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-??????????(?????:??)
2-??????????(?????:??) ??? ???
?? ??:
70195-11-8
???:
2-??????????(?????:??)
???(??):
2-??????????(?????:??)
???:
2-methylbutanohydrazide(SALTDATA: FREE)
???(??):
2-methylbutanehydrazide;Butanoic acid, 2-methyl-, hydrazide;2-methylbutanohydrazide(SALTDATA: FREE)
CBNumber:
CB22528278
???:
C5H12N2O
??? ??:
116.16
MOL ??:
70195-11-8.mol

2-??????????(?????:??) ??

?? ?
250.8±9.0 °C(Predicted)
??
0.959±0.06 g/cm3(Predicted)
?? ?? (pKa)
13.53±0.36(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(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-??????????(?????:??) C??? ??, ??, ??

2-??????????(?????:??) ?? ?? ? ???

???

?? ??

2-??????????(?????:??) ?? ??

???( 12)?? ??
??? ?? ??? ?? ?? ? ??
Hangzhou MolCore BioPharmatech Co.,Ltd. 		+86-057181025280; +8617767106207
 sales@molcore.com China 49734 58
Jiangsu aikang biomedical research and development co., LTD 025-66110311 13155353615
 qzhang@aikonchem.com China 15527 58
Beijing Haite lesk Technology Co., Ltd 15210893940; 15116916250
 chemistryliu@163.com China 7327 58
Block Chemical Technology (Shanghai) Co., LTD 021-20432219 13918097649
 li_jinfei@acblock-lab.com China 9964 58
Shandong Hydrocarbon Bio-Chemical Co. LTD 15563423841
 levi@lihengpharm.com China 881 58
Nanjing Shizhou Biology Technology Co.,Ltd --
 purchase@synzest.com China 6857 58
Pushan Industry (Shaanxi) Co., Ltd 029-81310890 18165209495
 2929288192@qq.com China 10001 58
Copyright 2019 ? ChemicalBook. All rights reserved