Surf Wiki
Save to docs
general/fluorides

From Surf Wiki (app.surf) — the open knowledge base

Methylphosphonyl difluoride

Methylphosphonoyl difluoride, EA-1251

Methylphosphonyl difluoride (DF), also known as EA-1251 or difluoro, is a chemical weapon precursor. Its chemical formula is CH3POF2. It is a Schedule 1 substance under the Chemical Weapons Convention. It is used for production of sarin and soman as a component of binary chemical weapons; an example is the M687 artillery shell, where it is used together with a mixture of isopropyl alcohol and isopropyl amine, producing sarin.

Preparation

Methylphosphonyl difluoride can be prepared by reacting methylphosphonyl dichloride with hydrogen fluoride (HF) or sodium fluoride (NaF).

Safety

Methylphosphonyl difluoride is both reactive and corrosive. It is absorbed through skin and causes burns and mild nerve agent symptoms. It reacts with water, producing HF fumes and methylphosphonic acid as a result. It is also capable of corroding glass.

Significance in international relations

In 2013–2014, the stockpile of chemicals covered by the CWC was removed from Syria and destroyed. Of the stockpile, 581 tons (over 96%) of the stockpile was DF. It was destroyed by the U.S. Army on the MV Cape Ray by hydrolysis.

References

References

  1. (24 August 2007). "Handbook of chemical and biological warfare agents". CRC Press.
  2. "Physical properties of standard agents, candidate agents, and related compounds at several temperatures".
  3. (12 Dec 1990). "Potential Military Chemical/Biological Agents and Compounds". Headquarters, Dept. of the Army.
  4. "U.S. Completes Destruction of Sarin Precursors from Syria on the Cape Ray". OPCW News.
  5. "Lessons Learned from the OPCW Mission in Syria". OPCW.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

fluorides organophosphine-oxides nerve-agent-precursors organic-compounds-with-1-carbon-atom
Want to explore this topic further?

Ask Mako anything about Methylphosphonyl difluoride — get instant answers, deeper analysis, and related topics.

Research with Mako

Free with your Surf account

Content sourced from Wikipedia, available under CC BY-SA 4.0.

This content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.

Report