Page Views: 318 Date Added: 05/20/2010 Last Updated: 05/20/2010 Expiry Date: 05/15/2029 Product/Service Details Common name: simetryn; simetryne IUPAC name: N2,N4-diethyl-6-methylthio-1,3,5-triazine-2,4-diamine; 2,4-bis(ethylamino)-6-methylthio-1,3,5-triazine Chemical Abstracts name: N,N'-diethyl-6-(methylthio)-1,3,5-triazine-2,4-diamine CAS RN: [1014-70-6] PHYSICAL CHEMISTRY Mol. wt.: 213.3; M.f.: C8H15N5S; Form: Whitish crystals. M.p.: 82-83 ºC; V.p.: 9.5x10-2 mPa (20 °C). KOW: logP = 2.6 (calc., unionised). Henry: 5.07x10-5 Pa m3 mol-1 (calc.) S.g./density: 1.02; Solubility: In water 400 mg/l (20 °C). In methanol 380, acetone 400, toluene 300, n-hexane 4, n-octanol 160 (all in g/l, 20 °C). pKa: 4.0, weak base. APPLICATIONS Biochemistry: Photosynthetic electron transport inhibitor at the photosystem II receptor site. Mode of action: Selective herbicide. Uses: Used in combination with thiobencarb to control broad-leaved weeds in rice. Formulation types: GR. MAMMALIAN TOXICOLOGY Oral: Acute oral LD50 for rats 750-1195 mg/kg. Skin and eye: Acute percutaneous LD50 for rats >3200 mg/kg. Not a skin or eye irritant (rabbits). NOEL: (2 y) for rats 1.2 mg/kg daily (2.5 mg/kg b.w.), mice 56 mg/kg daily, dogs 10.5 mg/kg daily. ADI: 0.025 mg/kg b.w. (provisional value). Toxicity class: WHO (a.i.) III; EPA (formulation) III EC hazard: Xn; R22| N; R50, R53 ECOTOXICOLOGY Fish: LC50 (96 h) for trout 7, guppy 5.2 ppm. Algae: Toxic. Bees: Non-toxic. ENVIRONMENTAL FATE Animals: DT50 in rats c. 10 h. Excreted in urine and faeces; two oxidative metabolic pathways. Plants: Selectivity and metabolism of simetryn reviewed.

Simetryn

Company Information (Shanghai Skyblue Chemical Co., Ltd.)

Company Profile: Shanghai Skyblue Chemical Co., Ltd. is an integrated company located in Pudong New Area of Shanghai China. Our business scopes include the development, manufacturing, researching, and marketing agrochemicals. We are capable of supplying a wide range of high quality agrochemicals, including insecticides (especially household and public health insecticides), fungicides, herbicides, pesticide synergists and other relative agrochemicals in both technical grade and formulation in different packages as per customer's requirements. To make quality products is our credo. We always target to provide our customers with top quality products along with moderate prices and professional services, and endeavor to be a 360o-solution supplier for agrochemicals. Currently our products are being exported to more than twenty countries and enjoy high reputation in the global market. On the basis of equality and mutual benefits, we always look forward to establishing and maintaining long term partnerships with all customers toward a future of resplendence. At present we can supply the following products: Insecticides: Acetamiprid,Alpha-Cypermethrin, Aluminium Phosphide, Azamethiphos, Beta-Cyfluthrin, Bifenthrin, Bioallethrin, Carbaryl, Carbofuran, Carbosulfan, Cartap, Chlorpyrifos, Cyfluthrin, D-Allethrin, D-Cyphenothrin, Deltamethrin, Dichlorvos, Diethyltoluamide, Dimehypo, Dimethoate, D-Phenothrin, D-Tetramethrin, Empenthrin, Es-bioallethrin, Es-Fenvalerate, Etofenprox, Fenitrothion, Fenpropathrin, Fenthion, Fenvalerate, Fipronil, Flumethrin, Hydramethylnon, Imidacloprid, Imiprothrin, Lambda-cyhalothrin, Malathion, Permethrin, Pirimiphos-methyl, Prallethrin, Propoxur, S-Bioallethrin, Tefluthrin, Tetramethrin, Thiocyclam, Transfluthrin Fungicides: Clofentezine, Difenoconazole, Mancozeb, Metiram, Propiconazole, Propineb, Tebuconazole, Thiabendazole Herbicides: Acetochlor, Ametryn, Atrazine, Bensulfuron-methyl, Butachlor, Chlorimuron-ethyl, Chlorsulfuron, Cyanazine, Fenchlorazole, Fenoxaprop-p-ethyl, Glyphosate, Metsulfuron-methyl, Nicosulfuron, Prometryn, Pyrazosulfuron-ethyl, Quinclorac, Quizalofop-p-ethyl, Simazine, Simetryn, Terbuthylazine, Terbutryn, Tribenuron-methyl Pesticide Synergists: Piperonyl Butoxide, MGK 264. >> More Website URL: http://www.bridgat.com/u15636