O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate

Basic Information

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CAS Number

5598-13-0

Molecular Formula

C7H7Cl3NO3PS

Molecular Weight

322.54 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Insecticides

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

45.5-46.5 ºC

Boiling Point

347.3°Cat760mmHg

Density

1.0000

Refractive Index

1.581

SMILES

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COP(OC)(OC1=NC(Cl)=C(Cl)C=C1Cl)=S

InChI

InChI=1S/C7H7Cl3NO3PS/c1-12-15(16,13-2)14-7-5(9)3-4(8)6(10)11-7/h3H,1-2H3

InChIKey

HRBKVYFZANMGRE-UHFFFAOYSA-N

LogP

3.937900000000001

Topological Polar Surface Area

40.58 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

278

Safety Information

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GHS Hazard Pictograms

H317

H410

Hazard Statement

H317 May cause an allergic skin reaction
Sensitization, Skin

H410 Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Sensitiveness

对光敏感

Synonyms & References

English

chlorpyrifos-methyl
CHLORPYRIFOS METHYL
Dimethyl O-(3,5,6-trichloro-2-pyridyl) phosophorothioate
METHYL DURSBAN
O,O-DIMETHYL O-(3,5,6-TRICHLORO-2-PYRIDINYL) PHOSPHOROTHIOATE
O,O-DIMETHYL O-(3,5,6-TRICHLORO-2-PYRIDYL) PHOSPHOROTHIOATE
PYRIBAN-M
RELDAN
RELDAN(R)
Chloropyrifos-methyl
Chloropyriphos-methyl
Cooper graincote
Dowco 214
Dowco-214
Dursban methyl
ENT 27520
M 3196
Chlorpyrifos-methyl solution
ChlorpyrifosMethyl Solution
Chlorpyrifos-methyl Standard
Chlorpyriphos-methyl
dimethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy-λ<sup>5</sup>-phosphane
O,O-Dimethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate
Pesticide Mix 6
O,O-dimethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
O,O-Dimethyl-O-(3,5,6-trichloro-2-pyridyl)phosphorothioate
Chlorpyrifosmethyl Standard

MDL Number

MFCD00055310

Customs Code

2933399026

FAQ

What are the physical and chemical properties of O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate (CAS: 5598-13-0)?

O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate is a crystalline solid with a molecular weight of approximately 427.2 g/mol. It has a low solubility in water but is soluble in organic solvents like methanol and acetonitrile. This compound is highly reactive, particularly towards nucleophiles, and undergoes substitution reactions. It is used as an insecticide and herbicide.

How is O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate (CAS: 5598-13-0) typically synthesized?

O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate can be synthesized through the reaction of chloropyridine and dimethyl phosphorodithioate in the presence of a suitable base like potassium carbonate. The yield is typically around 70-80%, and the method involves careful control of reaction conditions to achieve high selectivity and purity.

What industries use O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate (CAS: 5598-13-0)?

O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate (CAS: 5598-13-0) is primarily used in the agricultural industry as an insecticide and herbicide. It is also utilized in the pharmaceutical industry for its pesticidal properties. Additionally, it plays a role in the formulation of certain chemical products for crop protection.

What precautions should be taken when handling O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate (CAS: 5598-13-0)?

Handling O,O-Dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate (CAS: 5598-13-0) requires strict safety measures. Wear personal protective equipment (PPE) including goggles, gloves, and a lab coat. Work in a well-ventilated area or under a fume hood. Avoid skin contact and inhalation. Spills should be cleaned up using appropriate absorbent materials and disposed of according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.