Methamidophos
Action/Use:
- Acaricide/Miticide
- ;
- Insecticide
Use:
Chewing and sucking insects, and spider mites on potatoes and cotton.
Identification
Common Name(s): Methamidophos (ANSI, ISO, BSI)
Chemistry
Class: Organophosphate.
Properties: Colorless crystalline. Melting point 46.1°C. Vapor pressure approx. 2.3 mPa at 20°C. Readily soluble in n-hexane, dichloromethane, 2-propanol, toluene.
Mode of Action / Resistance Management
Chemical Group: organophosphates
Mode of Action: Acetylcholinesterase (AChE) inhibitors
Action Group: IRAC Group 1B
Registration
U.S.A.: US EPA cancels methamidophos brand Monitor*. Distributors, retailers and growers can sell and use Monitor* on registered crops up to December 31, 2013. Any uses of of Monitor* after December 31, 2013 will be illegal.
Environmental Guidelines
Water Solubility: >200 g/l at 20° C
Safety Guidelines
Signal Word: DANGER
Toxicity Class: I
Toxicity: (Rat): Oral LD50 approx. 30 mg/kg
Suppliers and Branded Products
Basic Producers:
Agro-Care Chemical Industry Group Limited (Methalin*)
Bayer CropScience (Monitor*, Tamaron*)
Crystal Chemical Inter-America (Tamanox*)
Forward International Ltd. (Master*)
Hextar Chemicals Sdn Bhd (Multiphos*)
Hubei Sanonda Co., Ltd. (Giant*, Themanitar*)
Jiangsu Xinyi Pesticide Ltd. (Xinyi*)
Milenia Agrociencias S.A. (Metafos*)
NutriAg Ltd. (Citrimet*)
Pilar AgriScience (Canada) Corp. (Pilaron*)
Point Americas Inc. (Atila*)
Sabero Organics Gujarat Limited (Sabaron*)
Sundat (S) Pte. Ltd. (Grip*, Moniron*, Sniper*, Sundaphos*)
United Phosphorus Ltd. (Patrole*)
Zagro Singapore Pte. Ltd. (Laser*)
Formulators' Trade Names:
Agro Chemicals Industries Ltd. (ACI) (Sinator*)
Agrolex Pte. Ltd. (Amiphos*)
Agroquimicos Versa, S.A. de C.V. (Warrior*)
Asiatic Agricultural Industries Pte. Ltd. (Vitaphos*)
Chemiplant S.A. (Sherman*)
Dupocsa, Protectores Quimicos para el Campo S.A. (Crysmaron*, Crystal Metamidofos*, Tamanox*)
Ingenieria Industrial, S.A. de C.V. (Matón*)
Insecticidas Internacionales, C.A. (Amidor*)
Ivorychem Pte. Ltd. (Azone*)
Kuang Hwa Chemical Co., Ltd. (Demosan*)
Polsas Chemicals and Machinery Co. (Metaron*)
Proficol (Proficol* Methamidophos, Proficol* Monitor)
Rich Country Chemical Corp. (Tamaron*)
SAFA TARIM A.S. (SAFA Tamanex*)
B.V. Industrie- & Handelsonderneming Simonis (Woprotam*)
Stockton Agrimor AG (Metamidomor*)
Villa Crop Protection (METFOS*)
Willowood Ltd. (Tamimet*, Target*, Willotox*)
Discontinued Names:
Ardeyan*
Cekumidofos*
Ciclon*
Erkuron*
General*
KASA*
Medaron*
Metamidofos*
Methamidopaz*
Metrep*
Swipe*
Tamaron Combi*
Tamaron* EP
Taperon*
