Morphine monomethyl ether

Safety (MSDS) data for codeine

Safety (MSDS) data for codeine

Hazard: harmful


    Synonyms: 7,8-didehydro-4,5-alpha-epoxy-3-methoxy-17-methylmorphinan-6-alpha-ol, methylmorphine, 3-o-methylmorphine monohydrate, morphine monomethyl ether, morphine-3-methyl ether, N-methyl-norcodeine, codicept, codeinum, coducept
    Use: analgesic, pain killer, cough supressant
    Molecular formula: C18H21NO3
    CAS No: 76-57-3
    EINECS No:

Physical data

    Appearance: white crystalline powder
    Melting point: 154 - 156 C
    Boiling point:
    Vapour density:
    Vapour pressure:
    Density (g cm-3): 1.32
    Flash point: 75 C
    Explosion limits:
    Autoignition temperature:
    Water solubility:


    Stable, but light sensitive. Combustible. Incompatible with strong oxidizing agents, bromides, iodides, heavy metal salts.


    Harmful if swallowed, inhaled or absorbed through the skin. Addictive drug. Controlled substance in many countries.

    Toxicity data
    (The meaning of any toxicological abbreviations which appear in this section is given here.)
    ORL-RAT LD50 427 mg kg-1
    IPR-RAT LD50 130 mg kg-1
    SCU-RAT LD50 229 mg kg-1
    IVN-RAT LD50 75 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 March 18, 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.