Cumyluron

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Cumyluron

中文通用名

二苯隆

IUPAC

1-(2-chlorobenzyl)-3-(1-methyl-1-phenylethyl)urea

CAS

N-[(2-chlorophenyl)methyl]-N′-(1-methyl-1-phenylethyl)urea

CAS No.

99485-76-4

Molecular Formula

C₁₇H₁₉ClN₂O

Molecular Structure

General Product Information

Category

Herbicides > Urea herbicides

Activity

Herbicide

Premix

Granule, suspension concentrate. Premix Parters: atrazine; bentazone 2,4-D; diflufenican.

Type	AI concⁿ
Granule (GR)	8% (w/w)

Physical & Safety Data

Physical Properties

Molecular weight:302.8; Physical form:White, crystalline solid. Melting point:166-167 °C; Vapour pressure:1.33×10-6 mPa; Partition coefficient(n-octanol and water):logP = 3.7 (25 °C); Solubility:In water 0.001 g/l. In acetone 14.5, methanol 21.5, hexane 0.8, benzene 1.4, xylene 0.4 (all in g/l).

Toxicology

Oral:Acute oral LD₅₀ for male rats 2074 mg/kg, female rats 961 mg/kg. Percutaneous:Acute dermal LD₅₀ for rats and mice >2000 mg/kg. Inhalation:LC₅₀ for rats >6.21 mg/l.

Environmental Profile

Ecotoxicology: Birds:Acute oral LC₅₀ for quail >5620 ppm.Fish:Acute LC₅₀ for carp >50 ppm. WATER SOLUBILITY: 0.001 g/l.

Transport Information

Hazard Class:O (Obsolete as pesticide, not classified)