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Chemical Identification
Common Name
Dicyclanil
中文通用名
环虫腈
IUPAC
4,6-diamino-2-cyclopropylaminopyrimidine-5-carbonitrile
CAS
4,6-diamino-2-(cyclopropylamino)-5-pyrimidinecarbonitrile
CAS No.
112636-83-6
Molecular Formula
C8H10N6
Molecular Structure
Physical Properties
Molecular weight:190.2; Density:1.57 (21 °C); Vapour pressure:<2×10-8 mPa (20 °C); Partition coefficient(n-octanol and water):logP = 2.9; Solubility:In water 50 g/l ( pH 7.2, 25 °C). In methanol 4.9 g/l (25 °C). Stability:Hydrolysis DT50 331 d ( pH 3.8), >1 y ( pH 6.9) (both 25°C).
Toxicology
Oral:Acute oral LD50 for rats >2000 mg/kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/kg. Not an irritant. Inhalation: LC50 (4 h) for rats >5020 mg/m3.
Environmental Profile
Ecotoxicology: 
Algae:Harmful to algae.Birds:Not toxic to birds.Fish:Harmful to fish.Worms:Not toxic to worms.Other aquatic spp.:Toxic to crustaceans. 
Environmental fate: 
Animals:Undergoes dealkylation to des-cyclopropyl dicyclanil.Soil:In soil DT50 1.5 d (20°C, loamy soil). Leaching period <1 d. Hydrolytically stable under environmental conditions. No significant volatilisation.Plant:Not relevant.
Transport Information
Hazard Class:III (Slightly hazardous)

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