Safety (MSDS) data for diphenylhydantoin  

Safety (MSDS) data for diphenylhydantoin

Hazard: toxic


    Synonyms: 5,5-diphenylhydantoin, phenitoin, phentoin, phenytoin, causoin, citrullanon, danten, dantinal, denyl, difenin, dilantine, epifenyl, epilan, phanatin, phenatine, zentronal; numerous other trade names
    Use: anticonvulsant
    Molecular formula: C15H12N2O2
    CAS No: 57-41-0
    EINECS No:

Physical data

    Appearance: white crystals or powder
    Melting point: ca. 295 - 297 C (decomposes)
    Boiling point:
    Vapour density:
    Vapour pressure:
    Density (g cm-3):
    Flash point:
    Explosion limits:
    Autoignition temperature:
    Water solubility:


    Stable. Combustible. Incompatible with strong oxidising agents, strong bases.


    Toxic. Human carcinogen, neoplastigen, teratogen, mutagen. Experimental carcinogen. May cause systemic effects. May case reproductive defects.

    Toxicity data
    (The meaning of any toxicological abbreviations which appear in this section is given here.)
    IPR-RAT LD50 200 mg kg-1
    IVN-RAT LD50 101 mg kg-1
    IPR-MUS LD50 100 mg kg-1
    ORL-CHD LDLO 67 mg kg-1
    ORL-CHD TDLO 11 mg kg-1 /d

    Risk phrases
    (The meaning of any risk phrases which appear in this section is given here.)
    R23 R24 R25 R45 R47.

Transport information

Personal protection

    Safety glasses, gloves, good ventilation. Handle as a carcinogen.

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This information was last updated on April 8, 2005. 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.