Shenyang Joinunion Chemical Technology Co.,Ltd.

Search：
You are here: HomeProductsMethyl red

Contact us

  • Company Name: Shenyang Joinunion Chemical Technology Co.,Ltd.
  • Street: Int'l Dept.R1212-13 Rongda Int'l Bldg.No.90 South Jingxing St.Tiexi Dist.110023 ShenyangCHINA
  • City: Shenyang
  • Country/region: China
  • Tel: 86-24-25439091
  • Fax: 86-24-25439093
  • Email:

Methyl red

  • CAS No:493-52-7 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
    Molecular Structure

    Detailed Description

    Methyl red
    CAS NO.: 493-52-7
    Synonyms: p - Dimethylaminoazobenzene - carboxylic acid
    Molecular formula: C15H15O2N3
    Molecular weight: 269.30
    Property : shiny , purple crystal. dissolved in ethanol and acetic acid, undissolved in water.
    Use: acid-base indicator.. Adsorption indicator.
    Storage require: sealed .
    Range of melting point : 172.0 - 182.0 (2C spacing)
    Range of PH: 4.2 (red)-6.2 (yellow)
    Solubility test in ethanol: passed
    Residue on ignition (sulfate): 0.2% Max.
    Oxidated test (bromine): passed