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N,N-Dimethyl-1,4-phenylenediamine Basic information
N,N-Dimethyl-1,4-phenylenediamine Chemical Properties
  • Melting point:34-36 °C(lit.)
  • Boiling point:262 °C(lit.)
  • Density 1.09
  • refractive index 1.5914 (estimate)
  • Flash point:130 °C
  • storage temp. 2-8°C
  • form crystalline
  • pka6?+-.0.12(Predicted)
  • color black
  • Water Solubility 11 g/L (20 ºC)
  • Sensitive Light Sensitive
  • Merck 14,3254
  • BRN 508105
  • Stability:Stable. Incompatible with acid chlorides, acid anhydrides, strong acids, strong oxidizing agents. Combustible.
  • CAS DataBase Reference99-98-9(CAS DataBase Reference)
  • NIST Chemistry Reference1,4-Benzenediamine, N,N-dimethyl-(99-98-9)
  • EPA Substance Registry SystemN,N-Dimethyl-p-benzenediamine (99-98-9)
Safety Information
N,N-Dimethyl-1,4-phenylenediamine Usage And Synthesis
  • Chemical Propertiesgrey to black solid
  • UsesBase for production of methylene blue, photodeveloper, reagent for detection of hydrogen sulfide, reagent for cellulose, organic synthesis, reagent for certain bacteria.
  • Synthesis Reference(s)Chemistry Letters, 9, p. 439, 1980
    Tetrahedron Letters, 34, p. 2441, 1993 DOI: 10.1016/S0040-4039(00)60436-7
  • General DescriptionColorless to reddish-violet solid. Used in the production of methylene blue and photographic developer. Used as a chemical intermediate for dyes and diazonium chloride salts and as an analytical reagent to detect chloroamine in water.
  • Reactivity ProfileN,N-Dimethyl-1,4-phenylenediamine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides. Incompatible with strong oxidizers, strong acids and acid anhydrides. Also incompatible with alkalis .
  • HazardToxic by ingestion or inhalation of vapor.
  • Health HazardLowest toxic dose with skin effect is 14 mg/kg. Irritant to skin and eyes.
  • Fire HazardWhen heated to decomposition, N,N-Dimethyl-1,4-phenylenediamine emits toxic fumes of nitrogen oxides.
N,N-Dimethyl-1,4-phenylenediamine Preparation Products And Raw materials
N,N-Dimethyl-1,4-phenylenediamine(99-98-9)Related Product Information
  • Company Name:Shanghai Aladdin Bio-Chem Technology Co.,LTD Gold
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