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

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one ??? ???
?? ??:
14580-22-4
???:
1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
???(??):
AKOS B028754;o-chloropyrazolone;TIMTEC-BB SBB003461;LABOTEST-BB LT00452413;chlorophenylmethylpyrazolone;5-chloro-4-(phenylmethyl)-3-pyrazolone;1-(O-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE;1-(2-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE;1-(2-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN&;1-(2'-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE
CBNumber:
CB2143657
???:
C10H9ClN2O
??? ??:
208.64
MOL ??:
14580-22-4.mol

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one ??

???
193-197 °C (lit.)
?? ?
361.6±25.0 °C(Predicted)
??
1.32±0.1 g/cm3(Predicted)
?? ?? (pKa)
2.05±0.50(Predicted)
??? ??
powder to crystal
??
White to Orange to Green
CAS ??????
14580-22-4(CAS DataBase Reference)
EPA
3H-Pyrazol-3-one, 2-(2-chlorophenyl)-2,4-dihydro-5-methyl- (14580-22-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36
????? 26
WGK ?? 1
HS ?? 2933.19.4300
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
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
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
NFPA 704
0
2 0

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one C??? ??, ??, ??

??? ??

Light yellow crystalline powder

??

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one may be used in the preparation of 1-(2-chlorophenyl)-3-methylchromeno[2,3-c]pyrazol-4(1H)-one, a heterocyclic analog of xanthone.

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one ?? ?? ? ???

???

?? ??

ACID YELLOW 127

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one ?? ??

???( 194)?? ??
??? ?? ??? ?? ?? ? ??
Hubei Jusheng Technology Co.,Ltd. 		18871490254
linda@hubeijusheng.com CHINA 28172 58
Alchem Pharmtech,Inc. 		8485655694
sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427
 sales@conier.com China 49732 58
career henan chemical co 		+86-0371-86658258 +8613203830695
 factory@coreychem.com China 29809 58
SIMAGCHEM CORP 		+86-13806087780
 sale@simagchem.com China 17365 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763
 sales@tnjchem.com China 34563 58
Henan Yufu New Materials Co.,Ltd
sales@yufluoro.com China 300 58
Dayang Chem (Hangzhou) Co.,Ltd. 		571-88938639 +8617705817739
 info@dycnchem.com China 52849 58
Henan Alfa Chemical Co., Ltd
China 13196 58
Hebei Weibang Biotechnology Co., Ltd 		+8617732866630
 bess@weibangbio.com China 18145 58

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved