一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate

Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate ??? ???
?? ??:
914262-72-9
???:
Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate
???(??):
Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate;Ethyl 7-bromo-1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate;2-Naphthalenecarboxylic acid, 7-bromo-1,2,3,4-tetrahydro-1-oxo-, ethyl ester
CBNumber:
CB16126594
???:
C13H13BrO3
??? ??:
297.14
MOL ??:
914262-72-9.mol

Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate ??

???
67.6 °C(Solv: ligroine (8032-32-4))
?? ?
381.5±42.0 °C(Predicted)
??
1.463±0.06 g/cm3(Predicted)
?? ?? (pKa)
10.63±0.20(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate C??? ??, ??, ??

Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate ?? ?? ? ???

???

?? ??


Ethyl 7-bromo-1-oxo-3,4-dihydro-2H-naphthalene-2-carboxylate ?? ??

???( 6)?? ??
??? ?? ??? ?? ?? ? ??
Zhejiang J&C Biological Technology Co.,Limited
+1-2135480471 +1-2135480471;
sales@sarms4muscle.com China 10473 58
Changzhou Kechem Bio-Scientific Co., LTD. 0519-68985668 13685222090
sales@kechem.cn China 26016 58
https://hanhongsci.com/ 021-54306202 18917919676
info@hanhongsci.com China 29997 58
Huzhou Chengbo Biotechnology Co., Ltd 13626726938
China 3879 58
Huzhou Qingliu Silicate Biotechnology Co., Ltd 13626726938
15952452933@163.cn China 4109 58

Copyright 2019 ? ChemicalBook. All rights reserved
舞阳县| 陵川县| 关岭| 鹿邑县| 南投市| 天等县| 濉溪县| 瓮安县| 巴南区| 城口县| 长葛市| 修文县| 合肥市| 周宁县| 中超| 泰安市| 鄂托克前旗| 额济纳旗| 庆云县| 通山县| 三明市| 美姑县| 石城县| 家居| 长乐市| 济南市| 揭东县| 仁怀市| 霍城县| 高青县| 山东省| 武平县| 巩留县| 卢氏县| 无为县| 通辽市| 扎赉特旗| 五大连池市| 连平县| 札达县| 龙门县|