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: 0.02%​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

 Nature

vapor density	>1 (vs air)
Vapor pressure	0.1 hPa (20 °C)
refractive index	n20/D 1.546(lit.)
flash point	182 °F
storage conditions	Store below +30°C.
solubility	0.65g/l
acidity coefficient (pKa)	pK1:7.24(+1) (25°C)
morphology	Liquid
color	Clear yellow
explosion limit value (explosive limit)	7%
water solubility	Miscible with alcohol, ether and chloroform. Immiscible with water.
BRN	774409
stability	Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey	GYVGXEWAOAAJEU-UHFFFAOYSA-N
(IARC) Carcinogen Classification	2B (Vol. 115) 2018
EPA chemical information	N,N,4-Trimethylaniline (99-97-8)

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.