molar Mass416.39 g/mol
      HS Code3212 90 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Biological Information
      Physicochemical Information
      pH value9.5 (10 g/l, H₂O, 20 °C)
      Bulk density540 kg/m3
      Solubility20 g/l
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat > 5000 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H319: Causes serious eye irritation.
      Precautionary Statement(s)P264: Wash skin thoroughly after handling.
      P280: Wear eye protection/ face protection.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      P337 + P313: If eye irritation persists: Get medical advice/ attention.
      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
      Categories of dangerirritant
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Identity (UV/VIS-Spectrum)passes test
      Absorption maximum λmax. (buffer pH 10.0)634 - 644 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; buffer pH 10.0; calculated on anhydrous substance)220 - 320
      Loss on drying (110 °C)≤ 10 %
      Suitability as indicator (for metal titration)passes test
      Global Trade Item Number
      Catalog Number GTIN
      1031680025 04022536040387


      Eriochrome blue-black B (C.I. 14640) SDS


      Safety Data Sheet (SDS) 

      Eriochrome blue-black B (C.I. 14640) Certificates of Analysis

      Product Number PackagingSpecificationLot Number
      1031680025 Glass bottlePDF Specification Document