Methylphosphonic acid
Agent Name
Methylphosphonic acid
CAS Number
993-13-5
Formula
C-H5-O3-P
Major Category
Other Classes
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: