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| CAS No.: | 150-68-5 |
|---|---|
| Name: | MONURON |
| Molecular Structure: | |
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|
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| Formula: | C9H11 Cl N2 O |
| Molecular Weight: | 198.652 |
| Synonyms: | Urea,3-(p-chlorophenyl)-1,1-dimethyl- (8CI); 1,1-Dimethyl-3-(4-chlorophenyl)urea;1,1-Dimethyl-3-(p-chlorophenyl)urea; 1-(4-Chlorophenyl)-3,3-dimethylurea;1-(p-Chlorophenyl)-3,3-dimethylurea; 3-(4-Chlorophenyl)-1,1-dimethylurea;3-(p-Chlorophenyl)-1,1-dimethylurea; CMU; Karmex Monuron Herbicide; Karmex W.monuron herbicide; Monuron; N,N-Dimethyl-N'-(4-chlorophenyl)urea;N-(4-Chlorophenyl)-N',N'-dimethylurea; N-(p-Chlorophenyl)-N',N'-dimethylurea;NSC 8949; N'-(4-Chlorophenyl)-N,N-dimethylurea; Telvar; Telvar MonuronWeedkiller; Telvar W. monuron weedkiller |
| Density: | 1,27g/cm3 |
| Melting Point: |
173-174 °C(lit.) |
| Boiling Point: | 358.8°Cat760mmHg |
| Flash Point: | 170.8°C |
| Solubility: | 262mg/L(25 oC) |
| Hazard Symbols: |
 
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| Risk Codes: | 22-40-50/53 |
| Safety: | Moderately toxic by ingestion, intraperitoneal, and possibly other routes. Experimental teratogenic and reproductive effects. Questionable carcinogen with experimental carcinogenic data. Mutation data reported. An herbicide. When heated to decomposition it emits very toxic fumes of NOx and Cl−. |
| PSA: | 32.34000 |
| LogP: | 2.50650 |
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Chemistry
Empirical Formula: C9H11ClN2O
Molecular Weight: 198.6494
EINECS: 205-766-1
Index of Refraction: 1.595
Density: 1.255 g/cm3
Flash Point: 170.8 °C
Melting point: 173-174 °C(lit.)
Storage tempreture: 0-6 °C
Solubility: Insoluble in water
Boiling Point: 358.8 °C at 760 mmHg
Vapour Pressure: 2.48E-05 mmHg at 25 °C
Appearance: White crystalline solid or white powder with a slight odor
Structure of Monuron (CAS NO.150-68-5):
Product Category of Monuron (CAS NO.150-68-5): Alpha sort;Urea structure;Herbicides;Pesticides & Metabolites
Uses
Monuron (CAS NO.150-68-5) can be used as an herbicide.
Toxicity Data With Reference
| 1. | mma-sat 1 µg/plate | MUREAV Mutation Research. 58 (1978),353. | ||
| 2. | dni-mus-orl 200 mg/kg | MUREAV Mutation Research. 58 (1978),353. | ||
| 3. | otr-ham:emb 5 mg/L | CRNGDP Carcinogenesis. 4 (1983),291. | ||
| 4. | orl-rat LD50:1053 mg/kg | FAATDF Fundamental and Applied Toxicology. 7 (1986),299. | ||
| 5. | unk-rat LD50:3600 mg/kg | JPFCD2 Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes. B15 (1980),929. | ||
| 6. | orl-mus LD50:1920 mg/kg | NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-266 ,1988. | ||
| 7. | ipr-mus LD50:1000 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 . | ||
| 8. | orl-gpg LDLo:670 mg/kg | PAREAQ Pharmacological Reviews. 14 (1962),225. | ||
| 9. | unr-mam LD50:3500 mg/kg | 30ZDA9 Chemistry of Pesticides .Melnikov, N.N.,New York, NY.: Springer-Verlag,1971,231. |
Consensus Reports
IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 , 1987,p. 56.(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) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 12 , 1976,p. 167.(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) . Reported in EPA TSCA Inventory. EPA FIFRA 1988 pesticide subject to registration or re-registration. EPA Genetic Toxicology Program.
Safety Profile
Moderately toxic by ingestion, intraperitoneal, and possibly other routes. Experimental teratogenic and reproductive effects. Questionable carcinogen with experimental carcinogenic data. Mutation data reported. An herbicide. When heated to decomposition it emits very toxic fumes of NOx and Cl−.
Hazard Codes: 
Xn,
N
Risk Statements: 22-40-50/53
R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 36/37-60-61
S36/37:Wear suitable protective clothing and gloves.
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
Specification
Monuron ,its cas register number is150-68-5. It also can be called Monuron TCA ; 3-(4-Chlorophenyl)-1,1-dimethylurea ; and Urox . It is hydrolyzed slowly by acids and alkalis, and more rapidly on heating. Monuron (CAS NO.150-68-5) is a chlorinated urea derivative, and may react with azo and diazo compounds to generate toxic gases.