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Chemical Identification
Common Name
XMC
中文通用名
灭除威
IUPAC
3,5-xylyl methylcarbamate
CAS
3,5-dimethylphenyl methylcarbamate
CAS No.
2655-14-3
Molecular Formula
C10H13NO2
Molecular Structure
Category
Activity

Insecticide

Premix
Micro granule, powder, wettable powder.
Physical Properties
Molecular weight: 179.2 g/mol; Physical form: Colorless crystals. Density: 0.54; Composition: Tech. grade is 97% pure. Melting point: 99℃ (>98%); Partition coefficient (n-octanol and water): logP = 2.3 (25℃); Solubility: In water 0.47 g/l (20℃). Soluble in most organic solvents; e.g. in acetone 5.74, benzene 2.04, ethanol 3.52, ethyl acetate 2.77 (all in g/l, 20℃); also soluble in cyclohexanone and 3,5,5-trimethylcyclohex-2-enone.; Stability: Rapidly hydrolysed in alkaline media. Relatively stable to neutral and weakly acidic aqueous solutions. Stable to light and to temperatures up to 90℃.
Toxicology
(Rat): Oral LD50 542 mg/kg. (Rabbits): 374 mg/kg. (Mouse): 245 mg/kg
Environmental Profile
Ecotoxicology:
Bees:Low toxicity to bees.Birds:Low toxicity to birds.Fish:LC50 (48 h) for carp >40 mg/l.
Environmental fate:
Animals:In insects, metabolism mainly involves hydroxylation of the benzene ring and the ring methyl substituents.Soil:In soil, hydrolysed to 3,5-xylenol and N-methylcarbamic acid.
Transport Information
Signal Word:DANGER; Hazard Class:III(Slightly hazardous)

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