滿天星 發問時間: 科學化學 · 1 0 年前

請問溴化鉀是否有毒性?

請問用來分析紅外線光譜的鹽片溴化鉀是否有毒性?長期接觸對皮膚是否會造成傷害?使用時是否有哪些值得注意的地方?

2 個解答

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  • A REN
    Lv 5
    1 0 年前
    最佳解答

    Molecular formula: KBr

    CAS No: 7758-02-3

    EC No: 231-830-3

    Physical data

    Appearance: odourless white or colourless crystalline solid

    Melting point: 730 C

    Boiling point: 1380 C

    Vapour density:

    Vapour pressure: 1 mm Hg at 795 C

    Specific gravity: 2.75

    Flash point:

    Explosion limits:

    Autoignition temperature:

    Solubility in water: 53.48 g/100g at 0C

    Stability

    Stable. Incompatible with strong oxidizing agents, strong acids, bromine trifluoride and bromine trichloride.

    Toxicology

    Harmful if ingested in large amounts, if inhaled, or if in repeated contact with the skin. Respiratory and eye irritant.

    下列為(毒性資料)

    Toxicity data

    (The meaning of any abbreviations which appear in this section is given here.)

    ORL-RAT LDLO 250 mg kg-1

    ORL-MUS LD50 3120 mg kg-1

    IPR-MUS LD50 1030 mg kg-1

    IPR-GPG LD50 980 mg kg-1

    Risk phrases

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

    R20 R21 R22 R36 R37 R38.

    Personal protection

    Safety glasses. Adequate ventilation.

    Safety phrases

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

    S22 S26 S36.

    [Return to Physical & Theoretical Chemistry Lab. Safety home page.]

    This information was last updated on August 22, 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.

    Note also that the information on the PTCL Safety web site, where this page was hosted, has been copied onto many other sites, often without permission. If you have any doubts about the veracity of the information that you are viewing, or have any queries, please check the URL that your web browser displays for this page. If the URL begins "http://ptcl.chem.ox.ac.uk/" or "http://physchem.ox.ac.uk/" the page is maintained by the Safety Officer in Physical Chemistry at Oxford University. If not, this page is a copy made by some other person and we have no responsibility for it.

  • 1 0 年前

    我猜沒有,就是些鹽嘛,水溶性的,吃了它

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