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106202 1-Naphtholbenzein


Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaMolar MassGrade Value
145-50-6205-656-3C₂₇H₁₈O₂374.43 g/molReag. Ph Eur

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      Glass bottle 5 g
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      Catalogue Number106202
      Product Information
      CAS number145-50-6
      EC number205-656-3
      GradeReag. Ph Eur
      Hill FormulaC₂₇H₁₈O₂
      Molar Mass374.43 g/mol
      HS Code2914 50 90
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Biological Information
      Physicochemical Information
      Melting Point243 - 245 °C
      Bulk density120 - 300 kg/m3
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Statement(s)H413: May cause long lasting harmful effects to aquatic life.
      Precautionary Statement(s)P273: Avoid release to the environment.
      P501: Dispose of contents/ container to an approved waste disposal plant.
      Storage class10 - 13 Other liquids and solids
      WGKWGK 2 obviously 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 at +2°C to +30°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Identity (IR-spectrum)passes test
      Identity (UV/VIS-Spectrum)passes test
      Absorption maximum λmax. (perchloric acid (0,1 mol/l) in acetic acid)622 - 626 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; perchloric acid (0,1 mol/l) in acetic acid; calculated on dried substance)640 - 950
      Transition rangepH 8,0 - pH 9,6; apricot - turquoiseblue
      Loss on Drying (105°C)≤ 7 %
      Suitability as indicator (for non-aqueous titration)passes test
      Global Trade Item Number
      Catalog Number GTIN
      1062020005 04022536073675

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      Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Indicators for Pharmacopoeia Analysis
      Reagents, Chemicals and Labware > Inorganic Reagents > Safety Products and General Applications > Indicators > Acid Alkali Indicators or pH Indicators