Chemical Identification
Common Name
Anilofos
中文通用名
莎稗磷
IUPAC
S-4-chloro-N-isopropylcarbaniloylmethyl O,O-dimethyl phosphorodithioate
CAS
S-[2-[(4-chlorophenyl)(1-methylethyl)amino]-2-oxoethyl] O,O-dimethyl phosphorodithioate
CAS No.
64249-01-0
Molecular Formula
C13H19ClNO3PS2
Molecular Structure
Category
Activity
Herbicide.
Anilofos can be applied pre- and post-emergence; it is absorbed by roots and to a lesser extent by shoots and leaves. The product is translocated to the meristem where it affects cell growth and division. This results in discoloration, stunted growth and death within seven days. The optimum time for application is four to ten days after transplantation. The company recommends that the water depth in the paddy is maintained at 1-6 cm for 21 days after treatment.

Anilofos can be applied up to the 2.5 leaf stage of barnyard grass and provides 40-50 days residual activity.
CropUse

Crop uses:
Rice

Rice

225-400 g ai/ha

Premix
Anilofos+pyrazosulfuron
Anilofos+Oxyfluorfen+Oxadiazon
Mefenacet+Bensulfuron-methyl+Anilofos
Anilofos+Ethoxysulfuron

Type

AI concn

Emulsifiable concentrate (EC)

30% (w/w)

Emulsifiable concentrate (EC)

2% (w/w)

Emulsifiable concentrate. 
Premix Parters: bitertanol; bitertanol fuberidazole; captan tebuconazole; difenoconazole fludioxonil; fenpropimorph kresoxim-methyl triadimenol triazoxide.
Physical Properties
Tech, white-to-brown crystalline solid. Pure, Molecular weight: 367.8 g/mol;melting point is 50.5-52.5℃. Solubility: acetone, chloroform, toluene >700 g/l; benzene, dichloromethane, ethanol, ethyl acetate 53 g/l; hexane 7.4 g/l.
Toxicology
(Rat): Oral LD50 363.5 mg/kg (male, female). (Rabbit): Dermal LD50 >2000 mg/kg.
Environmental Profile
HAZARDS: Bird: MLD 887 mg/kg (quail, hen); 2250 mg/kg (rooster). Bee: 5.9 μg/bee WATER SOLUBILITY: 9.4 mg/l at 20.

Japanese quail

LD50 2,256 mg/kg

Carp [96 hrs]

LC50 2.8 mg/l

Goldfish [96 hrs]

LC50 4.6 mg/l

Daphnia magna [48 hrs]

LC50 0.0012 ppm

Fate in soil:
Anilofos is rapidly degraded in soil. It has a half-life of around one week. The product does not bioaccumulate in soil and shows no tendency to leach to groundwater. Fate in aquatic systems:
Anilofos has a very short half-life in water.

Transport Information
Signal Word:DANGER; Hazard Class:Ib(Highly hazardous)

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