General
Synonyms: DFP, fluorodiisopropyl phosphate,
diisopropyl phosphorofluoridate, diflos, various trade names
Molecular formula: C6H14FO3P
CAS No: 55-91-4
EINECS: 200-247-6
Physical data
Appearance:
Melting point: -82 C
Boiling point: 46 C at 5 mm Hg, 62 C at 9 mm Hg
Vapour density:
Vapour pressure:
Specific gravity: 1.055
Flash point:
Explosion limits:
Autoignition temperature:
Stability
Stable. Moisture sensitive.
Toxicology
Acute toxin. Note the exceptionally low LD50 below. Neurotoxic agent.
Toxicity data
(The meaning of any abbreviations which appear in this section is given
here.)
ORL-RAT LD50 1.3 mg kg-1
Transport information
Personal protection
This material must not be used unless a full risk
assessment has been prepared in advance. Safety glasses,
gloves and high-quality containment are required.
[Return to
Physical & Theoretical Chemistry Lab. Safety home page.]
This information was last updated on September 9, 2003.
We have tried to make it as accurate and useful as possible,
but can take no responsibility for its use, misuse, or
accuracy. We have not verified
this information, and cannot guarantee that it is up-to-date.