Tetramethrin |
Common Name : |
Tetramethrin |
| Other name : |
phthalthrin |
Chemical name: |
3,4,5,6 - tetrahydro- phthalimidomethyl-chrysanthemate |
Molecular formula: |
C19H25NO4 |
Molecular weight: |
331.42 |
CAS No: |
7679-12-0 |
Chemistry Structures: |
 |
| Property: |
Description |
Colorless to light yellow-brown solid |
Purity |
94% |
S.g./density |
1.1 |
V.p. |
0.00095Pa/30℃ |
M.p |
68-70℃ |
Solubility |
Soluble in benzene, methanol, acetone, xylene and chloroform, in water 4.6 mg/l . |
Stability |
Stable to heat, unstable in light and revolves with alkali and some emulsifier |
Acute toxicity (Rat) |
Oral LD50 |
2500 mg/kg |
|
Dermal LD50 |
5000 mg/kg |
|
Inhale LC50 |
> 2740 mg/m3 |
toxicity |
Minimal safe dosage to rats 15000ppm diet |
Irritation |
None |
Toxicity class |
WHO (a.i.) Ⅲ |
Application: |
It is one of KMCI's chief products with physical and chemical properties similar to tetramethrin of seaover and one of popular insecticides recommended by World Health Organization.
It is a potent insecticide with a rapid knowdown to household pests (mosquito, fly) and expelling action to roach but no lethal effect , in mixture with other insecticides against household pests (mosquito, fly, roach) garden and food-storage pests.
The dosage of active ingredient is recommended as follows. |
Aerosol: |
content: 0.1-0.3% in mixture with lethal agent, synergist and emulsifier. |
Spray: |
0.5-2.0mg/m3 with kerosene as solvent |
EC: |
diluted with 40-80 times of water. |
Bio-effect: Table 1. Toxicity and lethal dosage |
|
Pest |
LD50 (μg/g) |
100% death (g/m2) |
House Fly |
8-10.7 |
0.05 |
Cimex lectularius |
5.6-10 |
0.3-0.5 |
Periplaneta |
15-17.3 |
0.58 |
Black periplaneta |
24-27 |
- |
|
|
Table 2. Effectively to fly |
|
|
KT50(min) |
Tetramethrin 0.2% + S2 |
2.8 |
|
Notice: |
1. Avoid mixture with food and forage, and avoid reach of children.
2. Use respirator and glove when handling ,clean completely with soap and water when splashed into skin.
3. Destroy and bury waste drum or dip it into alkali liquid for several days for recycling uses.
4. Storage in dry, cold area and avoid light |
