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O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide

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Name

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide

EINECS N/A
CAS No. 2540-82-1 Density 1.368g/cm3
PSA 131.83000 LogP 1.59350
Solubility 2600 mg l-1(24 °C) Melting Point 25.5℃
Formula C6H12 N O4 P S2 Boiling Point 317.8°Cat760mmHg
Molecular Weight 257.28 Flash Point 146°C
Transport Information N/A Appearance N/A
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. Risk Codes 21/22-36/38-20/21/22-10
Molecular Structure Molecular Structure of 2540-82-1 (FORMOTHION) Hazard Symbols Cholinesterase inhibitor.
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

 

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide Chemical Properties

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:

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide 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.

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide 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.

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide Consensus Reports

EPA Extremely Hazardous Substances List.

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide 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:
HarmfulXn
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

O,O-Dimethyl Dithiophosphorylacetic Acid-N-Methyl-N-Formylamide 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.

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