CAS No.99-97-8,N,N-DIMETHYL-P-TOLUIDINE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	99-97-8
Name:	N,N-DIMETHYL-P-TOLUIDINE
Article Data:	237
Cas Database

Formula:	C₉H₁₃N
Molecular Weight:	135.209
Synonyms:	p-Toluidine,N,N-dimethyl- (7CI,8CI);1-(Dimethylamino)-4-methylbenzene;Dimethyl-p-toluidine;
EINECS:	202-805-4
Density:	0.94 g/cm³
Melting Point:	-25°C
Boiling Point:	211.6 °C at 760 mmHg
Flash Point:	84.2 °C
Solubility:	Miscible with alcohol, ether and chloroform. Immiscible with water.
Appearance:	light yellow liquid
Hazard Symbols:
Risk Codes:	23/24/25-33-52/53
Safety:	28-36/37-45-61
PSA:	3.24000
LogP:	2.06100

Chemistry

IUPAC Name: N,N,4-trimethylaniline
Synonyms of N,N,4-Trimethylaniline (CAS NO.99-97-8): Benzenamine, N,N,4-trimethyl- ; Dimethyl-p-toluidine ; Dimetil-p-toluidina ; N,N-Dimethyl-4-methylaniline ; N,N-Dimethyl-p-toluidine ; p-Methyl-N,N-dimethylaniline
CAS NO: 99-97-8
Molecular Formula: C₉H₁₃N
Molecular Weight: 135.21
Molecular Structure:
EINECS: 202-805-4
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 3.24 Å²
Index of Refraction: 1.544
Molar Refractivity: 45.39 cm³
Molar Volume: 143.6 cm³
Surface Tension: 33.9 dyne/cm
Density: 0.94 g/cm³
Flash Point: 84.2 °C
Enthalpy of Vaporization: 44.79 kJ/mol
Boiling Point: 211.6 °C at 760 mmHg
Vapour Pressure: 0.181 mmHg at 25°C
Melting Point: -25°C
Appearance: light yellow liquid
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.

Uses

N,N,4-Trimethylaniline (CAS NO.99-97-8) is used for making the automatic coagulation held water.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	212mg/kg (212mg/kg)		Archivio Italiano di Scienze Farmacologiche. Vol. 1, Pg. 284, 1951.
rat	LC50	inhalation	1400mg/m³/4H (1400mg/m³)	SENSE ORGANS AND SPECIAL SENSES: ULCERATED NASAL SEPTUM: OLFACTION LUNGS, THORAX, OR RESPIRATION: DYSPNEA LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION	National Technical Information Service. Vol. OTS0573706,

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Safety Information about N,N,4-Trimethylaniline (CAS NO.99-97-8):
Hazard Codes: Toxic T
Risk Statements: 23/24/25-33-52/53
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 Statements: 28-36/37-45-61
S28: After contact with skin, wash immediately with plenty of soap-suds.
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.
RIDADR: 1708
WGK Germany: 3
F: 8-10-23
HazardClass: 6.1
Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x.

Analytical Methods

For occupational chemical analysis use NIOSH: Amines, Aromatic, 2002.

Specification

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing.
Storage: Store in a cool, dry place. Store in a tightly closed container.