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| CAS No.: | 2540-82-1 |
|---|---|
| Name: | FORMOTHION |
| Molecular Structure: | |
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| Formula: | C6H12 N O4 P S2 |
| Molecular Weight: | 257.28 |
| Synonyms: | Phosphorodithioicacid, O,O-dimethyl ester, S-ester with N-formyl-2-mercapto-N-methylacetamide(8CI); Aflix; Anthio; Anthio 25; Anthio 33; CP 53926; ENT 27257; Formothion;O,O-Dimethyl S-(N-formyl-N-methylcarbamoylmethyl) phosphorodithioate;O,O-Dimethyl dithiophosphorylacetic acid N-methyl-N-formylamide; O,O-Dimethylphosphorodithioate N-formyl-2-mercapto-N-methylacetamide S-ester; S 6900; S6900 (insecticide); S-(N-Formyl-N-methylcarbamoylmethyl) O,O-dimethylphosphorodithioate; Toprose |
| Density: | 1.368g/cm3 |
| Melting Point: | 25.5℃ |
| Boiling Point: | 317.8°Cat760mmHg |
| Flash Point: | 146°C |
| Solubility: | 2600 mg l-1(24 °C) |
| Hazard Symbols: | Cholinesterase inhibitor. |
| Risk Codes: | 21/22-36/38-20/21/22-10 |
| Safety: | Poison by ingestion, inhalation, skin contact, and intravenous routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx. See also ESTERS. |
| PSA: | 131.83000 |
| LogP: | 1.59350 |
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Chemistry
Chemistry informtion about O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide (CAS NO.2540-82-1) is:
IUPAC Name: 2-Dimethoxyphosphinothioylsulfanyl-N-Formyl-N-Methylacetamide
Synonyms: S-[2-(Formylmethylamino)-2-Oxoethyl] O,O-Dimethyl Dithiophosphate ; S-[2-(Formylmethylamino)-2-Oxoethyl]-O,O-Dimethyl-Phosphorodithionate ; O,O-Dimethyl S-(N-Formyl-N-Methyl-Carbamoylmethyl)Phosphorodithioate ; Acetamide, N-Formyl-2-Mercapto-N-Methyl-, S-Ester With O,O-Dimethyl Phosphorodithioate ; Acetamide,N-Formyl-2-Mercapto-N-Methyl-,S-Esterwitho,O-Dimethylphosphoro ; Acetamide,N-Formyl-2-Mercapto-N-Methyl-,S-Esterwitho,O-Dimethylphosphorodi ; Afliz(Sandoz) ; Anthio 25
MF: C6H12NO4PS2
MW: 257.27
EINECS: 219-818-6
Density: 1.368 g/cm3
Flash Point: 146 °C
Boiling Point: 317.8 °C at 760 mmHg
Vapour Pressure: 0.000375 mmHg at 25°C
Enthalpy of Vaporization: 55.93 kJ/mol
Storage temp.: 2-8°C
Product Categories: Peptide
Following is the molecular structure of O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide (CAS NO.2540-82-1) is:
Uses
O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide (CAS NO.2540-82-1) is used as an insecticide and acaricide on crops and ornamentals. Not presently produced commercially in the U.S.
Toxicity Data With Reference
| 1. | mmo-sat 5 mg/plate | MUREAV Mutation Research. 116 (1983),185. | ||
| 2. | mma-sat 5 mg/plate | MUREAV Mutation Research. 116 (1983),185. | ||
| 3. | orl-rat LD50:250 mg/kg | IRGGAJ Internationales Archiv fuer Gewerbepathologie und Gewerbehygiene. 21 (1964),92. | ||
| 4. | skn-rat LD50:353 mg/kg | BJIMAG British Journal of Industrial Medicine. 26 (1969),59. | ||
| 5. | ivn-rat LD50:35 mg/kg | IRGGAJ Internationales Archiv fuer Gewerbepathologie und Gewerbehygiene. 22 (1966),246. | ||
| 6. | orl-mus LD50:190 mg/kg | SPEADM Special Publication of the Entomological Society of America. 78-1 ,1978,31. | ||
| 7. | ihl-mus LC50:27 mg/m3 | GISAAA Gigiena i Sanitariya. 40 (4)(1975),110. | ||
| 8. | orl-cat LD50:210 mg/kg | 85DPAN Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel Werner Perkow, Berlin, Germany.: Verlag Paul Parey,1971/76 | ||
| 9. | orl-rbt LD50:420 mg/kg | SPEADM Special Publication of the Entomological Society of America. 78-1 ,1978,31. |
Consensus Reports
EPA Extremely Hazardous Substances List.
Safety Profile
Poison by ingestion, inhalation, skin contact, and intravenous routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx. See also ESTERS.
Hazard Codes:
Xn
Risk Statements:
R21/22:Harmful in contact with skin and if swallowed.
R36/38:Irritating to eyes and skin.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R10:Flammable.
Safety Statements:
S36/37:Wear suitable protective clothing and gloves.
S36:Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: 3018
HazardClass: 6.1(b)
PackingGroup: III
Specification
General Description about O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide (CAS NO.2540-82-1) ,it is a viscous yellow oil or a crystalline mass. It hydrolyzed by water especially under alkaline conditions. [EPA, 1998]. It is susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides. Also, it is one of the least toxic systemic organophosphates.It is a compound of low to moderate toxicity. It causes the depression of cholinesterase, leading to accumulation of acetylcholine in the nervous system, which is believed to be responsible for the symptoms. When heated to decomposition, it emits very toxic fumes of nitrogen oxides, phosphorus oxides and sulfur oxides. It is an organophosphorus insecticide. Some of these materials may burn but none of them ignite readily. Container may explode in heat of fire. Fire and runoff from fire control water may produce irritating or poisonous gases. Avoid alkaline pesticides; hydrolyzed by water especially under alkaline conditions.