Methylphosphonyl difluoride
Agent Name
Methylphosphonyl difluoride
CAS Number
676-99-3
Formula
C-H3-F2-O-P
Major Category
Toxic Gases & Vapors
Synonyms
DF; Difluoro; Difluoromethylphosphine oxide; Methyl difluorophosphite; Methylphosphonic difluoride; Methylphosphonyldifluoride; Phosphonodifluoridic acid, methyl-; Phosphonic difluoride, P-methyl-; Phosphonic difluoride, methyl-; [ChemIDplus] Agent DF; Difluor; [HSDB]
Category
Chemical Weapons
Description
Liquid with a pungent acrid odor; [HSDB]
Sources/Uses
Used to make 'G' series nerve agents (i.e. sarin and soman) and as a component of GB2 (binary nerve agent); [HSDB]
Comments
Causes cyanosis, dehydration, other changes in olfaction, aggression, dyspnea, muscle weakness, and ataxia in acute inhalation studies of mammals; [RTECS] See "Methylphosphonofluoridic acid." See "Phosphonic difluoride."
Biomedical References
Exposure Assessment
Vapor Pressure
36 mm Hg
Lethal Concentration
LCLo (rat) = 1,842 mg/m3/30min
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.