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Dimethoate

Dimethoate structure

CAS No:
60-51-5
Formula:
C5H12NO3PS2
Chemical Name:
Dimethoate
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
Categories:
Agrochemicals > Insecticides

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

Dimethoate Basic Attributes

Molecular Weight：

229.26

Exact Mass：

229.26

EC Number：

200-480-3

HScode：

29309090

Characteristics

PSA：

105

XLogP3：

0.5/0.8

Appearance：

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)

Density：

1.277 g/cm³ @ Temp: 65 °C

Melting Point：

49 °C

Boiling Point：

107 °C @ Press: 0.05 Torr

Flash Point：

107 °C

Refractive Index：

1.548

Water Solubility：

H2O: Slightly soluble . 2.5 g/100 mL

Storage Conditions：

0-6°C

Vapor Pressure：

Vapour pressure, Pa at 25°C: 0.001

Toxicity：

Oral-rat LD50: 60 mg/kg; Oral-Mouse LD50: 60 mg/kg

Flammability characteristics：

Decompose toxic phosphorus oxide, sulfur oxide, nitrogen oxide gas by heating

Odor：

CAMPHOR-LIKE ODOR

Safety Information

Packing level：

III

Hazard category：

6.1(b)

Transport codes：

UN 2783

wgk germany：

hazard class code：

21/22-63-43-36/37/38-23/24/25-45-36-20/21/22-11-67-40

safety instructions：

2-36/37-24/25-23-53-26-16

RTECS Number：

TE1750000

Marks：

Xn,T,F

Storage features：

The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials

Stability/Shelf Life：

Stable in aqueous solutions at pH 2-7, but hydrolyzes in alkaline media.

Precautionary statement(s)：

P280

Hazard Statements：

H302-H312

Toxicity

Toxicity class：

highly toxic

Dimethoate Use and Manufacturing

Systemic and contact insecticide.

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

Material

Magnesium sulfate heptahydrate

Toluene

Magnesium oxide

Sodium bicarbonate

Sodium carbonate

Trichloroethylene

Chloroacetic acid

Downstream Products

Magnesium fluorosilicate

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