Safety (MSDS) data for 6-N-propyl-2-thiouracil

Safety (MSDS) data for 6-N-propyl-2-thiouracil

Hazard: harmful


    Synonyms: 4-hydroxy-2-mercapto-6-propylpyrimidine, 6-propyl-2-thio-2,4(1H,3H)pyrimdinedione, propylthiouracil, 6-propyl-2-thiouracil, 6-propylthiouracil, 2-mercapto-6-propylpyrimid-4-one, procasil, propacil, propycil, prothyran, PTU, prothiurone, prothycil, protiural, propyl-thiorist, thyreostat II
    Use: antithyroid agent
    Molecular formula: C7H10N2OS
    CAS No: 51-52-5
    EINECS No:

Physical data

    Appearance: white powder
    Melting point: 219 - 221 C
    Boiling point:
    Vapour density:
    Vapour pressure:
    Density (g cm-3):
    Flash point:
    Explosion limits:
    Autoignition temperature:
    Water solubility: slight


    Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases. Light sensitive.


    Harmful if swallowed, inhaled or absorbed through the skin.

    Toxicity data
    (The meaning of any toxicological abbreviations which appear in this section is given here.)
    ORL-RAT LD50 1980 mg kg-1
    IPR-RAT LDLO 400 mg kg-1
    ORL-WMN TDLO 900 mg kg-1 /21w-i

    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.)
    Non-hazardous for air, sea and road freight.

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 11, 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.