Dimethoate
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Dimethoate
structure -
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CAS No:
60-51-5
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Formula:
C5H12NO3PS2
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Chemical Name:
Dimethoate
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Synonyms:
Phosphorodithioic acid,O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] ester;Phosphorodithioic acid,O,O-dimethyl ester,S-ester with 2-mercapto-N-methylacetamide;Phosphorodithioic acid,O,O-dimethyl S-(methylcarbamoylmethyl) ester;CL 12880;8014 Bis HC;Cygon;Cygon Insecticide;Dimethoate;O,O-Dimethyl S-(N-methylcarbamoylmethyl) phosphorodithioate;Dimeton;Experimental Insecticide 12880;Fostion MM;Lurgo;S-Methylcarbamoylmethyl O,O-dimethyl phosphorodithioate;Perfekthion;Phosphamide;Rogor L;Rogor P;Roxion;BI 58;PEI 75;Rogor 40;Rogor;Fosfotox;Phosphamid;Fosfotox R 35;O,O-Dimethyl S-(N-methylcarbamoylmethyl) dithiophosphate;Rogor 20L;Daphene;ENT 24650;Fosfotox R;De-fend;American Cyanamid 12,880;Cygon 4E;FIP;Fosfatox R;Dimevur;Racusan;Sinoratox;Systoate;Systemin;Sistemin;Cygon 2E;Tara 909;Aadimethoal;Tara;Perfekthion S;Cygon 400;Systemin (pesticide);Dimate;Dimate (insecticide);Tiomet;Laition;Chloromezyl;Dimezyl;Dimezyl 400EC;Ditimur 40;Danadim;Bi 58 Nowy 400EC;Bi 58 Nowy;Cerox;Dudu Ethoate;Super Ethoate;Agrithoate 40EC;Tafgor 40EC;TATA TAFGOR;11003-53-5;11096-20-1;56833-73-9;79956-18-6
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CAS No:
Description
Dimethoate is a gray-white crystalline solid at room temperature. It is sparingly soluble in water, soluble in methanol and cyclohexane, but very soluble in chloroform, benzene. It has been classifi ed by the US EPA under GUP. Dimethoate is used extensively for the control of crop pests, such as mites, aphids, thrips, plant-hoppers, white-fl ies, and a wide range of other insects that damage, crops, fruits, vegetables, and ornamental plants. Dimethoate is also used for the control of cattle gru
Characteristics
105
0.5/0.8
Dimethoate appears as a white crystalline solid, with a camphor-like odor, white to grayish crystals for technical product. This material is a contact and systemic organophosphate insecticide effective against a broad range of insects and mites when applied on a wide range of crops. It has not been produced in the U.S. since 1982. (EPA, 1998)
1.277 g/cm3 @ Temp: 65 °C
49 °C
107 °C @ Press: 0.05 Torr
107 °C
1.548
H2O: Slightly soluble . 2.5 g/100 mL
0-6°C
Vapour pressure, Pa at 25°C: 0.001
Oral-rat LD50: 60 mg/kg; Oral-Mouse LD50: 60 mg/kg
Decompose toxic phosphorus oxide, sulfur oxide, nitrogen oxide gas by heating
CAMPHOR-LIKE ODOR
Safety Information
III
6.1(b)
UN 2783
3
21/22-63-43-36/37/38-23/24/25-45-36-20/21/22-11-67-40
2-36/37-24/25-23-53-26-16
TE1750000
Xn,T,F
The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials
Stable in aqueous solutions at pH 2-7, but hydrolyzes in alkaline media.
P280
H302-H312
Computed Properties
Molecular Weight:229.3
XLogP3:0.8
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:5
Exact Mass:228.99962259
Monoisotopic Mass:228.99962259
Topological Polar Surface Area:105
Heavy Atom Count:12
Complexity:191
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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