Cloquintocet-methyl
used as a herbicide safener in combination with clodinafop-propargyl.

Common name:  Cloquintocet-methyl

Chemical name : 1-methylhexyl [(5-chloro-8-quinolinyl)oxy]acetate

CAS : 99607-70-2

PHYSICAL CHEMISTRY: 

Mol. wt. 335.8 M.f. C18H22ClNO3 Form Colourless crystals. M.p. 69.4 ºC; (tech., 61.4-69.0 ºC) V.p. 5.31 ´ 10-3 mPa (25 ºC) (OECD 104) KOW logP = 5.03 (25 ºC) Henry 3.02 ´ 10-3 Pa m3 mol-1 (calc.) S.g./density 1.05 g/cm3 (20 ºC) Solubility In water 0.59 mg/l (25 ºC). In ethanol 190, acetone 340, toluene 360, n-hexane 0.14, n-octanol 11 (all in g/l, 25 ºC). Stability Stable in acidic and neutral media, hydrolysed in alkaline media. DT50 (25 ºC) 133.7 d (pH 7). pKa 3.5-4 (weak base, est.)

TOXICOLOGY

Oral Acute oral LD50 for rats and mice >2000 mg/kg. Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg. Non-irritating to eyes and skin (rabbits). May cause skin sensitisation (guinea pigs). Inhalation LC50 (4 h) for rats >0.935 mg/l air. NOEL (2 y) for rats 4 mg/kg b.w. daily; (18 mo) for mice 106.5 mg/kg b.w. daily; (1 y) for dogs 44 mg/kg b.w. daily. ADI 0.04 mg/kg b.w. Toxicity class WHO (a.i.) III EC hazard (R43)

ECOTOXICOLOGY

Birds Non-toxic. LD50 for mallard ducks and bobwhite quail >2000 mg/kg. Fish Non-toxic. LC50 (96 h) for rainbow trout and carp >76, bluegill sunfish >51, catfish 14 mg/l. Daphnia LC50 (48 h) >100 mg/l. Algae EC50 (96-120 h) for Scenedesmus subspicatus 0.63, Microcystis 2.5, Navicula 1.7 mg/l. Bees Non-toxic. LC50 (48 h, oral and contact) >100 mg/bee. Worms LC50 for earthworms >1000 mg/kg.

Application:

Used as a herbicide safener in combination with clodinafop-propargyl for selective control of annual grasses (Alopecurus myosuroides, Avena spp., Lolium spp., Phalaris spp., Poa trivialis, Setaria spp.) in small grain cereals.

Compatibility:

Always in combination with clodinafop-propargyl.

Products : 98%TECH

Packing: according to customer’s requirements