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N,N-Diethylaniline Basic information
N,N-Diethylaniline Chemical Properties
  • Melting point:-38 °C
  • Boiling point:217 °C(lit.)
  • Density 0.938 g/mL at 25 °C(lit.)
  • vapor density 5.2 (vs air)
  • vapor pressure 1 mm Hg ( 49.7 °C)
  • refractive index n20/D 1.542(lit.)
  • Flash point:208 °F
  • storage temp. Store below +30°C.
  • solubility water: soluble1g in 70ml at 12°C
  • form Liquid
  • pka6.61(at 22℃)
  • color Clear yellow
  • PH8 (0.1g/l, H2O, 20℃)
  • explosive limit1.1-5.3%(V)
  • Water Solubility 14 g/L (12 ºC)
  • Merck 14,3114
  • BRN 742483
  • Stability:Stable. Combustible. Incompatible with strong oxidizing agents, strong acids.
  • CAS DataBase Reference91-66-7(CAS DataBase Reference)
  • NIST Chemistry ReferenceBenzenamine, N,N-diethyl-(91-66-7)
  • EPA Substance Registry SystemN,N-Diethylaniline (91-66-7)
Safety Information
  • Hazard Codes T,N
  • Risk Statements 23/24/25-33-51/53
  • Safety Statements 28-37-45-61-28A
  • RIDADR UN 2432 6.1/PG 3
  • WGK Germany 2
  • RTECS BX3400000
  • 8
  • Autoignition Temperature500 °C
  • Hazard Note Toxic
  • TSCA Yes
  • HS Code 2921 42 00
  • HazardClass 6.1
  • PackingGroup III
  • Hazardous Substances Data91-66-7(Hazardous Substances Data)
  • ToxicityLD50 orally in Rabbit: 610 mg/kg LD50 dermal Rat > 5000 mg/kg
  • Language:EnglishProvider:DEA
  • Language:EnglishProvider:SigmaAldrich
  • Language:EnglishProvider:ACROS
  • Language:EnglishProvider:ALFA
N,N-Diethylaniline Usage And Synthesis
  • Chemical Propertieslight yellow liquid
  • Chemical PropertiesN,N-Diethylaniline is a pale yellow liquid. It is slightly soluble in water (1.40 g/L at 12°C), and soluble in alcohol and ether.
  • UsesN,N-Diethylaniline is used in dyestuffs and in the synthesis of other intermediates and pharmaceuticals.
  • UsesAs dyestuff intermediate, in organic syntheses.
  • UsesDEA (diethanolamine) is an organic alkali used in formulations to neutralize organic acids and thus adjust pH. It is usually listed on ingredient labels preceding the compound that it is neutralizing. oleth-3 phosphate, for example, is a powerful emulsifier, but it is very acidic when it is made, so manufacturers use DeA to neutralize it and improve the nature of a formulation.
  • Synthesis Reference(s)Chemistry Letters, 15, p. 293, 1986
    Journal of the American Chemical Society, 95, p. 3038, 1973 DOI: 10.1021/ja00790a064
  • General DescriptionA colorless to yellow liquid with a fishlike odor, that is strongly corrosive. Irritating to skin, eyes and mucous membranes and moderately toxic by inhalation, absorption and ingestion. Flash point 185°F. Used in dyes and in the production of organic chemicals.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity ProfileN,N-Diethylaniline 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.
  • Health HazardMay be fatal if inhaled, swallowed or absorbed through the skin. Vapor or mist is irritant to the eyes, mucous membranes, upper respiratory tract; causes skin irritation. Absorption into the body leads to the formation of methemoglobin which, in sufficient concentration, may cause cyanosis. Onset may be delayed 2-4 hours or longer. Exposure can cause nausea, dizziness, headache, damage to the eyes, and blood effects.
  • Fire HazardSpecial Hazards of Combustion Products: Emits toxic fumes under fire conditions.
  • Safety ProfileModerately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of NOx. See also ANILINE DYES.
  • Purification MethodsReflux the base for 4hours with half its weight of acetic anhydride, then fractionally distil it under reduced pressure (b 92o/10mm). [Beilstein 12 IV 252.]
N,N-Diethylaniline Preparation Products And Raw materials
N,N-Diethylaniline(91-66-7)Related Product Information
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