Phenyl urea pesticides

PHENYL UREA PESTICIDES, FLAMMABLE LIQUID, TOXIC, n.o.s.. 2768 ... 

Phenyl urea pesticides, those including phenyl urea (64-10-8). 

Phenyl Urea Pesticides, liquid, llammable.toxic, n.o.s. 2768 28 liquid, toxic, n.o.s. Phthalimide Derivative Pesticides, 2773 55... 

PHENYL UREA PESTICIDES, liquid, flamituible, toxic n.o.s. 

Although most nonionic organic chemicals are subject to low energy bonding mechanisms, sorption of phenyl- and other substituted-urea pesticides such as diuron to sod or sod components has been attributed to a variety of mechanisms, depending on the sorbent. The mechanisms include hydrophobic interactions, cation bridging, van der Waals forces, and charge-transfer complexes. 

N-dealkylation results from an alkyl substitution on an aromatic molecule, which is one of the first places where microorganisms initiate catabolic transformation of atrazine, a xenobiotic molecule (Fig. 15.2). It is a typical example of a reaction leading to transformation of pesticides like phenyl ureas, acylanihdes, carbamates, s-tri-azines, and dinitranilines. The enzyme mediating the reaction is a mixed-function oxidase, requiring a reduced nicotinamide nucleotide as an H donor. 

Borba da Cunha, A.C., M.J. Lopez de Alda, D. Barcelo, T.M. Pizzolato, and J.H.Z. dos Santos. (2004). Multianalyte determination of different classes of pesticides (acidic, triazines, phenyl ureas, anilines, organophosphates, mohnate and propanil) by liquid chromatography-electrospray-tandem mass spectrometry. Anal. Bioanal. Chem., 378 940-954. 

Miles and Moye [171] have shown that several classes of nitrogen containing pesticides responded to a high performance liquid chromatography post-column reaction detector that employed ultraviolet photolysis with optional reaction with o-phthalicdicarboxaldehyde-2-mercaptoethanol followed by fluorescence detection. It was applied to the determination of jV-methylcarbamates, carbamoyl oximes, carbamethoic acids, dithiocarbamates and phenyl ureas, phenyl amides and phenyl carbamates in groundwater. See also Table 4.3. 

N-methyl carbamate Carbamate insectides Phenyl urea herbicides Phenyl urea herbicides Phenyl urea herbicides 30 pesticides, including atrazine, simazine, alachlor, molinate... 

Synonyms AF 101 AI3-614378 Anduron Ansaron Bioron BRN 2215168 Caswell No. 410 CCRIS 1012 Cekiuron Crisuron Dailon DCMU DCMU 99 Dialer Dichlorfenidim 3-(3,4-Di-chlorophenol)-l,l-dimethylurea 3-(3,4-Dichlorophenyl)-l,l-dimethylurea A -(3,4-Dichloro-phenyl)-A,A-dimethylurea l,l-Dimethyl-3-(3,4-dichlorophenyl)urea Dion Direx 4L Diurex Diurol DMU DP hardener 95 Duran Durashield Dynex EINECS 206-354-4 EPA pesticide chemical code 035505 Farmco diuron Herbatox HW 920 Karmex Karmex diuron herbicide Karmex DW Krovar Lucenit Marmer NA 2767 NSC 8950 Seduron Sup r flo Telvar Telvar diuron weed killer UN 2767 Unidron Urox D USAF P-7 USAF XR-42 Vonduron. 

These herbicides contain nitrogen and respond to both FID and AFID. However, the analysis of these compounds is complicated by their thermal instability. For example, the total ion current trace obtained from the GC-MS ofamethanolic solution of monolinuron shows four peaks (Fig. 9). The formation of these peaks is illustrated in Fig. 10. This thermal decomposition appears to be general for the substituted ureas and reaction of substituted phenyl isocyanates with higher alcohols also occurs. As certain substituted alkyl phenylcarbamates are used as pesticides in their own right, inert solvents such as ethyl acetate or hexane should always be used for injection. The mass spectra of the thermal... 

Aresin Arezin Arezine BRN 2212523 Caswell No. 207D 3-(4-Chlorophenyl)-1-methoxy-1-methylurea 3- 4-Chlorphenyl)-1-methoxy-1-methylharnstoff N-(4-Chloro-phenyl)-N -methoxy-N-methylurea EINECS 217-129-5 EPA Pesticide Chemical Code 207500 HOE 02747 HOE 2747 HSDB 5030 Monolinuron Monorotox Premalin Urea, 3-(p-chlorophenyl)-1-methoxy-1-methyl- Urea, N -(4-chlorophenyl)-N-methoxy-N-methyl-. Selective systemic herbicide used to control broad-leaved weeds and some annual grasses in vegetable crops such as potatoes and leeks. Crystals mp = 80-83" soluble in H2O (735 mg/l), organic solvents LD50 (rat orl) = 1660 mg/kg. Hoec/isf UK Ltd. 

Chlorofenossil)fenil)-1,1-dimetil-urea 3-(4-(4-Cloro-fenossil)-fenossil)-1,1-dimetil-urea Chloroxifenidim Chloroxuron Chlorphencarb Ciba 1983 EINECS 217-843-7 EPA Pesticide Chemical Code 025501 Gesa-moos HSDB 980 N -(4-. Chlorophenoxy)phenyl-N,N-dimethylurea N -4-(4-... 

BRN 2733280 Butyl-3-(3,4-dlchlorophenyl)-1-methyl-urea Butyl-N -(3,4-dichlorophenyl)-N-methylurea 1-Bu l-3-(3,4-dichlorophenyl)-1-melhylurea 1-n-Butyl-3- 3,4-dichlorophenyl)-1-melhylurea N-Bulyl-N -(3,4-di-chlorophenyl)-N-methylurea Caswell No. 594 3-(3,4-Dlchlorophenyl)-1-methyl-1-butylurea 3- 3,4-Dichlor-phenyl)-1-n-butyl-harnstoff EINECS 209-096-0 EPA Pesticide Chemical Code 012001 Granurex Herbalt Kloben Kloben neburon Neburea Neburex Neburon Urea, 1-butyl-3-(3,4-dichlorophenyl)-1-methyl- ... 

Chlorophenyl)melhyl)-N-cyclopentyl-N -phenylurea EINECS 266-096-3 EPA Pesticide Chemical Code 128823 Monceren NTN 19701 Pencycuron, Urea, N-((4-chlorophenyl)methyl)-N-cyclopentyl-N -phenyl-. Non-systemic fungicide used fro control of Rhizoctonia and Pellicularia spp. in potatoes, rice, cotton and vegetables. In... 

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