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101322 | Methyl orange (C.I. 13025)

101322
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      Overview

      Replacement Information

      Key Spec Table

      CAS #EC NumberHill FormulaMolar MassGrade Value
      547-58-0208-925-3C₁₄H₁₄N₃NaO₃S327.34 g/molACS,Reag. Ph Eur

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      Catalogue NumberAvailability Packaging Qty/Pack Price Quantity
      1.01322.0025
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          Glass bottle 25 g
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          Description
          Catalogue Number101322
          Synonyms4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt, Gold orange, Helianthine, Orange III
          References
          Product Information
          CAS number547-58-0
          EC number208-925-3
          GradeACS,Reag. Ph Eur
          Hill FormulaC₁₄H₁₄N₃NaO₃S
          Molar Mass327.34 g/mol
          HS Code2927 00 00
          Structure formula Image
          Applications
          ApplicationMethyl orange (C.I. 13025) indicator ACS,Reag. Ph Eur. CAS 547-58-0, pH 6.5 (5 g/l, H₂O, 20 °C).
          Biological Information
          Physicochemical Information
          Melting Point>300 °C
          pH value6.5 (5 g/l, H₂O, 20 °C)
          Bulk density200 - 400 kg/m3
          Solubility5 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 60 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s)
          Hazard Statement(s)H301: Toxic if swallowed.
          Precautionary Statement(s)P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
          Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
          WGKWGK 3 highly water endangering
          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
          Hazard Symbols Toxic
          Categories of dangertoxic
          R PhraseR 25
          Toxic if swallowed.
          S PhraseS 37-45
          Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +5°C to +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 2811 , 6.1, I
          Declaration (transport by air) IATA-DGRUN 2811 , 6.1, I
          Declaration (transport by sea) IMDG-CodeUN 2811 , 6.1, I
          Supplemental Information
          Specifications
          Transition rangepH 3.1 - pH 4.4 pink - orange yellow
          Appearance of solutionpasses test
          Loss on drying (110 °C)≤ 5
          Transition range (according to ACS)passes test
          Sensitivity testpasses test