天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

2-(2-PYRIDYL)ETHANESULFONIC ACID

2-(2-PYRIDYL)ETHANESULFONIC ACID ??? ???
?? ??:
68922-18-9
???:
2-(2-PYRIDYL)ETHANESULFONIC ACID
???(??):
EINECS 272-989-9;TIMTEC-BB SBB008555;LABOTEST-BB LT00452061;PYRID-2-YLETHYLSULFONIC ACID;2-PYRIDINEETHANESULFONIC ACID;2-PYRIDYL-2-ETHYL SULFONIC ACID;pyridine-2-ethanesulphonic acid;2-(2-PYRIDYL)ETHANESULFONIC ACID;2-(2-pyridinyl)ethanesulfonic acid;2-(2-Pyridyl)ethanesulfonicAcid>
CBNumber:
CB2783587
???:
C7H9NO3S
??? ??:
187.22
MOL ??:
68922-18-9.mol

2-(2-PYRIDYL)ETHANESULFONIC ACID ??

???
268 °C (dec.)(lit.)
??? ??
powder to crystal
??
???? ?? ??
CAS ??????
68922-18-9(CAS DataBase Reference)
EPA
2-Pyridineethanesulfonic acid (68922-18-9)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? C
?? ???? ?? 34
????? 26-27-28-36/37/39-45
????(UN No.) 1759
?? ?? 8
???? III
HS ?? 2933399990
????(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 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P337+P313 ?? ?? ??? ???? ???? ??· ??? ????.
NFPA 704
0
2 0

2-(2-PYRIDYL)ETHANESULFONIC ACID C??? ??, ??, ??

Synthesis Reference(s)

The Journal of Organic Chemistry, 26, p. 82, 1961 DOI: 10.1021/jo01060a019

2-(2-PYRIDYL)ETHANESULFONIC ACID ?? ?? ? ???

???

?? ??


2-(2-PYRIDYL)ETHANESULFONIC ACID ?? ??

???( 55)?? ??
??? ?? ??? ?? ?? ? ??
Career Henan Chemica Co
+86-0371-86658258 +8613203830695
laboratory@coreychem.com China 30231 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739
info@dycnchem.com China 52849 58
GIHI CHEMICALS CO.,LIMITED
+8618058761490
info@gihichemicals.com China 49985 58
LEAPCHEM CO., LTD.
+86-852-30606658
market18@leapchem.com China 43340 58
Aladdin Scientific

tp@aladdinsci.com United States 57505 58
Amadis Chemical Company Limited
571-89925085
sales@amadischem.com China 131957 58
Mainchem Co., Ltd. +86-0592-6210733
sale@mainchem.com China 32343 55
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788
jkinfo@jkchemical.com China 94657 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 021-61259108 18621169109
market03@meryer.com China 40228 62
3B Pharmachem (Wuhan) International Co.,Ltd. 821-50328103-801 18930552037
3bsc@sina.com China 15839 69

2-(2-PYRIDYL)ETHANESULFONIC ACID ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved