Methylphosphonic acid

Agent Name
Methylphosphonic acid
CAS Number
993-13-5
Formula
C-H5-O3-P
Major Category
Other Classes
Methylphosphonic acid formula graphical representation
Synonyms
Methyl phosphonic acid; Methylphosphonate; Methanephosphonic acid; Phosphonic acid, methyl-; [ChemIDplus] UN3261
Category
Organic Acids
Description
White solid; [HSDB] White flakes or crystalline solid; [MSDSonline]
Sources/Uses
Breakdown product of the nerve agents sarin, soman, and VX; Used in the production of lubricant additives, to treat textiles, and to simulate chemical warfare agents; [HSDB]
Comments
A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]
Biomedical References

Exposure Assessment

Vapor Pressure
2E-06 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, organic, n.o.s."

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: