N,N-Dimethylaniline CAS#121-69-7
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N,N-Dimethylaniline CAS#121-69-7

N,N-Dimethylaniline is an organic compound with amine and methyl groups attached to a benzene ring. It is a colorless liquid with a characteristic amine odor. This compound is primarily used as a chemical intermediate in the synthesis of dyes, pigments, and polymers. Its reactivity makes it a valuable building block in the production of various organic compounds, particularly in the pharmaceutical and chemical industries.

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N,N-Dimethylaniline CAS#121-69-7

N,N-Dimethylaniline Chemical Properties
Melting point 1.5-2.5 °C (lit.)
Boiling point 193-194 °C (lit.)
density 0.956 g/mL at 25 °C (lit.)
vapor density 3 (vs air)
vapor pressure 2 mm Hg ( 25 °C)
refractive index n20/D 1.557(lit.)
Fp 158 °F
storage temp. Store below +30°C.
solubility 1.2g/l
form Liquid
pka 5.15(at 25℃)
color Clear yellow
Relative polarity 0.179
PH 7.4 (1.2g/l, H2O, 20℃)
explosive limit 1.2-7%(V)
Water Solubility 1 g/L (20 ºC)
Merck 14,3234
BRN 507140
Henry’s Law Constant 4.98(x 10-6 atm?m3/mol) at 20 °C (approximate – calculated from water solubility and vapor pressure)
Exposure limits NIOSH REL: TWA 5 ppm (25 mg/m3), STEL 10 ppm (50 mg/m3), IDLH 100 ppm; OSHA PEL: TWA 5 ppm; ACGIH TLV: TWA 5 ppm, STEL 10 ppm (adopted).
Dielectric constant 4.4000000000000004
Stability: Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides, chloroformates, halogens. Combustible.
InChIKey JLTDJTHDQAWBAV-UHFFFAOYSA-N
LogP 1.171 at 35℃
CAS DataBase Reference 121-69-7(CAS DataBase Reference)
NIST Chemistry Reference Benzenamine, N,N-dimethyl-(121-69-7)
IARC 3 (Vol. 57) 1993
EPA Substance Registry System N,N-Dimethylaniline (121-69-7)

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