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

0.944mmHg at 25°C


RTECS號(hào):
VV5252000
安全說(shuō)明:
S7-S16-S26-S36/37-S45-S37/39-S36
危險(xiǎn)類(lèi)別碼:
R36/37/38
WGK Germany:
3
危險(xiǎn)品運(yùn)輸編碼:
UN 1992 3/PG 3
危險(xiǎn)類(lèi)別:
3.2
包裝等級(jí):
III
危險(xiǎn)品標(biāo)志:
Xi

用途

用作制備高分子有機(jī)硅化合物的原料


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