nav Searchuser
Chemical Identification
Common Name
Monocrotophos
中文通用名
久效磷
IUPAC
dimethyl (E)-1-methyl-2-(methylcarbamoyl)vinyl phosphate; 3-dimethoxyphosphinoyloxy-N-methylisocrotonamide
CAS
(E)-dimethyl 1-methyl-3-(methylamino)-3-oxo-1-propenyl phosphate
CAS No.
[6923-22-4]
Molecular Formula
C7H14NO5P
Molecular Structure
Category
Activity
Insecticide, acaricide
Premix
Fenvalerate+monocrotophos
Concentrate, ULV, water miscible. 
Premix Parters: triadimefon; triadimenol;
Physical Properties
Molecular weight:223.2; Physical form:Colourless, hygroscopic crystals; (, >74%): dark brown semi-solid). Density:1.22 /l (20 °C).; Melting point:54-55 °C; Vapour pressure:2.9 ×10-1 (20 °C); 9.8 × 10-1 (separate studies); Partition coefficient(n-octanol and water):logP = -0.22 ; Solubility:In water 100% (20 °C). In methanol 100%, acetone 70%, n-octanol 25%, toluene 6% (all 20 °C). Sparingly soluble in kerosene and diesel oil.; Stability:Decomposes >38 °C, thermal run-away reactions can occur >55 °C; on hydrolysis (20 °C), 50 (96 d ( 5), 66 d ( 7), 17 d ( 9); unstable in short-chai;
Toxicology
Oral:Acute oral LD50 for male rats 18, female rats 20 /. Percutaneous:Acute percutaneous LD50 for rabbits 130-250, male rats 126, female rats 112 /kg. Non-irritating to skin and eyes (rabbits). Inhalation:LD50 (4 h) for rats c. 0.08 /l air. Phytotoxicity:Non-phytotoxic when used
Environmental Profile
Ecotoxicology: 
Bees:Highly toxic to bees. LD50 (oral) 0.028-0.033 /bee; (topical) 0.025-0.35 /bee.Birds:Acute oral LD50 (14 d) for mallard ducklings 4.8, male Japanese quail 3.7, male bobwhite quail 0.94, chickens 6.7, young pheasants 2.8, partridges 6.5, pigeons 2.8, house sparrows 1.5 /.Daphnia:50 (24 h) 0.24 mg/l.Fish:LD50 (48 h) for rainbow trout 7 /l; (24 h) for rainbow trout 12, bluegill sunfish 23 /l.Other aquatic spp.:LD50 (96 h) for Gammarus fasciatus 0.3, Macrobrachium lamerrii 1.9, Crassostrea virginica >1 /l. 

Environmental fate: 
Metabolism and breakdown in plants, animals and soil has been reviewed (K. I. Beynon , Residue Rev., 1973, 47, 55).Animals:In mammals, following oral administration, 60-65% is excreted within 24 hours, predominantly in the urine.Soil:Rapidly degraded in soil; LD50 (lab.) 1-5 d.
Transport Information
Signal Word:DANGER-POISON; Hazard Class:Ia(Extremely hazardous)

Porduct NewsMore

Australia - Crown rot fight can now begin with Syngenta's Vibrance

Difenoconazole Metalaxyl-M Sedaxane

Swiss ban fungicide chlorothalonil

Chlorothalonil

Mississippi farm controls pigweedst with Enlist One® herbicide

2,4-D Choline

EU told not to 'punish' farmers as 'vital' substances set to expire

Benfluralin Dimoxystrobin Fluazinam Flutolanil Mancozeb Mecoprop-P Metiram Oxamyl Pyraclostrobin

Bayer reaches agreement to postpone more glyphosate lawsuits for settlement talks

Glyphosate

Ourofino recommends preventive action for coffee rust

Flutriafol

France bans sulfoxaflor products, citing risk to bees

Sulfoxaflor

Brazil: Rio Grande do Sul suspends application of 2,4-D until end of year

2,4-D

Gowan Company announces acquisition of fenamidone and pencycuron from Bayer

Fenamidone Pencycuron

Production process of Zhongshan Chemical’s pinoxaden intermediate passes provincial certification

Pinoxaden

Related CompaniesMore

Dhanuka Agritech Ltd.

Country:  India

Oxyfluorfen Kasugamycin Carfentrazone-ethyl Bispyribac-sodium Pyrithiobac-sodium Quizalofop-P-ethyl Halosulfuron-methyl Carbendazim+mancozeb Tricyclazole Flusilazole Flusilazole+Carbendazim Iprovalicarb+propineb Propineb Difenoconazole+Propiconazole Isoprothiolane Kasugamycin+copper oxychloride Azoxystrobin+difenoconazole Azoxystrobin+Tebuconazole Propargite Cartap hydrochloride Bifenthrin Carbosulfan Emamectin benzoate Acetamiprid Buprofezin Spinosad Chlorantraniliprole Chlorantraniliprole Spiromesifen Imidacloprid Flubendiamide Cyflumetofen Pyriproxyfen Cartap hydrochloride Pendimethalin Pendimethalin Imazethapyr Clodinafop-propargyl Paraquat dichloride Chlorimuron-ethyl 2,4-D dimethyl amine salt Butachlor Copper oxychloride Carbendazim Copper hydroxide Hexaconazole Kasugamycin Carbendazim+mancozeb Carboxin+thiram Carboxin+thiram Propiconazole Imidacloprid Cartap hydrochloride Cartap hydrochloride Sulfoxaflor Fipronil Lambda-cyhalothrin Lambda-cyhalothrin Quinalphos Phenthoate Chlorpyrifos Dinotefuran Fipronil Fipronil Triazophos Monocrotophos Cypermethrin Cypermethrin Chlorantraniliprole Lambda-cyhalothrin Diafenthiuron Chlorpyrifos+cypermethrin

Atlantic Crop Science

Country:  India

India Pesticides Limited

Country:  India

Sudarshan Chemical Industries Ltd.

Country:  India

Advance Pesticides

Country:  India