Home > Products > HERBICIDES > flumetsulam herbicide 12%SC
flumetsulam herbicide 12%SC
- 500 Kilogram / Kilograms per Month
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Product Details
Classification: | Herbicide | CAS No.: | 98967-40-9 | Other Names: | flumetsulam |
MF: | C12H9F2N5O2S | EINECS No.: | 00000 | Place of Origin: | Jiangsu, China |
State: | Liquid | Purity: | 12% | Application: | AGROCHEMICAL HERBICIDE |
Brand Name: | CROPSTAR | Model Number: | TC/SC/WDG |
Product Description
Specifications
flumetsulam 95%TC and 80%WDG/12%SCnew agrochemical
Best quality/price/service
Professional package
FAO Standards
NOMENCLATURE
Common name: flumetsulam
Classification: herbicide
IUPAC name: 2',6'-difluoro-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonanilide
Chemical name: N-(2,6-difluorophenyl)-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide
CAS RN [98967-40-9] Development codes DE-498; XRD-498 (both Dow)
PHYSICAL CHEMISTRY
Mol. wt. 325.3 M.f. C12H9F2N5O2S Form Off-white, odourless solid. M.p. 251-253 ºC V.p. 3.7 ´ 10-7 mPa (25 ºC) KOW logP = -0.68 (25 ºC, unstated pH) S.g./density 1.77 (21 ºC) Solubility In water 49 mg/l (pH 2.5); solubility increases with pH. Very slightly soluble in acetone and methanol. Insoluble in hexane and xylene. Stability Aqueous photolysis DT50 6-12 mo. Soil photolysis DT50 3 mo. pKa 4.6 F.p. >93 °C
APPLICATIONS
Biochemistry Branched chain amino acid (leucine, isoleucine and valine) synthesis (ALS or AHAS) inhibitor. Selectivity in soya beans is due to rapid metabolic deactivation. Mode of action Systemic herbicide, absorbed by roots and leaves of plants and translocated to growth points. Uses Used alone and in combination with trifluralin or metolachlor for control of broad-leaved weeds and grasses in soya beans, field peas and maize. Phytotoxicity Crops damaged by soil application of flumetsulam include sugar beet, cotton, oilseed rape, grain sorghum, tomatoes, and sunflowers. Formulation types OF; SC; WG.
MAMMALIAN TOXICOLOGY
Oral Acute oral LD50 for rats >5000 mg/kg. Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg. Slightly irritating to eyes (rabbits). Non-sensitising to skin (guinea pigs). Inhalation LC50 (4 h) >1.2 mg/l. NOEL for mice >1000, female rats 500, male rats 1000, dogs 1000 mg/kg. Other Non-teratogenic (dietary) in rats. Non-mutagenic in the Ames test. Toxicity class WHO (a.i.) III (Table 5)
ECOTOXICOLOGY
Birds Acute oral LD50 for bobwhite quail >2250 mg/l. Dietary LC50 (8 d) for bobwhite quail and mallard ducks >5620 mg/l. Fish LC50 (96 h) for silverside minnow >379 mg/l. Non-toxic to fathead minnow and bluegill sunfish. Daphnia Non-toxic. Other aquatic spp. LC50 for shrimp >349. Bees LC50 >100 mg/bee. NOEL 36 mg/bee.
ENVIRONMENTAL FATE
Animals Rapidly cleared via urine and faeces with no metabolites. 5-Hydroxy metabolite found in the hen. Plants DT50 in maize 2 h, soya beans 18 h, Chenopodium 131 h. Metabolites depend on the species; 5-hydroxy or 5-methoxy derivatives are common. Soil/Environment Availability of flumetsulam in soil is principally dependent upon soil pH and organic matter. Herbicidal activity increases as pH increases and organic matter decreases. DT50 in soil (25 ºC, pH ³7, o.m. content <4%; or pH 6-7, o.m. content c. 1%) £1 mo. DT50 in soil (pH 6-7, o.m. content 2-4%) 1-2 mo. Koc 5 - 182; Kd 0.05 - 2.4.
Contact Us
- Shenzhen Cropstar Chemical Industry Co., Ltd.
- Contact nameDavid Meng
- Phone86-755-86317161
- AddressRm. 910-912, Block E, XihaiMingzhu Building, Taoyuan Road, Nanshan District Shenzhen,Guangdong
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