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| CAS No.: | 636-21-5 |
|---|---|
| Name: | O-TOLUIDINE HYDROCHLORIDE |
| Article Data: | 7 |
| Molecular Structure: | |
|
|
|
| Formula: | C7H9 N . Cl H |
| Molecular Weight: | 143.616 |
| Synonyms: | Benzenamine,2-methyl-, hydrochloride (9CI); o-Toluidine, hydrochloride (8CI);2-Methylaniline hydrochloride; 2-Methylbenzenamine hydrochloride;2-Methylphenylammonium chloride; o-Methylaniline hydrochloride; o-Toluidiniumchloride |
| EINECS: | 211-252-8 |
| Density: | 1.0968 (rough estimate) |
| Melting Point: | 215-217 °C(lit.) |
| Boiling Point: | 200.4 °C at 760 mmHg |
| Flash Point: | 85 °C |
| Solubility: | <0.1 g/100 mL at 22 C in water |
| Appearance: | White crystalline solid |
| Hazard Symbols: |
 T
|
| Risk Codes: | 45-20/21/22 |
| Safety: | Confirmed carcinogen with experimental carcinogenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of HCl and NOx. See also o-TOLUIDINE. |
| Transport Information: | UN 2811 6 |
| PSA: | 26.02000 |
| LogP: | 2.96040 |
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Chemistry
IUPAC Name: 2-Methylaniline hydrochloride
CAS: 636-21-5
Formula: C7H10ClN
Molecular Weight: 143.61
Molecular Structure of 2-Methylaniline hydrochloride (CAS NO.636-21-5):
Melting Point: 215-217 °C(lit.)
Flash Point: 85 °C
Enthalpy of Vaporization: 43.66 kJ/mol
Boiling Point: 200.4 °C at 760 mmHg
Vapour Pressure: 0.325 mmHg at 25°C
Appearance: white crystalline powder
Water Solubility: Insoluble in water.
Toxicity Data With Reference
| 1. | mma-sat 50 µg/plate | PMRSDJ Progress in Mutation Research. 1 (1981),351. | ||
| 2. | dnr-esc 500 mg/L | PMRSDJ Progress in Mutation Research. 1 (1981),195. | ||
| 3. | dnd-bcs 20 µL/disc | PMRSDJ Progress in Mutation Research. 1 (1981),175. | ||
| 4. | sln-smc 50 mg/L | PMRSDJ Progress in Mutation Research. 1 (1981),468. | ||
| 5. | orl-rat TDLo:117 g/kg/101W-C:CAR | NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-153 ,1979. | ||
| 6. | orl-mus TDLo:146 g/kg/2Y-C:CAR | NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-153 ,1979. | ||
| 7. | orl-rat LD50:2951 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 167 (1969),223. | ||
| 8. | ipr-rat LD50:150 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. | ||
| 9. | orl-mus LD50:1100 mg/kg | GTPZAB Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 25 (8)(1981),50. | ||
| 10. |
Consensus Reports
NTP 10th Report on Carcinogens. IARC Cancer Review: Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 27 ,1982,p. 155.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . NCI Carcinogenesis Bioassay (feed); Clear Evidence: mouse, rat NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-153 ,1979. . EPA Genetic Toxicology Program. Community Right-To-Know List. Reported in EPA TSCA Inventory.
Safety Profile
Confirmed carcinogen with experimental carcinogenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of HCl and NOx. See also o-TOLUIDINE.
Safety Information about 2-Methylaniline hydrochloride (CAS NO.636-21-5):
Hazard Codes:
T: 
Risk Statements about 2-Methylaniline hydrochloride (CAS NO.636-21-5):
R45: May cause cancer.
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements about 2-Methylaniline hydrochloride (CAS NO.636-21-5):
S53: May cause long-term adverse effects in the aquatic environment.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
RIDADR: UN 2811 6.1/PG 2
WGK Germany: 3
RTECS: XU735000
HazardClass: 6.1(a)
PackingGroup: II
Specification
2-Methylaniline hydrochloride with CAS number of 636-21-5 is also called for O-aminotoluene hydrochloride ; O-toluidine hydrochloride ; O-toluidinium chloride ; 1-Amino-2-methylbenzenehydrochloride ; 1-Methyl-2-aminobenzenehydrochloride ; 2-Methyl-1-aminobenzenehydrochloride ; 2-Methylbenzenaminehydrochloride ; 2-Methyl-benzenaminhydrochloride .