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ChemicalBook >> CAS DataBase List >> O-Ethyl methylphosphonothioate

O-Ethyl methylphosphonothioate

O-Ethyl methylphosphonothioate price.
  • $499 - $1472
  • Product name: O-Ethyl methylphosphonothioate
  • CAS: 18005-40-8
  • MF: C3H9O2PS
  • MW: 140.14
  • EINECS:
  • MDL Number:MFCD00274635
  • Synonyms:Methylphosphonothioic acid O-ethyl ester;Methylthiophosphonic acid ethyl ester;Methylthiophosphonic acid O-ethyl ester;O-ethyl O-hydrogen Methylphosphonothioate;EMPSH;ETHYLMETHYLPHOSPHONOTHIOICACID;ORTHO-ETHYLMETHYLPHOSPHONOTHIOICACID;Methylmercaptophosphinic acid ethyl ester
Price7 Properties Safety Information Description
7 prices
Selected condition：
Brand
  • American Custom Chemicals Corporation
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 250mg
  • 500mg
  • 1G
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0156962
  • Product descriptionO-ETHYL METHYLPHOSPHONOTHIOATE 95.00%
  • Packaging1G
  • Price$975.05
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number445037
  • Product descriptionO-Ethyl methylphosphonothioate 90%
  • Packaging1g
  • Price$823
  • Updated2023-01-07
  • Buy
  • ManufacturerTRC
  • Product numberTRC-E923735-500MG
  • Product descriptionO-Ethyl Methylphosphonothioate
  • Packaging500mg
  • Price$903
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-E923735-250MG
  • Product descriptionO-Ethyl Methylphosphonothioate
  • Packaging250mg
  • Price$499
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-E923735-1G
  • Product descriptionO-Ethyl Methylphosphonothioate
  • Packaging1g
  • Price$1472
  • Updated2026-06-03
  • Buy
  • ManufacturerUsbiological
  • Product number461286
  • Product descriptionO-Ethyl Methylphosphonothioate
  • Packaging500mg
  • Price$1331
  • Updated2026-06-03
  • Buy
  • ManufacturerUsbiological
  • Product number461286
  • Product descriptionO-Ethyl Methylphosphonothioate
  • Packaging250mg
  • Price$665
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
American Custom Chemicals Corporation CHM0156962 O-ETHYL METHYLPHOSPHONOTHIOATE 95.00% 1G $975.05 2021-12-16 Buy
Sigma-Aldrich 445037 O-Ethyl methylphosphonothioate 90% 1g $823 2023-01-07 Buy
TRC TRC-E923735-500MG O-Ethyl Methylphosphonothioate 500mg $903 2026-06-03 Buy
TRC TRC-E923735-250MG O-Ethyl Methylphosphonothioate 250mg $499 2026-06-03 Buy
TRC TRC-E923735-1G O-Ethyl Methylphosphonothioate 1g $1472 2026-06-03 Buy
Usbiological 461286 O-Ethyl Methylphosphonothioate 500mg $1331 2026-06-03 Buy
Usbiological 461286 O-Ethyl Methylphosphonothioate 250mg $665 2026-06-03 Buy

Properties

Boiling point :73 °C1 mm Hg(lit.)
Density :1.18 g/mL at 25 °C(lit.)
refractive index :n20/D 1.487(lit.)
Flash point :225 °F
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Oil
pka :3.87±0.10(Predicted)
color :Colourless
Merck :13,3596
Stability :Hygroscopic, Moisture Sensitive

Safety Information

Symbol(GHS): Corrosion (GHS05)Skull and Crossbones (GHS06)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Precursor to chemical warfare agents.

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Suppliers and manufacturers

Shaanxi Dideu Medichem Co. Ltd
O-Ethyl methylphosphonothioate
O-Ethyl methylphosphonothioate CAS:18005-40-8
Energy Chemical Shanghai Hanhong Scientific Co.,Ltd. Syntechem Co.,Ltd LGC Science (Shanghai) Ltd.