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101322 Methyl orange (C.I. 13025)

indicator ACS,Reag. Ph Eur

Methyl orange (C.I. 13025) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt, Gold orange, Helianthine, Orange III

CAS #: 547-58-0 EC Number: 208-925-3 Molar Mass: 327.34 g/mol Hill Formula: C₁₄H₁₄N₃NaO₃S Grade: ACS,Reag. Ph Eur
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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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          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 29
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          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 Pictogram(s)
          Hazard Statement(s)H301: Toxic if swallowed.
          Precautionary Statement(s)P264: Wash skin thoroughly after handling.
          P270: Do not eat, drink or smoke when using this product.
          P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor.
          P405: Store locked up.
          P501: Dispose of contents/ container to an approved waste disposal plant.
          Signal WordDanger
          Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
          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
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +2°C to +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 3143 , 6.1, III
          Declaration (transport by air) IATA-DGRUN 3143 , 6.1, III
          Declaration (transport by sea) IMDG-CodeUN 3143 , 6.1, III
          Supplemental Information
          Specifications
          Identity (UV/VIS-Spectrum)passes test
          Clarity of solution (1 g/l; water)passes test
          Transition rangepH 3.1 - pH 4.4 pink - orange yellow
          Absorption maximum λ 1 max. (buffer pH 3.1)501 - 505 nm
          Absorption maximum λ 2 max. (buffer pH 4.4)466 - 471 nm
          Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.01 g/l; buffer pH 3.1; calc. on dried substances) 1000 - 1150
          Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.01 g/l; buffer pH 4.4; calc. on dried substances)730 - 850
          Loss on drying (110 °C)≤ 5 %
          Transition range (according to ACS)passes test
          Sensitivity testpasses test
          Global Trade Item Number
          Catalogue Number GTIN
          1013220025 04022536019369
          1013220100 04022536019383