ChemicalBook >?? ???? >???,B-9,9'-????[9H-????]-2'-?-

???,B-9,9'-????[9H-????]-2'-?-

???,B-9,9'-????[9H-????]-2'-?- ??? ???

?? ??:: 236389-21-2

???:: ???,B-9,9'-????[9H-????]-2'-?-

???(??):: ???,B-9,9'-????[9H-????]-2'-?-

???:: Boronic acid, B-9,9'-spirobi[9H-fluoren]-2'-yl-

???(??):: FF024;LR-A007;9,9'-Spirobi[9H-fL;Boronic acid, B-9,9';uorene]-2-boronic Acid;9,9'-bifluorene-2-boronicacid;B-9,9'-spirobi[9H-fluoren]-2'-yl-;9,9-Spirodifluorene-2-Boronic acid;-spirobi[fluoren]-2-ylboronic acid;9,9'spiro[fluorene]2-ylboronic acid

CBNumber:: CB02473396

???:: C25H17BO2

??? ??:: 360.22

MOL ??:: 236389-21-2.mol

?? ?? 185

???,B-9,9'-????[9H-????]-2'-?- ??

?? ?: 588.4±60.0 °C(Predicted)

??: 1.37

?? ??: under inert gas (nitrogen or Argon) at 2-8°C

?? ?? (pKa): 8.29±0.20(Predicted)

??? ??: ??

??: ???

InChI: InChI=1S/C25H17BO2/c27-26(28)16-13-14-20-19-9-3-6-12-23(19)25(24(20)15-16)21-10-4-1-7-17(21)18-8-2-5-11-22(18)25/h1-15,27-28H

InChIKey: WDDLHUWVLROJLA-UHFFFAOYSA-N

SMILES: B(C1C=CC2C3C=CC=CC=3C3(C4C=CC=CC=4C4=CC=CC=C34)C=2C=1)(O)O

CAS ??????: 236389-21-2

?? ? ?? ??
?? ? ???? ?? (GHS)

HS ??	2932190090

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	P- ??
H315	??? ??? ???	????? ?? ?????	?? 2	??	P264, P280, P302+P352, P321,P332+P313, P362
H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??	P264, P280, P305+P351+P338,P337+P313P
H335	?? ???? ??? ? ??	?? ???? ?? - 1? ??;???? ??	?? 3	??

??????:

P261	??·?·??·???·??·...·????? ??? ????.
P304+P340	???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405	???? ?????.

NFPA 704

	0
2		0

???,B-9,9'-????[9H-????]-2'-?- C??? ??, ??, ??

??? ??

White crystalline powder

??

9,9''-Spirobi[fluoren]-2-ylboronic Acid is a useful reactant in the preparation of organic electroluminescence material for the purpose to be used as OLED.

???,B-9,9'-????[9H-????]-2'-?- ?? ?? ? ???

???

?? ??

???,B-9,9'-????[9H-????]-2'-?- ?? ??

???( 185)?? ??

???	??	???	??	?? ?	??
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	+86-13017695106 +86-13676922317	jiuyitime@fdachem.com	China	6261	58
Springchem New Material Technology Co.,Limited	+86-021-62885108 +8613917661608	info@spring-chem.com	China	2068	57
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	12841	58
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
AB PharmaTech,LLC	323-480-4688	sales@acrospharmatech.com	United States	989	55
Beijing Green Guardee Technology Co., Ltd	86-010-69706062	sales2@greenguardee.com	CHINA	650	58
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29855	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2955	58
Zhengzhou HQ Material CO.,LTD.	+86-371-55919009 +8615225108189	sale1@hqmat.com	China	1001	58
BAYNOE CHEM CO.,LTD	+86-21-34783353 +8615000719740	baynoe@baynoe.com	CHINA	934	58

???,B-9,9'-????[9H-????]-2'-?- ?? ??:

9,9'-Spirobi[9H-fluorene]

午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频