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Cas Database

Name	4-Methylaniline hydrochloride	EINECS	208-740-8
CAS No.	540-23-8	Density	1.193 g/cm3
PSA	26.02000	LogP	2.96040
Solubility	Soluble in water	Melting Point	243-245 ºC
Formula	C7H9 N . Cl H	Boiling Point	200.4oC
Molecular Weight	143.616	Flash Point	N/A
Transport Information	N/A	Appearance	white to light beige crystalline powder, crystals
Safety	Poison by intraperitoneal route. Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. When heated to decomposition it emits very toxic fumes of NO_x and HCl. See also p-TOLUIDINE.	Risk Codes	R23/24/25;R36;R40;R43;R50
Molecular Structure		Hazard Symbols
Synonyms	Benzenamine,4-methyl-, hydrochloride (9CI); p-Toluidine, hydrochloride (8CI);4-Aminotoluene hydrochloride; 4-Methylaniline hydrochloride; 4-Methylaniliniumchloride; 4-Methylbenzenamine hydrochloride; 4-Methylphenylammonium chloride;p-Methylaniline hydrochloride; p-Methylanilinium chloride; p-Toluidiniumchloride	Article Data	35

4-Methylaniline hydrochloride Chemical Properties

MF: C₇H₁₀ClN
MW: 143.61
EINECS: 208-740-8
Flash Point: 84.5 °C
Melting Point:243-245 ºC
Enthalpy of Vaporization: 43.36 kJ/mol
Vapour Pressure: 0.379 mmHg at 25°C
IUPAC Name: 4-methylaniline hydrochloride
Boiling Point of P-Toluidine hydrochloride (540-23-8): 197.4 °C at 760 mmHg
Synonyms: 4-methylaniliniumchloride ; 4-methylbenzenaminehydrochloride ; 4-methyl-benzenaminhydrochloride ; p-methylaniliniumchloride ; 4-Toluidine hydrochloride ; 4-Amino-1-methylbenzene hydrochloride ; 4-Aminotoluene hydrochloride ; 4-Methylaniline hydrochloride
Following is the molecular structure of P-Toluidine hydrochloride (540-23-8):

4-Methylaniline hydrochloride Toxicity Data With Reference

1.	orl-rat LD50:1285 mg/kg	JPETAB Journal of Pharmacology and Experimental Therapeutics. 167 (1969),223.
2.	ipr-rat LD50:265 mg/kg	NCIBR* Progress Report for Contract No. NIH-NCI-E-68-1311, Submitted to the National Cancer Institute by Bio-Research Consultants, Inc. (9 Commercial Ave., Cambridge, MA 02141) NCI-E-68-1311 ,1973.
3.	ipr-mus LD50:399 mg/kg	NCIBR* Progress Report for Contract No. NIH-NCI-E-68-1311, Submitted to the National Cancer Institute by Bio-Research Consultants, Inc. (9 Commercial Ave., Cambridge, MA 02141) NCI-E-68-1311 ,1973.

4-Methylaniline hydrochloride Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

4-Methylaniline hydrochloride Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. When heated to decomposition it emits very toxic fumes of NO_x and HCl.
Safety Information of P-Toluidine hydrochloride (540-23-8):
Hazard Codes: T,N
T: Toxic N: Dangerous for the environment
Risk Statements: 23/24/25-36-40-43-50
23/24/25: Toxic by inhalation, in contact with skin and if swallowed
36: Irritating to the eyes
40: Limited evidence of a carcinogenic effect
43: May cause sensitization by skin contact
50: Very Toxic to aquatic organisms
Safety Statements: 28-36/37-45-61
28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
36/37: Wear suitable protective clothing and gloves
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
61: Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR: UN 2811 6.1/PG 1
WGK Germany: 3
RTECS: XU7525000
HazardClass: 6.1(a)
PackingGroup: II

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