
PackageSizes:10x1gram,25grams,and100grams
ProductNumbers:12301-10x1,12301-25and12301-100
ProductName:PentafluorobenzylBromide(PFBBr)
AlternativeNames:alpha-Bromo-2,3,4,5,6-pentafluorotoluene;(Bromomethyl)pentafluorobenzene;2,3,4,5,6-Pentafluorobenzylbromide
Specifications
Appearance:Clear,colorlessliquid
Purity:is≥99%
Storage:4°C,protectedfrommoisture
Properties
PropertiesPhysicalState:Liquid
CAS#:1765-40-8
ChemicalFormula:C7H2BrF5
MolecularWeight:260.99
BoilingPoint:174-175°C(Lit)
SpecificGravity:1.728(Lit)
TariffCode:2903.99.8000
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)懂得一些道理或知识.
让世界充满爱不仅是付出,还可以是回报,回报你所关爱的人.
我记得有首歌曲,它的意思是爸爸妈妈辛苦了一天,回到家,帮他们拿拖鞋,帮他们倒杯茶,这是感
恩.老师批改作业累了,可以给他们捶捶背,当学习获得了一定的成功,老师会感到欣慰,这是感恩.当
同学遭遇困难时,你可以去用尽全力地安慰帮助他(她),使他(她)能够解决困难,克服困难,变得快
乐.这也是感恩.

