Hello visitor from USA USA - 68 visiting from China 43 China USA 11 USA France 10 France Singapore 1 Singapore India 1 India Ireland 1 Ireland Japan 1 Japan
Free Join Now   B2B Chat Center
 
This Month's Highlights:
- PrintLabels (China): Print Labels, Stickers, Tags, Epoxy Resin Stickers http://www.inecreative.com
- Sayhi0307 (China): Shipping Rates From China, Air Freight Rate From China, Ocean Freight Quote, Shipping Cost, Shipping Price, Freight Quote http://www.sztaizhou.com
 
 
 

Terbutryn Herbicide

Posted at: Offers to Sell and Export | Posted on: Fri 18 Jun, 2010 8:12 am | Product Category: Herbicide services [53]
 
terbutryn herbicide
Products Photos CatalogTerbutryn Herbicide Photos Catalog



Common name: terbutryn; terbutryne

IUPAC name: N2-tert-butyl-N4-ethyl-6-methylthio-1, 3, 5-triazine-2,


4-diamine

Chemical Abstracts name: N-(1, 1-dimethylethyl)-N'-ethyl-6-(methylthio)-1, 3, 5-triazine-2, 4-diamine

Cas rn: [886-50-0]

Physical chemistry

Composition: Tech. is 98%. Mol. wt.: 241.4; M.f.: C10H19N5S; Form: White powder. M.p.: 104-105 C. B.p.: 274 C/101 kPa. V.p.: 0.225 mPa (25 C) (OECD 104). KOW: logP = 3.65 (25 C, unionised). Henry: 1.5x10-3 Pa m3 mol-1 (calc.) S.g./density: 1.12 (20 C). Solubility: In water 22 mg/l (22 C). In acetone 220, hexane 9, n-octanol 130, methanol 220, toluene 45 (all in g/l, 20 C). Also readily soluble in dioxane, diethyl ether, xylene, chloroform, carbon tetrachloride, dimethylformamide. Slightly soluble in petroleum ether. Stability: Stable under normal conditions. The methylthio group is hydrolysed in the presence of strong acids or alkalis. At 70 C, no significant hydrolysis occurs at pH 5, 7, or 9. pKa: 4.3, weak base.

Applications

Biochemistry: Photosynthetic electron transport inhibitor at the photosystem II receptor site.

Mode of action: Selective herbicide, absorbed by the roots and foliage, with translocation acropetally through the xylem, and accumulation in the apical meristems.

Uses: Used pre-emergence in winter cereals, at 1-2 kg a.i./ha, to control blackgrass and annual meadow grass. Among the autumn-germinating broad-leaved weeds controlled are chickweed, mayweed, poppies and speedwell, but cleavers are rather resistant. Other pre-emergence uses are on sugar cane and sunflowers; and, in mixture with terbuthylazine, on beans, peas and potatoes. In mixture with metolachlor, used in cotton and peanuts. Also used post-emergence (0.2-0.4 kg/ha) in cereals, (1-3 kg/ha) in sugar cane, and as a directed spray in maize. As 'Clarosan', it is used to control algae and submerged vascular plants in waterways, reservoirs and fish ponds.

Phytotoxicity: Not safe for post-emergence use in cereals which are under stress.

Formulation types: FW; GR; MG; SC; WP.

Mammalian toxicology

Oral: Acute oral LD50 for rats 2500, mice 500 mg/kg.

Skin and eye: Acute percutaneous LD50 for rats >2000, rabbits >20 000 mg/kg. Not a skin or eye irritant (rabbits). Not a skin sensitiser (guinea pigs).

Inhalation: LC50 (4 h) for rats >2200 mg/m3 air.

NOEL: (2 y) for rats 300 ppm, for mice 3000 ppm; (1 y) for dogs 100 mg/kg diet daily.

ADI: 0.027 mg/kg b.w.

Other: Non-mutagenic.

Toxicity class: WHO (a.i.) III (Table 5); EPA (formulation) III

Ecotoxicology

Birds: Dietary LC50 (5 d) for bobwhite quail 5000, mallard ducks >4640 mg/kg b.w.

Fish: LC50 (96 h) for rainbow trout 1.1, bluegill sunfish 1.3, carp 1.4.

Daphnia: LC50 (48 h) 2.66 mg/l.

Algae: EC50 (7 d) for Selenastrum capricornutum 0.013 mg/l.

Other aquatic spp.: EC50 (48 h) for Quahog clam 5.6 mg/l.

Bees: Not toxic to bees. LD50 (oral) >225 ug/bee; (contact) >100 ug/bee.

Worms: LC50 for Eisenia foetida 170 mg/kg.

