China Benalaxyl 96%TC 25%WP 35%WP 25%DS 35%DS

Comman nameBenalaxylPurity96%TC, 25%WP, 35%WP, 25%DS, 35%DSAppearancePowderPhysical formColourless, almost odourless solidCAS No.71626-11-4EINECS No.275-728-7MFC20H23NO3Chemical NameMethyl N-(2,6-dimethylphenyl)-N-(phenylacetyl)-DL-alaninateIUPACmethyl N-(phenylacetyl)-N-(2,6-xylyl)-DL-alaninateMolecular weight325.4Density1.181 (20ºC)Melting point78-80 °CVapour pressure0.66 mPa (25 ºC, gas saturation method)Henry constant6.5x10-3 Pa m3 mol-1 (20 °C, calc.)Partition coefficient
(n-octanol and water)logP = 3.54 (20 ºC) SolubilityIn water 28.6 mg/l (20 °C). In acetone, methanol, ethyl acetate, 1,2-dichloroethane and xylene >250, n-heptane <20 (all in g/kg, 22 ºC)StabilityHydrolysed in concentrated alkaline media. Stable in aqueous solutions at pH 4-9. DT50 86 d (pH 9, 25 °C). Thermally stable up to 250 °C under nitrogen. Stable to sunlight in aqueous solution. Soluble in most organic solvents except saturated hydrocarbons such as hexane; stable to hydrolysis at 25°C in acid and neutral media.ToxicologyOral:Acute oral LD50 for rats 4200, mice 680 mg/kg. Percutaneous:Acute percutaneous LD50 for rats >5000 mg/kg. Non-irritating to skin and eyes (rabbits). Non-sensitising to skin (guinea pigs). Inhalation:LC50 (4 h) for rats >10 mg/l air.
ADI:(JMPR) 0.05 mg/kg b.w. [1987].EcotoxicologyAlgae:EC50(96 h) for Selenastrum capricornutum 2.4 mg/l.Bees:Non-toxic to bees; LD50>100 mg/bee.
Birds:Acute oral LD50 for mallard ducks >4500, bobwhite quail >5000, chickens 4600 mg/kg. Dietary LC50 (5 d) for bobwhite quail and mallard ducks >5000 mg/kg.
Daphnia:LC50 (48 h) 0.59 mg/l.Fish: LC50 (96 h) for rainbow trout 3.75, goldfish 7.6, guppies 7.0, carp 6.0 mg/l.
Worms:LC50(48 h) for earthworms 0.0053 mg/cm2. Environmental fateAnimals:In rats, following oral administration, rapidly metabolised, and eliminated in the urine (23%) and faeces (75%) within 2 days.
Soil:Slowly degraded by soil micro-organisms to various acidic metabolites. DT50in silt loam soil 77 d. Koc2728-7173 (3 soil types).Plant:Slowly metabolised to glycosides in plants.
Water Solubility: 28.6 mg/l at 20°CTransport InformationSignal Word:CAUTION;
Hazard Class:III (Slightly hazardous)PremixSuspension concentrate, granules, wettable powder, slurry for seed treatment. Premix Parters: bromoxynil ioxynil; clopyralid; 2,4-DB MCPA; quizalofop-P-ethylApplicationsSystemic fungicide. Used for the prevention and treatment of oomycetes oomycete diseases. Single shaft mold such as grapes, potatoes, strawberry, tomato the fungus, tobacco, onion, soybean, downy mildew, false of cucumber downy mildew, etc.
Prevention and control of grape downy mildew in 100 l liquid medicine used contain 12 ~ 15 g, mancozeb 100 ~ 130 grams of mixed medicament spray. Prevention and control of potato and tomato late blight, in 100 l liquid medicine, containing 20 ~ 25 g, mancozeb 160 ~ 195 grams of mixed medicament spray.