Safety (MSDS) data for diisopropylfluorophosphate  

Safety (MSDS) data for diisopropylfluorophosphate

Hazard: very toxic


    Synonyms: DFP, fluorodiisopropyl phosphate, diisopropyl phosphorofluoridate, diflos, various trade names
    Molecular formula: C6H14FO3P
    CAS No: 55-91-4
    EINECS: 200-247-6

Physical data

    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:


    Stable. Moisture sensitive.


    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.

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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.