• <strike id="mcc0q"></strike><center id="mcc0q"></center>
  • <center id="mcc0q"></center>
    <dfn id="mcc0q"><source id="mcc0q"></source></dfn><menu id="mcc0q"><abbr id="mcc0q"></abbr></menu>

    甲醛-HU BEI SEVEN EIGHT NINE CHEMICAL CO.,LTD.

    HOME > PRODUCTS > Chemical products for water treatment

    甲醛

    Author:七八九化工      Views:1460      Update:2023-08-08
    TELEPHONE:027-88111833、027-88111933

    甲醛,又名蟻醛,是一種有機化合物,化學(xué)式CH2O,相對分子質(zhì)量30.03。無色氣體,有強烈刺激性和窒息性的氣味。熔點-92℃,沸點-21℃。相對密度0.815g/cm³

    Previous:冰醋酸

    中文字幕偷乱视频,婷婷绝色无码,国产一级揄自揄精品视频,丁香五月综合久久激情
  • <strike id="mcc0q"></strike><center id="mcc0q"></center>
  • <center id="mcc0q"></center>
    <dfn id="mcc0q"><source id="mcc0q"></source></dfn><menu id="mcc0q"><abbr id="mcc0q"></abbr></menu>