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| CAS No.: | 140-41-0 |
|---|---|
| Name: | MONURON TCA |
| Molecular Structure: | |
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| Formula: | C2HCl3O2•C9H11ClN2O |
| Molecular Weight: | 362.05 |
| Synonyms: | 3-(4-chlorophenyl)-1,1-dimethyluroniumtrichloroacetate;3-(parachlorophenyl)-1,1-dimethylureatrichloroacetate;3-(p-chlorophenyl)-1,1-dimethylureatrichloroaceacetate;3-(p-chlorophenyl)-1,1-dimethyl-urecmpd.withtrichloroaceticacid(1:1);Acetic acid, trichloro-, compd. with 3-(p-chlorophenyl)-1,1-dimethylurea (1:1);Acetic acid, trichloro-, compd. with N’-(4-chlorophenyl)-N,N-dimethylurea (1:1);aceticacid,trichloro-,compd.with3-(p-chlorophenyl)-1,1-dimethylurea(1:1);aceticacid,trichloro-,compd.withn’-(4-chlorophenyl)-n,n-dimethylurea(1: |
| Density: | g/cm3 |
| Boiling Point: | 358.8°Cat760mmHg |
| Flash Point: | 170.8°C |
| Hazard Symbols: |
 
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| Risk Codes: | 36/38-40-50/53 |
| Safety: | Moderately toxic by ingestion and subcutaneous routes. When heated to decomposition it emits very toxic fumes of Cl− and NOx. See also 3-(p-CHLOROPHENYL)-1,1-DIMETHYLUREA and TRICHLOROACETIC ACID. |
| PSA: | 69.64000 |
| LogP: | 3.94770 |
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Chemistry
IUPAC Name: 3-(4-Chlorophenyl)-1,1-dimethylurea; 2,2,2-trichloroacetic acid
Synonyms of 3-(p-Chlorophenyl)-1,1-dimethylurea trichloroacetate (CAS NO.140-41-0) : Acetic acid, 2,2,2-trichloro-, compd. with urea, N'-(4-chlorophenyl)-N,N-dimethyl- (1:1) ; Monuron TCA {Trichloroacetate} ; Monuron-TCA ; Trichloroacetic acid - 3-(4-chlorophenyl)-1,1-dimethylurea (1:1)
CAS NO: 140-41-0
Molecular Formula :C11H12Cl4N2O3
Molecular Weight :362.04
Molecular Structure :
Flash Point: 170.8 °C
Enthalpy of Vaporization: 60.43 kJ/mol
Boiling Point: 358.8 °C at 760 mmHg
Vapour Pressure: 2.48E-05 mmHg at 25°C
Uses
3-(p-Chlorophenyl)-1,1-dimethylurea trichloroacetate (CAS NO.140-41-0) is used as herbicide.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD50 | skin | 1gm/kg (1000mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C319, 1991. | |
| rat | LD50 | oral | 2300mg/kg (2300mg/kg) | "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 4, Pg. 292, 1969. |
Safety Profile
Moderately toxic by ingestion and subcutaneous routes. When heated to decomposition it emits very toxic fumes of Cl− and NOx. See also 3-(p-CHLOROPHENYL)-1,1-DIMETHYLUREA and TRICHLOROACETIC ACID.
Hazard Codes 
Xn
N
Risk Statements 36/38-40-50/53
R36/38: 3-(p-Chlorophenyl)-1,1-dimethylurea trichloroacetate (CAS NO.140-41-0) is irritating to eyes and skin.
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.