S-(3,4-DIHYDRO-4-OXOBENZO[D]-[1,2,3]-TRIAZINE-3-YL-METHYL)O,O-DIMETHYL PHOSPHORODITHIOATE
AZINPHOS-METHYL
CAS: 86-50-0
Molecular Formula: C10H12N3O3PS2
S-(3,4-DIHYDRO-4-OXOBENZO[D]-[1,2,3]-TRIAZINE-3-YL-METHYL)O,O-DIMETHYL PHOSPHORODITHIOATE - Names and Identifiers
S-(3,4-DIHYDRO-4-OXOBENZO[D]-[1,2,3]-TRIAZINE-3-YL-METHYL)O,O-DIMETHYL PHOSPHORODITHIOATE - Physico-chemical Properties
| Molecular Formula | C10H12N3O3PS2 |
| Molar Mass | 317.32 |
| Density | 1.44 g/cm3 (20℃) |
| Melting Point | 73℃ |
| Boling Point | 421.3±55.0 °C(Predicted) |
| Water Solubility | 28 mg l-1(20 °C) |
| Vapor Presure | 5.0 x 10-7 Pa (20 °C) |
| Appearance | solid |
| Color | Crystals or brown, waxy solid |
| Exposure Limit | NIOSH REL: 0.2 mg/m3; OSHA PEL: TWA 0.2 mg/m3; ACGIH TLV:TWA 0.2 mg/m3. |
| Merck | 13,915 |
| BRN | 280476 |
| pKa | -2.60±0.20(Predicted) |
| Storage Condition | 0-6°C |
| Refractive Index | 1.6115 (589.3 nm 76℃ |
S-(3,4-DIHYDRO-4-OXOBENZO[D]-[1,2,3]-TRIAZINE-3-YL-METHYL)O,O-DIMETHYL PHOSPHORODITHIOATE - Risk and Safety
| Risk Codes | R24 - Toxic in contact with skin R26/28 - Very toxic by inhalation and if swallowed. R43 - May cause sensitization by skin contact R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R28 - Very Toxic if swallowed |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | 2783 |
| WGK Germany | 3 |
| RTECS | TE1925000 |
| Hazard Class | 6.1(a) |
| Packing Group | II |
| Toxicity | LD50 in female rats (mg/kg): 11 orally; 220 dermally (Gaines) |
S-(3,4-DIHYDRO-4-OXOBENZO[D]-[1,2,3]-TRIAZINE-3-YL-METHYL)O,O-DIMETHYL PHOSPHORODITHIOATE - References
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| The U.S. Environmental Protection Agency and the New Zealand Environmental Risk Administration have decided to eliminate the use of cotton phosphorus | Cotton phosphorus (azinphos-methyl) is a neurotoxin with good insecticidal effect. It is used for pest control of crops such as strawberries, summer fruits and potatoes. It is a broad-spectrum organophosphorus insecticide. But the U.S. Environmental Protection Agency believes that it carries an unacceptable risk to farm workers and also kills fish when it spreads into the water. The U.S. Environmental Protection Agency decided that no one should use cotton-retaining phosphorus after the summer of 2012. Cherry growers were one of the last farmers to use cotton phosphorus. For 50 years, growers have been relying on cotton phosphorus to protect fruits from worms and deworming. Cotton-protecting phosphorus comes from the nerve gas of World War I. When they spray cotton phosphorus, every little worm in the orchard will surely die. A small number of growers have been trying to find alternatives to cotton phosphorus. The New Zealand Environmental Risk Authority (ERMA) has been evaluating the use of cotton-containing phosphorus as part of a broader review of compounds and has decided to phase it out of the market within five years. The agency will also strengthen controls during this period to reduce threats to people and the environment. These include a ban on domestic use or aerial spraying and a limit on the number of uses in a year. ERMA stated that the elimination period was set at 5 years because this is the time required to develop alternative products. |
| category | pesticide |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 7 mg/kg; Oral-mouse LD50: 8.6 mg/kg |
| stimulation data | eye-rabbit 24.4 mg severe |
| flammability hazard characteristics | open flame is combustible; heating emits toxic sulfur oxide, nitrogen oxide, and phosphorus oxide gases |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | sand, dry powder, foam |
| occupational standard | TWA 0.2 mg/m3; STEL 0.6 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-threatening and health concentration | 10 mg/m3 |
Last Update：2024-04-10 22:29:15
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