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Chemical Identification
Common Name
Fluoroimide
中文通用名
氟氯菌核利
IUPAC
2,3-dichloro-N-4-fluorophenylmaleimide
CAS
3,4-dichloro-1-(4-fluorophenyl)-1H-pyrrole-2,5-dione
CAS No.
41205-21-4
Molecular Formula
C10H4Cl2FNO2
Molecular Structure
Physical Properties
Molecular weight:260.1; Physical form:Pale yellow crystals. Density:1.59; Melting point:240.5-241.8 °C; Vapour pressure:3.4 mPa (25 °C); 8.1 mPa (40 °C); Partition coefficient(n-octanol and water):logP = 2.3; Solubility:In water 5.9 mg/l (20 °C). In acetone 19.2 g/l (20 °C).; Stability:Stable to 120 °C; under u.v. and sunlight; on hydrolysis, DT50 52.9 min ( pH 3), 7.5 min ( pH 7) and 1.4 min ( pH 9)
Toxicology
Oral:Acute oral LD50 for rats and mice >15 000 mg/ kg. Percutaneous:Acute percutaneous LD50 for mice >5000 mg/ kg. Inhalation: LC50 (4 h) for male rats 0.57 mg tech./l air, for female rats 0.72 mg/l air. Phytotoxicity:May be phytotoxic to some varieties of pear.
Environmental Profile
Ecotoxicology: 
Birds:Dietary LC50 (5 d) for pheasants >27 000 mg/ kg diet.Daphnia: LC50 (3 h) 13.5 mg/l.Fish: LC50 (48 h) for carp 5.6 mg/l.
Transport Information
Hazard Class:III(Slightly hazardous)

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