成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

2,2'-????-5-?????

2,2'-????-5-?????
2,2'-????-5-????? ??? ???
?? ??:
1970-80-5
???:
2,2'-????-5-?????
???(??):
2,2'-????-5-?????
???:
2,2'-BIPYRIDINE-5-CARBOXYLIC ACID
???(??):
DK7312;5-Carboxy-2,2'-bipyridine;6-(2-pyridyl)nicotinic acid;2,2Bipyridyl-5-carboxylic acid;6-(Pyridin-2-yl)nicotinic acid;2,2'-BIPYRIDINE-5-CARBOXYLIC ACID;2,2'-BIPYRIDINE-5-CARBOXYLIC ACID;BIPY443, 5-Carboxy-2,2'-bipyridine;2,2'-Bipyridine-5-carboxylic acid 95%;6-pyridin-2-ylpyridine-3-carboxylicaci
CBNumber:
CB5755301
???:
C11H8N2O2
??? ??:
200.19
MOL ??:
1970-80-5.mol

2,2'-????-5-????? ??

???
218-220 °C
?? ?
405.5±35.0 °C(Predicted)
??
1.302±0.06 g/cm3(Predicted)
?? ??
Sealed in dry,Room Temperature
??? ??
??
?? ?? (pKa)
2.44±0.10(Predicted)
??
???
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2916399090
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

2,2'-????-5-????? C??? ??, ??, ??

?? ??

2,2'-BIPYRIDINE-5-CARBOXYLIC ACID is a useful research chemical.

2,2'-????-5-????? ?? ?? ? ???

???

?? ??


2,2'-????-5-????? ?? ??

???( 99)?? ??
??? ?? ??? ?? ?? ? ??
Shanghai UCHEM Inc.
+862156762820 +86-13564624040
sales@myuchem.com China 7442 58
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886
info@dakenam.com China 18754 58
career henan chemical co
+86-0371-86658258 +8613203830695
sales@coreychem.com China 29885 58
Shenzhen Nexconn Pharmatechs Ltd
+86-755-89396905 +86-15013857715
admin@nexconn.com China 10310 58
Chongqing Chemdad Co., Ltd
+86-023-6139-8061 +86-86-13650506873
sales@chemdad.com China 39894 58
Zhengzhou Alfa Chemical Co.,Ltd
+8618530059196
sale04@alfachem.cn China 13516 58
ANHUI WITOP BIOTECH CO., LTD
+8615255079626
eric@witopchemical.com China 23541 58
Dideu Industries Group Limited
+86-29-89586680 +86-15129568250
1026@dideu.com China 23025 58
CD Chemical Group Limited
+8615986615575
info@codchem.com China 20342 58
Alfa Chemistry

Info@alfa-chemistry.com United States 24072 58

2,2'-????-5-????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved