Carboxin Common
Name£ºCarboxin
Chemical Name:
¡¡¡¡5,6-dihydro-2-methyl¡ªN-phenyl-1,4-oxathiin-3-carboxamide (CA)
¡¡¡¡5,6-dihydro-2-methyl-1,4-oxathi-ine-3-carboxanilide (IUPAC)
Chemical Structure:
¡¡¡¡
CAS NO.:5234-68-4
Specification£º98% min
Physical & Chemical Properties£º(technical)
¡¡¡¡Mol. wt. 235.3 M.f. C12H13NO2S
¡¡¡¡Form White crystals; (teach. White solid).
M.p. 91.5-92.5¡æ and 98-100¡æ,depending on crystal structure V.p.
0.025 mPa (25¡æ) KowlogP= 2.2 (25¡æ) S.g./density 1.36 Solubility
In water 199 mg/l (25¡æ). In acetone 177,methylene chloride 353, methanol
88, ethyl acetate 93 mg/l(25¡æ). Stability Stable to hydrolysis(25¡æ)
at pH5, pH 7 and pH 9. Aq2ueous solutions (pH 7) exposed to light
, DT50< 3 h.
Mode of Action:
¡¡¡¡A systemic anilide fungicide, seed protectant.
Toxicity:
¡¡¡¡Rat: Oral LD50 3820mg/kg.Rabbit:Dermal LD50>8000mg/kg.
Slight eye irritant. In a 2-year feeding study on dog, and rats, doses
of up to 600mg/kg caused no observed effects.
¡¡¡¡Tribenuron-methyl+Thifensulfuron-methyl 75%WP
Formulation:Carboxin+Thiram 40%SC, Carboxin+Thiram 75%WP
Package:Packed in 25kg drum.