SoleChem

n,n-Dimethyl-p-toluidine

CAS 99-97-8
EC 202-805-4
Formula C9H13N
MW 135.21 g/mol
Amines Plastics & PolymersPrinting & PackagingFood & Nutrition Cross-linking & CuringCatalysisFlavoring & Acidulant

Description

N,N-Dimethyl-p-toluidine (CAS 99-97-8, EC 202-805-4) is a tertiary aromatic amine supplied as a light yellow liquid, also referenced under the names 4-dimethylaminotoluene, N,N,4-trimethylaniline, and dimethyl-p-tolyl-amine. It carries no assigned E-code and is catalogued under HS code 29214300.

In polymer and coatings applications, it functions as a room-temperature accelerator for peroxide-initiated curing systems, activating benzoyl peroxide to generate free radicals without applied heat. It also serves as a co-initiator in UV-curable printing inks, where it donates electrons to excited photoinitiators to accelerate crosslinking, and appears as a flavoring agent in food and nutrition formulations.

This material is available in standard industrial grades and is subject to REACH registration requirements within the EU. Procurement teams should confirm current SDS documentation and substance restrictions before ordering. Packaging formats and minimum order quantities are available on request from our sales team.

Physical Properties

Melting Point 203 °C
Boiling Point 215 °C
Density 0.9 g/cm³
Flash Point 182 °F
Appearance light yellow liquid
Color Clear yellow
Form Liquid
Water Solubility Miscible with alcohol, ether and chloroform. Immiscible with water.
Vapor Pressure 0.1 hPa (20 °C)
Refractive Index n 20/D 1.546(lit.)
Log P 1.729-2.81 at 35℃

Safety & Handling (Learn More)

Danger GHS06 GHS08 GHS09 GHS07
H
H227H301H302H311H317H331H332H336H350H351H370H372H373H401H402H410H411H412H301+H311+H331
P
P203P210P260P261P262P264P270P271P272P273P280P316P317P318P319P321P330P391P403P405P501P301+P316P301+P317P302+P352P304+P340P308+P316P333+P317P361+P364P362+P364P370+P378P403+P233

Trade & Regulatory

HS Code 29214300
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany) 3

Other Names

N,N,4-trimethylanilineN,N,4-trimethylbenzenamineDMPTDimethyl-p-toluidinedimethyl-4-toluidine4,N,N-TRIMETHYLANILINEDimethyl-p-tolyl-amine4-DIMETHYLAMINOTOLUENE

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