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    Piperazine anhydrous

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    Chinese alias Piperazine anhydrous; Diethylene diamine; 1,4-Diazacyclohexane; piperazinediium
    Appearance

    Colorless crystal with saline taste and ammonia odor.

    Structural formula
    CAS NO. 110-85-0
    EINECS 203-808-3
    Molecular formula
    C4H10N2
    Molecular Weight 86.14
    Melting point (℃) 109.6
    Boiling range 148.5
    Uses

    Pharmaceutical intermediate, mainly used in the production of piperazine phosphate, piperazine citrate, bucinnazine, and rifampicin

    Physicochemical properties

    Saturated vapor pressure (kPa): 30.3/111℃
    Flash point (℃): 107(O.C)
    Solubility: Soluble in water, methyl alcohol, ethyl alcohol, slightly soluble in benzene and ethyl ether.
    Chemical properties: Combustion can give off toxic nitric oxide gas. Corrosive.

    Hazards

    Health hazard: Contact, inhalation or percutaneous absorption can cause weakness, blurred vision, ataxia, etc.

    First aid measures

    Skin contact: Take off the polluted clothing immediately, rinse with plenty of flow and clear water for at least 15 minutes, seek medical advice.
    Eye contact: Rinse with plenty of clear and<

    Fire-fighting measures

    Harmful combustion products: Carbon monoxide, carbon dioxide and nitric oxide.
    Fire extinguishing agent: spray water, foam, dry powder, carbon dioxide, sand.

    ACCIDENTAL

    Emergency treatment: The contaminated areas should be isolated, cut off the source of ignition. The emergency treatment personnel shall wear dust mark, acid and alkali resistant clothes.

    Operation and storage

    Operation: The operator should be specially trained, follow the operating instruction. The operator should wear self-inhalation filter type dust respirator, chemical safety glasses, rubber acid and

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