Chemical Additives

N,N-Dimethyl-p-toluidine CAS No.: 99-97-8

N,N-Dimethyl-p-toluidine CAS No.: 99-97-8 Appearance: Light yellow liquid. Specifications Purity: ≥99.00% Detailed Composition: N,N-Dimethyl-p-toluidine: 99.48% N,N-Dimethyl-o-toluidine: 0...

Category：Chemical Additives

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Introduction

N,N-Dimethyl-p-toluidine

CAS No.: 99-97-8
Appearance: Light yellow liquid.

Specifications

Purity: ≥99.00%
Detailed Composition:
- N,N-Dimethyl-p-toluidine: 99.48%
- N,N-Dimethyl-o-toluidine: 0.02%
- N-Methyl-p-toluidine: 0.29%
- Other impurities: 0.21%

Applications

Dye intermediate for chemical synthesis.
Solvent and stabilizer in industrial processes.
Analytical reagent and photoinitiator for acrylonitrile (AN) polymerization.

Packaging & Transportation

Standard packaging: 190 kg/drum.
Custom packaging: Available per buyer’s request.

Storage

Store in a well-ventilated area.
Keep containers tightly sealed to prevent contamination or evaporation.

Names and Identifiers

Name	N,N-Dimethyl-p-toluidine
Synonyms	Dimethyl-p-toluidine dimethyl-4-toluidine N,N-Dimethyl-p-toluidine N,N-DIMETHYL-4-TOLUIDINE N,N-DIMETHYL-P-TOLUIDINE N,N,4-TRIMETHYLBENZENAMINE N,N-DIMETHYL-PARA-TOLUIDINE N,N-DIMETHYL-4-METHYLANILINE Benzeneamine,N,N,4-trimethyl-
CAS	99-97-8
EINECS	202-805-4
InChI	InChI=1/C9H13N/c1-8-4-6-9(7-5-8)10(2)3/h4-7H,1-3H3

99-97-8 – Physico-chemical Properties

Molecular Formula	C9H13N
Molar Mass	135.21
Density	0.937
Melting Point	-25°C
Boling Point	211℃
Flash Point	83℃
Water Solubility	Miscible with alcohol, ether and chloroform. Immiscible with water.
Vapor Presure	0.1 hPa (20 °C)
Refractive Index	1.545
Physical and Chemical Properties	Physical and chemical properties N,N-dimethylp-toluidine is a colorless or light yellow oily liquid with rotten egg flavor, melting point 130.31 ℃, boiling point 211.5-212.5 ℃, severe 0.9287~0.9366 g/mL at normal temperature, refractive index 1.5360~1.5470, insoluble in water, soluble in some organic solvents, and decomposed in light.
Use	For the preparation of self-curing dental water

99-97-8 – Risk and Safety

Hazard Symbols	T – Toxic
Risk Codes	R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R33 – Danger of cumulative effects R52/53 – Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S36/37 – Wear suitable protective clothing and gloves. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 – Avoid release to the environment. Refer to special instructions / safety data sheets.
UN IDs	1708

99-97-8 – Upstream Downstream Industry

Downstream Products

Acid Violet 48
N-METHYL-P-TOLUIDINE
N,4′-DIMETHYLFORMANILIDE

99-97-8 – Security information

WGK Germany	3
RTECS number	XU5803000
F	8-10-23
auto-ignition temperature	425 °C
TSCA	Yes
customs code	2921 43 00
HazardClass	6.1
PackingGroup	II
toxic substance data	99-97-8(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 1650 mg/kg