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Methyl-labeled diuron was prepared by the reaction of 3,4-dichlorophenyl- isocyanate with C '"labeled dimethylamine.Substituted urea derivatives were prepared by reacting 3,4-dichlorophenyl isocyanate with amino acids, dipeptides, histamine. The R- and S-isomers and RS-racemate of MBPU were synthesized by allowing equimolar quantities of 3,4-dichlorophenyl- isocyanate
F. S. Tanaka,; B. L. Hoffer,; R. G. Wiena. Photolysis of 3-(3,4-dichlorophenyl)-1, 1 -Dimethylurea (Diuron) in dilute aqueous solution . Toxicological & Environmental Chemistry. 1986, 11 (4) ,261-269.
Donald E. Morelanda. Effects of Optically Active 1-(α-Methylbenzyl)-3-(3,4-dichlorophenyl)urea on Reactions of Mitochondria and Chloroplasts 1. Plant Physiology . 1971, 47 (1), 53-58.
Hazard Statements: H301-H312-H315-H317-H319-H332-H334-H335
Toxic if swallowed. Harmful in contact with skin. Causes skin irritation. May cause an allergic skin reaction. Causes serious eye irritation. Harmful if inhaled. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation.
Precautionary Statements: P261-P264b-P270-P271-P272-P280-P285-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P333+P313-P337+P313-P342+P311-P362-P501c
Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. In case of inadequate ventilation wear respiratory protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. If skin irritation or rash occurs: Get medical advice/attention. If eye irritation persists: If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant