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Chemical Identification
Common Name
Fenuron
中文通用名
非草隆
IUPAC
1,1-dimethyl-3-phenylurea
CAS
N,N-dimethyl-N′-phenylurea
CAS No.
101-42-8
Molecular Formula
C9H12N2O
Molecular Structure
Category
Activity
Herbicide
Premix
Lufenuron+Emamectin benzoate
Lambda-cyhalothrin+Lufenuron
Diafenthiuron+Lufenuron
Profenofos+Lufenuron
Lufenuron+Chlorfenapyr
Bifenthrin+Lufenuron
Physical Properties
Molecular weight:164.2; Physical form:Colourless crystals. Density:1.08 (20 °C); Melting point:133-134 °C; Vapour pressure:21 mPa (60 °C); Solubility:In water 3.85 g/l (25 °C). In ethanol 108.8, diethyl ether 5.5, acetone 80.2, benzene 3.1, chloroform 125, hexane 0.2, groundnut oil 1.0 (all in g/ kg, 20-25 °C).; Stability:Stable to light and to oxidation. Stable in neutral media, but hydrolysed by strong acids and alkalis.;
Toxicology
Oral:Acute oral LD50 for rats 6400 mg/ kg. Percutaneous:Non-irritating to skin. ADI:0.005 mg/ kg b.w. (Japan).
Environmental Profile
Ecotoxicology: 
Fish: LC50 (48 h) for guppies 610 mg/l. 

Environmental fate: 
Soil:In soil, enzymic and microbial degradation involves step-by-step N-demethylation.Plant:In plants, N-demethylation occurs step-by-step.
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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