Safety (MSDS) data for 4-acetamidophenol

Safety (MSDS) data for 4-acetamidophenol

Hazard: harmful


    Synonyms: abensanil, acamol, acetagesic, alpinyl, alvedon, anaflon, anelix, anhiba, calpol, datril, dirox, doliprane, dymadon, enelfa, eneril, exdol, febrilix, febrolin, fendon, finimal, hedex, homoolan, lonarid, lyteca syrup, multin, panadol, phendon, tylenol, valdol, valgesic, N-(p-hydroxyphenyl)acetamide, acetaminophen, naprinol, 4-hydroxyacetanilide, paracetamol, numerous further trade names
    Use: Analgesic and antipyretic
    Molecular formula: C8H9NO2
    CAS No: 103-90-2
    EINECS No: 203-157-5

Physical data

    Appearance: white crystalline powder
    Melting point: 169 - 172 C
    Boiling point:
    Vapour density:
    Vapour pressure:
    Density (g cm-3): 1.29
    Flash point:
    Explosion limits:
    Autoignition temperature:
    Water solubility: slight


    Stable. Combustible. Incompatible with strong oxidising agents. Light sensitive. Reacts with aspirin.


    Harmful if swallowed. Skin, eye and respiratory irritant. Experimental carcinogen and tumorigen. Human mutagen.

    Toxicity data
    (The meaning of any abbreviations which appear in this section is given here.)
    ORL-MAN LDLO 714 mg kg-1
    ORL-HMN LDLO 143 mg kg-1
    ORL-RAT LD50 1944 mg kg-1
    IPR-RAT LD50 1205 mg kg-1
    SCU-MUS LD50 310 mg kg-1
    IPR-MUS LD50 367 mg kg-1

    Risk phrases
    (The meaning of any risk phrases which appear in this section is given here.)
    R22 R36 R37 R38.

Transport information

    (The meaning of any UN hazard codes which appear in this section is given here.)
    Hazard class: 6.1. Packing group: III

Personal protection

    Minimize contact.

    Safety phrases
    (The meaning of any safety phrases which appear in this section is given here.)
    S26 S36.

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This information was last updated on August 21, 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.