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:B-221苯基三甲氧基硅烷
  • CAS RN:2996-92-1
  • EINECS號:
  • 分 子 式:C9H14O3Si
  • 分 子 量:198.29100
  • 分子式:
外觀與性狀:
無色或黃色透明液體
密度:
1.062?g/mL?at 25?°C(lit.)
沸點:
233?°C(lit.)
熔點:
-25°C
閃點:
99?°F
折射率:
n20/D 1.468(lit.)
蒸汽壓:

0.944mmHg at 25°C


RTECS號:
VV5252000
安全說明:
S7-S16-S26-S36/37-S45-S37/39-S36
危險類別碼:
R36/37/38
WGK Germany:
3
危險品運輸編碼:
UN 1992 3/PG 3
危險類別:
3.2
包裝等級:
III
危險品標志:
Xi

用途

用作制備高分子有機硅化合物的原料


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