Environmental fate

Animals: In mammals, following oral administration, 73-85% is eliminated as the dealkylated hydroxy metabolite in the faeces within 24 hours.

Plants: In plants, terbutryn is degraded in a manner similar to other methylthio-s-triazines, viz. by oxidation of the methylthio group to hydroxy metabolites, and by dealkylation of the side-chains. Conjugates are also formed.

Soil/Environment: Soil micro-organisms play an important role in the degradation of terbutryn. Residual activity in soil is 3-10 weeks, depending upon rate of application, soil type, and weather. DT50 in soil 14-50 d. Koc 2000, indicating a low leaching potential. Degradation in aquatic systems is caused by microbial processes; photolysis also contributes. Considerable amounts of terbutryn are removed from the water by adsorption to the sediment.



Company Contact:

No member photo
Contact Name: Kevin Xu
Company Name: Shanghai Skyblue Chemical Co., Ltd.
Email: Email
Tel: 86-21-58356613
Fax: 86-21-58358362
Street Address: Rm 15A02, Changhang
Mansion, No.800, Zhangyang Road,
Pudong, Shanghai, 200122, China
Website: http://www.skybluechem.com
Member name: skybluechem
Country: China-CN China
Member Since: 17 June 2010
Total Leads: 76 skybluechem Import Export Business Leads
Business focus: Piperonyl Butoxide, D-allethrin, Diethyltoluamide, Cartap, Tetramethrin, Atrazine, Quizalofop-p-ethyl, Tribenuron-methyl, Acetochlor, Ametryn, Simazine
Chat:
Verify: Safe Import Export Tips
Product Category: Herbicide services [53]
 
 
 

Similar LeadsSimilar Suppliers And Manufacturers Import Export Trade Leads

  • Terbutryn 95% Tech Terbutryn 95% Tech - By Shanghaikimachem - On Tue 12 May, 2009 5:39 am: terbutryn chemical name 2- tert-butylamino -4- ethylamino -6- methylthio -s-triazine molecular formula c10h19n5s molecular weight 241 4 cas no ....

  • Herbicide, Nicosulfuron Herbicide, Nicosulfuron - By Hsbfny - On Sun 25 Nov, 2007 12:29 am: herbicide can eliminate annual weed and perennial broadleaf weed such as barnyard grass wild oat green bristlegrass digitaria goose grass culrag....

  • Butachlor Herbicide Butachlor Herbicide - By skybluechem - On Fri 18 Jun, 2010 6:39 am: herbicide absorbed primarily by the germinating shoots and secondarily by the roots with translocation throughout the plant giving higher concentr....

  • Glyphosate Herbicide Glyphosate Herbicide - By skybluechem - On Fri 18 Jun, 2010 6:42 am: herbicide absorbed by the foliage with rapid translocation throughout the plant inactivated on contact with soil uses control of annual and pere....

  • Quinclorac Herbicide Quinclorac Herbicide - By skybluechem - On Fri 18 Jun, 2010 6:45 am: quinclorac herbicide common name quinclorac iupac name 3 7-dichloroquinoline-8-carboxylic acid chemical abstracts name 3 7-dichloro-8-quinolinecarboxylic acid ca....oit

  • Chlorsulfuron Herbicide Chlorsulfuron Herbicide - By skybluechem - On Fri 18 Jun, 2010 8:00 am: herbicide absorbed by the foliage and roots with rapid translocation acropetally and basipetally uses control of most broad-leaved weeds and some....

  • Cyanazine Herbicide Cyanazine Herbicide - By skybluechem - On Fri 18 Jun, 2010 8:01 am: herbicide absorbed by the roots with translocation acropetally to the leaves and also by the foliage uses used for general weed control a pre....

  • Fenchlorazole Herbicide Fenchlorazole Herbicide - By skybluechem - On Fri 18 Jun, 2010 8:02 am: herbicide fenoxaprop-ethyl or fenoxaprop-p-ethyl it prevents growth retardation leaf discolouration and chlorosis of the crop uses used as a saf....

 
 
 
TradersCity Free Import Export Trade Leads B2B Board  Offers to Sell and Export
 
TradersCity.com shall not be held liable for any user posted/submitted content including but not limited to trade leads, profiles, images, and any other data. TradersCity.com does not and did not verify any of users posted/submitted data nor is implicitly or explicitly recommending these business offers. TradersCity does not verify truthfulness, accuracy, completeness, nor legality of any businesses, services, and leads posted here. TradersCity does not represent Sellers or Buyers in any transaction between users of the website and is unable to make any opinion in regard to their performance in any transaction. TradersCity neither guarantees nor undertakes in any dispute between sellers and buyers. Protect your business from fraud by trading safely