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

市場價:元價格:元

  • 中文名稱:JH-168 二乙氧基二甲基硅烷
  • CAS RN:78-62-6
  • EINECS號:
  • 分 子 式:C6H16O2Si
  • 分 子 量:148.28
  • 分子式:

熔點? -97°C
沸點? 114?°C(lit.)
密度? 0.865?g/mL?at 25?°C(lit.)
折射率? n20/D?1.381(lit.)
閃點? 53?°F
儲存條件? Flammables area
形態(tài) liquid
比重 0.939
顏色 ≤25(APHA)
水溶解性? may decompose
敏感性? Moisture Sensitive
用途? 用于硅橡膠制備中的結構控制劑,有機硅產品合成中的擴鏈劑及硅油合成原料。 是生產硅樹脂、苯甲基硅油及防水劑的重要原料。同時易水解,能與堿金屬氫氧化物生成堿金屬硅醇鹽。并且又可以用于室溫硫化硅橡膠的交聯(lián)劑。
用途? 用作化學試劑及合成高分子有機硅化合物的原料。
類別 易燃液體
毒性分級 低毒
急性毒性 口服-大鼠 LD50: 9280 毫克/公斤; 吸入-大鼠 LD50: 20 克/立方米/8小時
刺激數(shù)據(jù) 皮膚- 兔子 500 毫克/ 24小時 輕度; 眼睛- 兔子 500 毫克/ 24小時? 輕度
可燃性危險特性 遇明火、高溫、氧化劑易燃; 燃燒產生刺激煙霧
儲運特性 庫房通風低溫干燥; 與氧化劑、酸類分開存放
滅火劑 干粉、干砂、干石粉、二氧化碳

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