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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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          1013221000
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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
              1013221000 04022536019390