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

2-(4-????)????

2-(4-????)????
2-(4-????)???? ??? ???
?? ??:
14387-10-1
???:
2-(4-????)????
???(??):
2-(4-????)????
???:
2-(4-ethylphenyl)acetic acid
???(??):
4-Ethylbenzeneacetic acid;(4-ethylphenyl)acetic acid;benzeneacetic acid, 4-ethyl-;2-(4-ethylphenyl)acetic acid;2-(4-ethylphenyl)ethanoic acid;(4-ethylphenyl)acetic acid(SALTDATA: FREE)
CBNumber:
CB21458460
???:
C10H12O2
??? ??:
164.2
MOL ??:
14387-10-1.mol

2-(4-????)???? ??

?? ??
2-8°C
?? ?? (pKa)
pK1:4.373 (25°C)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
?? ?? IRRITANT
????(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 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

2-(4-????)???? C??? ??, ??, ??

??

(4-Ethylphenyl)acetic acid is a reagent used in the synthesis of p-Ethylhydratropic Acid (E918820), which is an impurity of ibuprofen (I140000).

2-(4-????)???? ?? ?? ? ???

???

?? ??


2-(4-????)???? ?? ??

???( 31)?? ??
??? ?? ??? ?? ?? ? ??
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
+8613580539051
joe@yuhengpharm.com CHINA 21142 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739
info@dycnchem.com China 52704 58
PT CHEM GROUP LIMITED
+86-85511178;
peter68@ptchemgroup.com China 35425 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850
market18@leapchem.com China 43333 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532
jkinfo@jkchemical.com China 96815 76
NovoChemy Ltd. 86-(0)21-31261262 373522135
sales@novochemy.com China 6498 58
Changzhou Hopschain Chemical Co.,Ltd. 85528066 13775048983
sales@hopschem.com China 31553 55
Amatek Scientific Co. Ltd. 0512-56316828
info@amateksci.com China 28769 58
Shanghai ring qi biological technology co., LTD 13524106587
sales@hq-chem.com China 242 58
Shanghai ruichang pharmaceutical technology co., LTD 18621054990
maychemicals@sina.com China 673 58

2-(4-????)???? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
和田县| 和龙市| 萍乡市| 晋城| 丰镇市| 邛崃市| 靖江市| 西贡区| 铅山县| 子长县| 化州市| 章丘市| 昭平县| 莒南县| 济南市| 定安县| 大足县| 安多县| 邹城市| 定日县| 涡阳县| 普兰店市| 蓝田县| 全椒县| 乐清市| 平潭县| 江孜县| 姚安县| 紫金县| 南乐县| 龙州县| 哈巴河县| 金寨县| 太原市| 巨野县| 宜城市| 临夏市| 南木林县| 玉田县| 固镇县| 丰宁|