<sub id="rb5x3"></sub>
      <b id="rb5x3"></b>

      
      

        <samp id="rb5x3"><big id="rb5x3"></big></samp>

          <tt id="rb5x3"></tt>
          <dfn id="rb5x3"></dfn>
            国产熟女高潮一区二区三区,乱老年女人伦免费视频,精品亚洲综合一区二区三区,国产无遮挡真人免费视频,一个色综合亚洲热色综合,在线看免费无码av天堂的,亚洲免费最大黄页网站,国产亚洲无线码一区二区

            股票代碼:300637 EN
            2,5-二甲氧基苯硫酚
            中文名稱(chēng): 2,5-二甲氧基苯硫酚
            英文名稱(chēng): 2,5-Dimethoxythiophenol
            英文別名: 2,5-Dimethoxybenzenethiol
            CAS號(hào): 1483-27-8
            分子式: C8H10O2S
            分子量: 170.2288
            InChI: InChI=1/C8H10O2S/c1-9-6-3-4-7(10-2)8(11)5-6/h3-5,11H,1-2H3
            分子結(jié)構(gòu):
            密度: 1.134g/cm3
            沸點(diǎn): 278.8°C at 760 mmHg
            閃點(diǎn): 122.4°C
            蒸汽壓: 0.00707mmHg at 25°C


            風(fēng)險(xiǎn)術(shù)語(yǔ): R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.;
            R36/38:Irritating to eyes and skin.;
            安全術(shù)語(yǔ): S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.;
            S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.;