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Chemical Identification
Common Name
Dinobuton
中文通用名
消螨通
IUPAC
(RS)-2-sec-butyl-4,6-dinitrophenyl isopropyl carbonate
CAS
1-methylethyl 2-(1-methylpropyl)-4,6-dinitrophenyl carbonate
CAS No.
973-21-7
Molecular Formula
C14H18N2O7
Molecular Structure
Category
Activity
Acaricide/Miticide, fungicide
Premix
Emulsifiable liquid, concentrate in aromatic solvent. Premix Parters: isoproturon.
Physical Properties
Molecular weight:326.3. Physical form:Pale yellow crystals. Density:0.9 (20 °C); Composition:Tech. is 97%. Melting point:61-62 °C; ( tech., 58-60 °C); Flash point:Not flammable; Vapour pressure:<1 mPa (20 °C); Partition coefficient(n-octanol and water):logP = 3.038; Solubility:In water 0.1 mg/l (20 °C). Soluble in ethanol, aliphatic hydrocarbons, fatty oils; highly soluble in aromatic hydrocarbons, lower aliphatic ketones. Stability:Stable in neutral and acidic media; hydrolysed in alkaline media. Stable up to 600 °C. Hydrolyzed by alkali to parent phenol dinoseb. Soluble in aliphatic hydrocarbons, aromatic solvents, ethanol, fatty oils. Highly soluble in lower aliphatic ketones, aromatic hydrocarbons.
Toxicology
Oral:Acute oral LD50 for mice 2540 mg/kg, rats 140 mg/kg. Percutaneous:Acute percutaneous LD50 for rats >5000 mg/kg, rabbits >3200 mg/kg. Phytotoxicity:May cause phytotoxicity to some varieties of tomatoes and roses in the glasshouse.
Environmental Profile
Ecotoxicology: 
Birds:Acute oral LD50 for hens 150 mg/kg.Fish, Bee: Toxic. 
Environmental fate: 
Soil:Persistence in soils is brief.
WATER SOLUBILITY: Practically insoluble.
Transport Information
Signal Word:WARNING; Hazard Class:II (Moderately hazardous)

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