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| CAS No.: | 36001-88-4 |
|---|---|
| Name: | AMIPROFOS METHYL |
| Article Data: | 2 |
| Molecular Structure: | |
|
|
|
| Formula: | C11H17 N2 O4 P S |
| Molecular Weight: | 304.307 |
| Synonyms: | Phosphoramidothioicacid, (1-methylethyl)-, O-methyl O-(4-methyl-2-nitrophenyl) ester (9CI);Amiprofos-methyl;Amiprophos-methyl;BAY-NTN 6867;BAY-NTN 80;NSC 313446;NTN6867;NTN 80;O-(2-Nitro-4-methylphenyl) O-methylN-isopropylphosphoramidothioate;O-Methyl O-4-methyl-2-nitrophenylN-isopropylphosphoramidothioate;Tokunol M; |
| EINECS: | 252-829-4 |
| Density: | 1.275g/cm3 |
| Melting Point: | ~65 °C |
| Boiling Point: | 389.9°Cat760mmHg |
| Flash Point: | 189.6°C |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | A poison by ingestion. Low toxicity by skin contact. When heated to decomposition it emits toxic vapors of NOx, SOx, and POx. |
| PSA: | 118.21000 |
| LogP: | 4.71560 |
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Chemistry
Product Name: Amiprofos-methyl (CAS NO.36001-88-4)
Molecular Formula: C11H17N2O4PS
Molecular Weight: 304.3g/mol
Mol File: 36001-88-4.mol
Einecs: 252-829-4
Appearance: White or light yellow crystal
Melting Point: -65 °C
Boiling point: 389.9 °C at 760 mmHg
Flash Point: 189.6 °C
Density: 1.275 g/cm3
Surface Tension: 50.1 dyne/cm
Enthalpy of Vaporization: 63.93 kJ/mol
Vapour Pressure: 2.76E-06 mmHg at 25°C
XLogP3: 3.2
H-Bond Donor: 1
H-Bond Acceptor: 5
Uses
Organophosphorus herbicides. Control in paddy field and dry land Amiprofos-methyl (CAS NO.36001-88-4) can be a variety of annual weeds such as barnyard grass, amaranth, quinoa, crickets, grass, look good wheat, cattle, blankets, Monochoria grass, grass and so steadily for rice, tomatoes, lettuce, cabbage, peanuts , sugar cane, onions, carrots, cucumbers and other crops. Spraying volume 1.25 ~ 5.0kg/hm2.
Production
To 25.5g o-cresol and 27.5g O-methyl-thio-phosphorus dichloride completely dissolved, add 30mL acetone, in the 20 ~ 30 °C under 7.2g sodium hydroxide was added dropwise dubbed in 25% of the lye. Canada will continue after completion of mixing 1h. Reaction solution changed from orange-red orange, add 120mL benzene, dropwise 28.3mL isopropylamine, dripping continue after completion of stirring 1h, separating the organic layer, washed to neutral with steamed to the solvent the product was light yellow 38.0g, yield 70%, mp63 ~ 64 °C.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 540mg/kg (540mg/kg) | Shokubutsu Boeki. Vol. 32, Pg. 488, 1978. | |
| mouse | LD50 | skin | > 4gm/kg (4000mg/kg) | Shokubutsu Boeki. Vol. 32, Pg. 488, 1978. | |
| rat | LD50 | oral | 309mg/kg (309mg/kg) | "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revisionVol. 2, Pg. 212, 1977. | |
| rat | LD50 | skin | > 5gm/kg (5000mg/kg) | Shokubutsu Boeki. Vol. 32, Pg. 488, 1978. |
Safety Profile
A poison by ingestion. Low toxicity by skin contact. When heated to decomposition it emits toxic vapors of NOx, SOx, and POx.
Safety Information of Amiprofos-methyl (CAS NO.36001-88-4):
Hazard Codes: Xn.gif)
Risk Statements: 22
22: Harmful if swallowed
Safety Statements: 36
36: Irritating to the eyes
Specification
Amiprofos-methyl ,its CAS NO. is 36001-88-4,the synonyms is Amiprofos methyl ; o-Methyl o-(2-nitro-p-tolyl) n-isopropyl-phosphoramidothionate ; Amiprophosmethyl ; Bayntn6867 ; Bayntn80 ; n-Isopropyl-phosphoramidothioicacio-methylo-(2-nitro-p-tolyl)ester ; Ntn6867 ; Ntn80 .