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Methyl orange

  • CAS No:547-58-0 Methyl Orange
    Molecular Structure

    Detailed Description

    Methyl orange
    CAS NO.: 547-58-0
    Synonyms: P -Dimethylaminoazobenzenesul fonic acid sodium salt; Orange III.
    Molecular formula: C14H14N3NaO3S
    Molecular weight: 327.33
    Property : Orange chip crystal or crystalline powder. one of azo pigment. dissolved in hot water; hard dissolved in cool water, ethanol and ether. heated and resolution..
    Use: acid-base indicator.. volume mode tests stannum.
    Range of PH: 3.0 (red) - 4.4 (yellow)
    Sensitivity test : Passed
    Solubility test in water: passed
    Residue on ignition (sulfate): 18.5 -22.0%
    Oxide: passed