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:B-228甲基苯基二甲氧基硅烷
  • CAS RN:3027-21-2
  • EINECS號(hào):
  • 分 子 式:C9H14O2Si
  • 分 子 量:182.29200
  • 分子式:
外觀與性狀:
無(wú)色或淡黃色透明液體
密度:
1.005?g/mL?at 20?°C(lit.)
沸點(diǎn):
199?°C(lit.)
閃點(diǎn):
80 °C
折射率:

n20/D 1.479


RTECS號(hào):
VV3645000
安全說(shuō)明:
S26-S36
危險(xiǎn)類別碼:
R36/37/38
WGK Germany:
3
危險(xiǎn)品標(biāo)志:
Xi


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