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104595 Calconcarboxylic acid

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
3737-95-9223-117-0C₂₁H₁₄N₂O₇S * 2 H₂O474.45 g/mol

Pricing & Availability

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1045950005
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      Glass bottle 5 g
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      1045950025
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          Glass bottle 25 g
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          Description
          Catalogue Number104595
          SynonymsPatton and Reeders Reagent, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-naphthalene-3-carboxylic acid
          References
          Product Information
          CAS number3737-95-9
          EC number223-117-0
          Hill FormulaC₂₁H₁₄N₂O₇S * 2 H₂O
          Molar Mass474.45 g/mol
          HS Code2927 00 29
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          Biological Information
          Physicochemical Information
          Melting Point300 °C
          Bulk density400 kg/m3
          Solubility8 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.
          H335: May cause respiratory irritation.
          Precautionary Statement(s)P261: Avoid breathing dust.
          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
          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
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +5°C to +30°C.
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          Identity (UV/VIS-Spectrum)passes test
          Appearance of solution (0.1 g/l; ethanol)passes test
          Absorption maximum λmax. (Ethanol)569 - 572 nm
          Spec. Absorptivity A 1%/1cm (λmax.; 0.025 g/l; ethanol; calc. on water free substance)≥ 250
          Water (according to Karl Fischer)≤ 9 %
          Suitability as indicator (for metal titration)passes test
          Global Trade Item Number
          Catalogue Number GTIN
          1045950005 04022536053202
          1045950025 04022536053219