poronovideos人初重口_黑人粗大a片在线观看_美女末成年视频黄是免费网址_另类maturetube富婆

市場(chǎng)價(jià):元價(jià)格:元

  • 中文名稱:二異丙基二甲氧基硅烷
  • CAS RN:18230-61-0
  • EINECS號(hào):
  • 分 子 式:C8H20O2Si
  • 分 子 量:176.4
  • 分子式:
沸點(diǎn): 164℃(760mmHg); 85~86℃(50mmHg)
密度: 0.888(25℃)
折光率(25℃): 1.4185~1.4205
溶解性: 溶于有機(jī)溶劑不溶于水
閃點(diǎn): 43℃(閉杯)

凝固點(diǎn):≤0℃

作為丙烯聚合反應(yīng)的改性劑,主要是用來合成間規(guī)聚丙烯。

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