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N,N-Dimethyl-4-methylaniline

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N,N-Dimethyl-4-methylaniline

EINECS 202-805-4
CAS No. 99-97-8 Density 0.94 g/cm3
PSA 3.24000 LogP 2.06100
Solubility Miscible with alcohol, ether and chloroform. Immiscible with water. Melting Point -25°C
Formula C9H13N Boiling Point 211.6 °C at 760 mmHg
Molecular Weight 135.21 Flash Point 84.2 °C
Transport Information Appearance light yellow liquid
Safety 28-36/37-45-61 Risk Codes 23/24/25-33-52/53
Molecular Structure Molecular Structure of 99-97-8 (N,N,4-Trimethylaniline) Hazard Symbols
Synonyms

p-Toluidine,N,N-dimethyl- (7CI,8CI);1-(Dimethylamino)-4-methylbenzene;Dimethyl-p-toluidine;

 

N,N-Dimethyl-4-methylaniline Chemical Properties

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.

N,N-Dimethyl-4-methylaniline Uses

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

N,N-Dimethyl-4-methylaniline 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,

N,N-Dimethyl-4-methylaniline Consensus Reports

Reported in EPA TSCA Inventory.

N,N-Dimethyl-4-methylaniline Safety Profile

Safety Information about N,N,4-Trimethylaniline (CAS NO.99-97-8):
Hazard Codes: ToxicT
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 NOx.

N,N-Dimethyl-4-methylaniline Analytical Methods

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

N,N-Dimethyl-4-methylaniline 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.

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