N,N-Dimethyl-p-toluidine CAS 99-97-8

Physical and chemical properties

N,N-dimethyl-p-toluidine is a colorless or light yellow oily liquid with a rotten egg smell. Insoluble in water, soluble in some organic solvents, decomposed by light.


As an effective photoinitiator for the polymerization of acrylonitrile (AN), its polymerization speed is proportional to the 1.62 power of the AN concentration and the 0.62 power of the DMT concentration. This product is usually used as an accelerator. In addition, it can also be used as an additive for the synthesis of unsaturated polyester and adhesives.

resolve resolution
Using dimethyl sulfate as the methylating agent, N,N-dimethyl-p-toluidine is synthesized at low temperature and normal pressure.


chemical properties

CAS No. 99-97-8

Molecular formula C9H13N

Molecular weight 135.21

EINECS No. 202-805-4

Melting point -25 °C

Boiling point 211 °C (lit.)

Density 0.937 g/mL at 25 °C (lit.)

Vapor density > 1 (vs air) Vapor pressure 0.1 hPa (20 °C)

Refractive index n20/D 1.546 ( lit.)

Flash point 182°F


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Post time: Jul-05-2024