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ChemicalBook >> CAS DataBase List >> DEMETON-S-METHYL

DEMETON-S-METHYL

DEMETON-S-METHYL price.
  • $120 - $1871.1
  • Product name: DEMETON-S-METHYL
  • CAS: 919-86-8
  • MF: C6H15O3PS2
  • MW: 230.29
  • EINECS:213-052-6
  • MDL Number:MFCD00055464
  • Synonyms:methylisosystox ;Methyl-mercaptofos teolery;methyl-mercaptofosteolery ;methyl-mercaptofosteolovy(ussr) ;methylmercaptofostiol(ussr) ;Methylthionodemeton;O,O-Dimethyl 2-ethylmercaptoethyl thiophosphate, thiolo isomer;O,O-Dimethyl S-(2-eththioethyl)phosphorothioate
Price8 Properties Safety Information Description
8 prices
Selected condition：
Brand
  • American Custom Chemicals Corporation
  • Biosynth
  • Sigma-Aldrich
  • TRC
Package
  • 2mg
  • 5mg
  • 10mg
  • 25mg
  • 50mg
  • 100MG
  • 2ml
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberPST0000278
  • Product descriptionDEMETON-S-METHYL 95.00%
  • Packaging100MG
  • Price$1871.1
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21032
  • Product descriptionDemeton-S-methyl
  • Packaging10mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21032
  • Product descriptionDemeton-S-methyl
  • Packaging25mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21032
  • Product descriptionDemeton-S-methyl
  • Packaging2mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21032
  • Product descriptionDemeton-S-methyl
  • Packaging50mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21032
  • Product descriptionDemeton-S-methyl
  • Packaging5mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number34234
  • Product descriptionDemeton-S-methyl solution 100μg/mL in acetonitrile, PESTANAL
  • Packaging2ml
  • Price$120
  • Updated2026-04-30
  • Buy
  • ManufacturerTRC
  • Product numberD231370
  • Product descriptionDemeton-S-methyl
  • Packaging50mg
  • Price$145
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
American Custom Chemicals Corporation PST0000278 DEMETON-S-METHYL 95.00% 100MG $1871.1 2021-12-16 Buy
Biosynth FD21032 Demeton-S-methyl 10mg $900 2026-06-04 Buy
Biosynth FD21032 Demeton-S-methyl 25mg $900 2026-06-04 Buy
Biosynth FD21032 Demeton-S-methyl 2mg $900 2026-06-04 Buy
Biosynth FD21032 Demeton-S-methyl 50mg $900 2026-06-04 Buy
Biosynth FD21032 Demeton-S-methyl 5mg $900 2026-06-04 Buy
Sigma-Aldrich 34234 Demeton-S-methyl solution 100μg/mL in acetonitrile, PESTANAL 2ml $120 2026-04-30 Buy
TRC D231370 Demeton-S-methyl 50mg $145 2021-12-16 Buy

Properties

Melting point :<25℃
Boiling point :118℃
Density :1.207 g/cm3
vapor pressure :4 x 10-2 Pa (20 °C)
refractive index :1.511 (589.3 nm 20℃)
Flash point :2 °C
storage temp. :-18°C
Water Solubility :22,000 mg-1 (20 °C)
Merck :13,6077
Henry's Law Constant :3.7×102 mol/(m3Pa) at 25℃, HSDB (2015)
Major Application :agriculture
InChI :1S/C6H15O3PS2/c1-4-11-5-6-12-10(7,8-2)9-3/h4-6H2,1-3H3
InChIKey :WEBQKRLKWNIYKK-UHFFFAOYSA-N
SMILES :CCSCCSP(=O)(OC)OC
EPA Substance Registry System :Demeton-S-methyl (919-86-8)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)Skull and Crossbones (GHS06)Environment (GHS09)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P391 Collect spillage. Hazardous to the aquatic environment
P501 Dispose of contents/container to..…

Description

Demeton-S-methyl is pale yellow in colour and oily and has a sulphur-like odour. It is sparingly soluble in water but very rapidly soluble in common polar organic solvents such as dichloromethane, 2-propanol, toluene, and n-hexane. It is a highly toxic, systemic, and contact insecticide and acaricide and classified as Category I. It is used for the control of insects, aphids, sawflies, and spider mites on cereals, fruits, vegetables, and ornamental plants. On heating, demeton-S-methyl undergoes decomposition and emits very toxic fumes, phosphorus oxides, and sulphur oxides.

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