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

103168
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      Overview

      Replacement Information

      Key Spec Table

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

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      Catalogue NumberAvailability Packaging Qty/Pack Price Quantity
      1031680025
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          Glass bottle 25 g
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          Description
          Catalogue Number103168
          Synonyms2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
          References
          Product Information
          CAS number3564-14-5
          EC number222-639-6
          Hill FormulaC₂₀H₁₃N₂NaO₅S
          Molar Mass416.39 g/mol
          HS Code3204 19 00
          Structure formula Image
          Applications
          ApplicationEriochrome blue-black B (C.I. 14640) metal indicator. CAS 3564-14-5, pH 9.5 (10 g/l, H₂O, 20 °C). MSDS and product info below.
          Biological Information
          Physicochemical Information
          pH value9.5 (10 g/l, H₂O, 20 °C)
          Bulk density540 kg/m3
          Solubility20 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat > 5000 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s)
          Hazard Statement(s)H319: Causes serious eye irritation.
          Precautionary Statement(s)P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
          RTECSQK2195000
          Storage class10 - 13 Other liquids and solids
          WGKWGK 2 water endangering
          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 Irritant
          Categories of dangerirritant
          R PhraseR 36
          Irritating to eyes.
          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 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