免费无码又爽又黄又刺激网站|少妇精品久久久久久久久久|26uuu在线亚洲欧美|欧美日韩亚洲综合一区,婷婷五月天综合在线视频,国产高清特黄无遮挡大片,亚洲大尺度无码AV专区

<cite id="seoaa"></cite>

Catalyst series more >
4-Dimethylaminopyridine
Tetrabutylammonium bromide
Tetraethylammonium bromide
Amino acid series more >
L-tyrosine
L-leucine
L-threonine
Other products more >
4-Methoxyphenol (MEHQ)
4-tert-Butylcatechol (TBC)
Phenothiazine

Product name:	1,2-Bis(diphenylphosphino)ethane
Structural formula:
CAS NO. :	1663-45-2
Assay:	>98%
Molecular weight:	398.43
Molecular formula:	C₂₆H₂₄P₂
Related parameters:	white crystal, Stable in air, Melting point141-143℃.
Uses:	Organic metal catalyst (ligand).
Packing:	sealed tightly, in double-layer plastic bag, 1kg/bag.
Order >> Back >>