Safety (MSDS) data for 4,4'-sulfonyldianiline

Safety (MSDS) data for 4,4'-sulfonyldianiline

Hazard: harmful


    Synonyms: 4,4'-diaminodiphenyl sulfone, 4,4'-sulfonylbisbenzamine, bis(4-aminophenyl)sulfone, bis(4-aminophenyl)sulphone, di(p-aminophenyl)sulfone, di(4-aminophenyl)sulfone, diaphenylsulfon, dapsone, avlosulfon, cryosulfone, dapps, dds, diphenasone, disulone, dss, diphone, eporal, maloprim, metabolite c, tarimyl, numerous further systematic and trade names
    Use: antibacterial drug
    Molecular formula: C12H12N2O2S
    CAS No: 80-08-0
    EINECS No:

Physical data

    Appearance: white crystalline powder
    Melting point: 175 - 176 C
    Boiling point:
    Vapour density:
    Vapour pressure:
    Density (g cm-3): 1.33
    Flash point:
    Explosion limits:
    Autoignition temperature:
    Water solubility: negligible


    Stable. Combustible. Incompatible with strong oxidizing agents.


    Harmful if swallowed, inhaled or absorbed through the skin. Experimental mutagen and neoplastigen.

    Toxicity data
    (The meaning of any toxicological abbreviations which appear in this section is given here.)
    ORL-RAT LD50 1000 mg kg-1
    ORL-HMN TDLO 18000 mg kg-1/15y
    ORL-WMN TDLO 28 mg kg-1
    IPR-MUS LD50 313 mg kg-1
    SCU-MUS LD50 329 mg kg-1

    Risk phrases
    (The meaning of any risk phrases which appear in this section is given here.)
    R20 R21 R22.

Transport information

    (The meaning of any UN hazard codes which appear in this section is given here.)

Personal protection

    Safety glasses. Do not breathe dust.

    Safety phrases
    (The meaning of any safety phrases which appear in this section is given here.)

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This information was last updated on August 31, 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.