Methomyl 98% Tech

Systemic insecticide and acaricide with contact and stomach action uset mainly as foliar spray for control of a wide range of insects (particularly Lepidophtera, Hemiptera, Diphtera and Coleoptera) and spider mites in vegetables, soybean, maize, other field crobs, citrus and other fruit crops and ornamentals. Also used againt files in animal and poultry houses and dairies
 

 
 
DATA SHEET  
   
CHEMICAL NAME S-methyl N-(methylcarbamoyloxy) thioacetimidate
   
STRUCTURAL FORMULA
   
EMPIRICAL FORMULA :  C5H10N2O2S
   
MOLECULAR WEIGHT :  162.2
 
SPECIFICATION OF TECHNICAL PRODUCT
Methomyl
:  Min. 98.0%
Water content
:  Max.  1.0%
   
PHYSICAL PROPERTIES  
Appearance
:  White to cream crystalline powder, with a slightly sulfurous odour
Melting point
:  78-79oC
Vapour pressure
:  0.72 mPa at 25oC
Solubility
:  At 25oC : 57.9 g/l water; 730 g/kg acetone; 420 g/kg ethanol; 220 g/kg isopropanol; 1000 g/kg methanol; 30 g/kg toluene.
Stability
:  Stable in water for 30 d (pH 5 and 7, 25°C), unstable in alkaline
   media
Analysis of products
:  By HPLC
   
MODE OF ACTION AND USES  
Systemic insecticide and acaricide with contact and stomach action used mainly as foliar spray for control of a wide range of insects  (particularly Lepidophtera, Hemiptera, Homoptera, Diphtera and Coleoptera) and spider mites in vegetables, soybean, maize, other field crops, citrus and other fruit crops and ornamentals.  Also used against flies in animal and poultry houses and dairies.
   
TOXICOLOGY  
Acute oral LD50
:  For male rats 34 mg/kg and for female rats 30  mg/kg.
Acute percutaneous LD50
:  For  rabbits >2000 mg/kg.
Inhalation LC50 (4 h)
 : For rats 0.258 mg/l air (aerosol)
No observable effect level (2 y)
:  For rats and dogs 100 mg/kg diet, for mice 50 mg/kg diet
Birds Acute oral LD50
:  For northern bobwhite quail 24.2 mg/kg b.w.
Dietary LC50 (8 d)  
:  For northern bobwhite quail 5620 mg/kg diet , mallard ducks  1780 mg/kg diet
Fish LC50 (96 h)
:  For rainbow trout 2.49 mg/l, bluegill  sunfish 0.63mg/l.
   
CAUTION  
May be harmful if swallowed or inhaled.  Do not breathe dust or spray mist.  Do not get in eyes, on skin or on clothing.  Wash contaminated clothing with soap and hot water before reuse.  Do not contaminate food or feed.  Keep out of reach of children.  In case of poisoning call a physician immediately.
 
PACKING FOR TECHNICAL PRODUCT
Fibre drum with inner PE bag, net weight  50 kgs, 30 Kgs or 25 Kgs
   
FORMULATIONS AVAILABLE  
Methomyl 90% w/w Soluble Powder
Methomyl 40% w/w Soluble Powder (METINDO 40 SP)
Methomyl 25% w/w Wettable Powder (METINDO 25 WP)
Methomyl 24% w/v Soluble Liquid
Methomyl 8% w/v Soluble liquid (METINDO 80 SL)