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108294 Thorin

indicator for sulfate titration

Thorin MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 1-(2-Arsonophenylazo)-2-hydroxy-3,6-naphthalene-disulfonic acid sodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)-benzene-arsonic acid sodium salt

CAS #: 3688-92-4 EC Number: 222-993-1 Molar Mass: 576.3 g/mol Hill Formula: C₁₆H₁₁AsN₂Na₂O₁₀S₂
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108294
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
3688-92-4222-993-1C₁₆H₁₁AsN₂Na₂O₁₀S₂576.3 g/mol

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      Description
      Catalogue Number108294
      Synonyms1-(2-Arsonophenylazo)-2-hydroxy-3,6-naphthalene-disulfonic acid sodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)-benzene-arsonic acid sodium salt
      References
      Product Information
      CAS number3688-92-4
      EC index number033-002-00-5
      EC number222-993-1
      Hill FormulaC₁₆H₁₁AsN₂Na₂O₁₀S₂
      Molar Mass576.3 g/mol
      HS Code2931 90 59
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      Biological Information
      Physicochemical Information
      pH value6.1 (10 g/l, H₂O, 20 °C)
      Bulk density700 kg/m3
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H301 + H331: Toxic if swallowed or if inhaled.
      H410: Very toxic to aquatic life with long lasting effects.
      Precautionary Statement(s)P261: Avoid breathing dust.
      P264: Wash skin thoroughly after handling.
      P271: Use only outdoors or in a well-ventilated area.
      P273: Avoid release to the environment.
      P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor.
      P304 + P340 + P311: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor.
      Signal WordDanger
      Storage class6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
      WGKWGK 3 highly hazardous to water
      Disposal9
      Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
      Safety Information
      Categories of dangertoxic, dangerous for the environment
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +2°C to +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 3465 , 6.1, II
      Declaration (transport by air) IATA-DGRUN 3465 , 6.1, II
      Declaration (transport by sea) IMDG-CodeUN 3465 , 6.1, II
      Supplemental Information
      Specifications
      Identity (UV/VIS-Spectrum)passes test
      Absorption maximum λmax. (Propan-2-ol)480 - 490 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; propan-2-ol; calc. on anhydrous substance)250 - 350
      Water (according to Karl Fischer)≤ 25 %
      Suitability as indicator (for sulfate titration)passes test
      Global Trade Item Number
      Catalogue Number GTIN
      1082940005 04022536102160

      Related Products & Applications

      Categories

      Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Sulfur Compounds > Sulfonic Acids and Derivatives > Sulfonic Acid Esters and Salts
      Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Azo- and Hydrazo Compounds
      Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Organoelement Compounds > Arsenic and Selenic Compounds
      Reagents, Chemicals and Labware > Inorganic Reagents > Safety Products and General Applications > Indicators > Complex or Metal Indicators