VOLTAGE(R)
Pyraclofos
CAS: 77458-01-6
Molecular Formula: C14H18ClN2O3PS
VOLTAGE(R) - Names and Identifiers
VOLTAGE(R) - Physico-chemical Properties
| Molecular Formula | C14H18ClN2O3PS |
| Molar Mass | 360.8 |
| Density | 1.27 |
| Melting Point | 25°C |
| Boling Point | 164approximate 164℃(0.013hPa) |
| Water Solubility | 33 |
| Vapor Presure | 1.6×10-6 Pa (20 °C) |
| Appearance | liquid |
| Specific Gravity | 1.271 (28℃) |
| Storage Condition | 0-6°C |
| Physical and Chemical Properties | Pale yellow oily liquid. B. p. 164 ℃/1.332Pa, relative density 1.271 (28 ℃), vapor pressure 1600 × 10-9Pa (20 ℃). It can be miscible with most organic solvents, slightly soluble in n-hexane, and has a solubility of 33mg/L in water at 20°C. Distribution coefficient 3.77. The half-life of hydrolysis reaction at 25 ℃ and pH 7 is 29d, 113d at pH 5 and 11h at pH 9. The half-life in soil is 50d. |
VOLTAGE(R) - Risk and Safety
| Risk Codes | 22 - Harmful if swallowed |
| UN IDs | 3018 |
| RTECS | TE8346000 |
| HS Code | 29331990 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
VOLTAGE(R) - Reference Information
| EPA chemical substance information | information provided by: iaspub.epa.gov (external link) |
| toxicity | rat acute oral LD50237mg/kg; Rat acute inhalation LC501.46mg/L (female), 1.69mg/L (male). No irritation to rabbit eyes and skin, no allergic to guinea pig skin. Rats feeding test no effect of the dose of 3 mg/kg feed. No carcinogenic, teratogenic and mutagenic effects were found in animal experiments. No Delayed Neurotoxicity. Carp lc500.028 mg/L (74H), quail acute mouth lc50164 mg/kg feed, pheasant lc50348 mg/kg feed. |
| Use | This product has poor anti-acetylcholine enzyme activity in vitro, but has good insecticidal activity against Spodoptera litura, the larvae of acetylcholinesterase due to this product poisoning lead to inhibition. This product shows higher inhibitory activity against insect aliphatic esterase (compared with acetylcholinesterase of nervous system). It has the effect of killing and stomach poison, and has no systemic activity to the root system. It is effective against a variety of pests such as Lepidoptera, Coleoptera, aphids, Diptera and cockroaches, and is also effective against spider mites, root mites, ticks and nematodes. Field experiments showed that the control objects included cotton bollworm, pink bollworm, coastal armyworm, cotton planthopper, tobacco thrips, potato beetle, potato tuber moth, tea moth, tea yellow thrips, alfalfa leaf elephant, tobacco day moth. The dosage was 0.5 ~ 1.5kg (active ingredient)/hm2. On the apple, citrus, pear and other fruit trees have a slight injury, with different varieties. |
| production method | 1-(4-chlorophenyl) preparation of 4-hydroxypyrazole 1-(4-chlorophenyl) was prepared by cyclization of 3-chloro-acetone aldehyde hydrazone-p-chlorobenzene in the presence of sodium hydroxide in methanol.-4-hydroxypyrazole. Synthesis of thiophos pyrazole 1-(4-chlorophenyl)-4-hydroxypyrazole in the presence of triethylamine in acetonitrile solution, O-ethyl-S-propylthiophosphoryl chloride, the reaction temperature was 50 ℃, and the reaction time was 3H. |
Last Update：2024-04-10 22:29:15
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