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Specification |
| |
Active Ingredient |
98% min. |
| |
Appearance |
colorless crystalline and slightly sulfurous odor. |
| |
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Physical and chemical
properties |
| |
Chemical Name |
S-methyl N- ( methylcarbamoyloxy ) thioacetimidate |
| |
Empirical Formula |
C5H10N2O2S |
| |
Molecular Weight |
162.2 |
| |
Structural Formula |
 |
| |
Melting point |
78-79°C |
| |
Solubility |
58g/kg in water, 1000g/kg in methanol, 730g/kg
in acetone, 420g/kg in ethanol, 220g/kg in isopropanol, 30g/kg in
toluene |
| |
Vapor pressure |
6.65 mPa at 25°C |
| |
Corrosive properties |
Non-corrosive. |
| |
Explosive properties |
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| |
Combustible properties |
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Application |
| |
|
Methomyl is a broad spectrum carbamate insecticide;
a fast acting anti-cholinesterase agent; and, a direct contact and
stomach action poison. A plant systemic of high acute toxicity to
mammals, it is non-cumulative and rapidly metabolized in both plants
and animals to substances of lower toxicity. Methomyl is particularly
effective against organophosphorus resistant pests.
Methomyl is effective against a wide range of plant parasitic
insects and stored product pests, such as heliothis armigera, heliothis
assulta, pieris rapae, plutella xylostella, aphides, phytomyza atricormis
on cotton, tobacco, orange vegetable and so on, especially those
which are resistant to organophosphorus pesticides.
Methomyl is used most effectively as a foliar treatment of certain
vegetable and fruit crop, field crops and commercial plantings of
ornamentals.
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Toxicology Data |
| |
1. |
Acute Oral Toxicity Study |
| |
2. |
Acute Dermal Toxicity Study |
| |
3. |
Acute Eye Irritation Study |
| |
4. |
Acute Skin Irritation Study |
| |
5. |
Skin Sensitization Test |
| |
6. |
Acute Inhalation Toxicity Study |
| |
7. |
Ames Test |
| |
8. |
Micronucleus Test |
| |
9. |
Delayed Neurotoxicity Study |
| |
10. |
Bone marrow micronucleus test |
| |
11. |
Spermatogonial Chromosome Aberration Test |
| |
12. |
Bacilius subtilis Repair Test |
| |
13. |
Acute Toxicity Study to Daphnia |
| |
14. |
Acute Fish Toxicity Study |
| |
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Material Safety Data
Sheet (MSDS) |
| |
1. |
chemical product and company identification |
| |
2. |
composition / information on ingredients |
| |
3. |
hazards identification |
| |
4. |
first aid measures |
| |
5. |
fire fighting measures |
| |
6. |
accidental release measures |
| |
7. |
handling and storage |
| |
8. |
exposure controls / personal protection |
| |
9. |
physical and chemical properties |
| |
10. |
stability and reactivity |
| |
11. |
toxicological information |
| |
12. |
ecological information |
| |
13. |
disposal considerations |
| |
14. |
transport information |
| |
15. |
regulatory information |
| |
16. |
other information |
| |
enquire
detailed MSDS of Methomyl |