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

4-ETHYLCATECHOL

4-ETHYLCATECHOL ??? ???
?? ??:
1124-39-6
???:
4-ETHYLCATECHOL
???(??):
4-ethylbenzene-1,2-diol;Dopamine Impurity 4;Ethylcatechol;4-ETHYLCATECHOL;Dopamine Impurit Ⅰ;4-ethylpyrocatechol;4-Ethylcatechol 95%;Tyramine Impurity 2;1-Ethyl-3,4-benzenediol;4-Ethyl-1,2-benzenediol
CBNumber:
CB2680239
???:
C8H10O2
??? ??:
138.16
MOL ??:
1124-39-6.mol
MSDS ??:
SDS

4-ETHYLCATECHOL ??

???
34-45 °C
?? ?
105-107°C 0,5mm
??
1.159±0.06 g/cm3(Predicted)
???
105-107°C/0.5mm
?? ??
2-8°C
???
?????(?? ???), ???(?? ???)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
9.90±0.10(Predicted)
??
???? ?????
BRN
2042062
???
???
InChI
1S/C8H10O2/c1-2-6-3-4-7(9)8(10)5-6/h3-5,9-10H,2H2,1H3
InChIKey
HFLGBNBLMBSXEM-UHFFFAOYSA-N
SMILES
CCc1ccc(O)c(O)c1
LogP
1.840 (est)
CAS ??????
1124-39-6(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn
?? ???? ?? 36/37/38-41-37/38-22
????? 26-36/37/39-39
WGK ?? 3
HS ?? 29072990
???? ??? 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Skin Irrit. 2
STOT SE 3
????(GHS): Corrosion (GHS05)Exclamation Mark (GHS07)
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H318 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 1 ?? P280, P305+P351+P338, P310
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
NFPA 704
1
2 0

4-ETHYLCATECHOL C??? ??, ??, ??

??

4-Ethylcatechol is one of the main phenolic off-flavour markers in French ciders.

4-ETHYLCATECHOL ?? ?? ? ???

???

?? ??


4-ETHYLCATECHOL ?? ??

???( 155)?? ??
??? ?? ??? ?? ?? ? ??
Shaanxi Dideu Medichem Co. Ltd
+86-17392712779
1097@dideu.com China 3992 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806
sales@capot.com China 29640 60
Standardpharm Co. Ltd.
86-714-3992388
overseasales1@yongstandards.com United States 14332 58
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63687 58
Zhengzhou Alfa Chemical Co.,Ltd
+86-18530059196
sale04@alfachem.cn China 9612 58
TargetMol Chemicals Inc.
+1-781-999-5354; +1-00000000000
marketing@targetmol.com United States 32468 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +86-189 4982 3763
sales@tnjchem.com China 34563 58
Alfa Chemistry
--
info@alfa-chemistry.com United States 2344 58
Aston Chemical
--
sales@astonchem.com United States 1634 58
Hefei Hirisun Pharmatech Co., Ltd
+8615056975894
shawn@hirisunpharm.com CHINA 9911 58

4-ETHYLCATECHOL ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
光山县| 淳化县| 武邑县| 麟游县| 霞浦县| 罗定市| 石柱| 雷波县| 同江市| 上饶县| 大埔县| 南郑县| 宜川县| 久治县| 天祝| 外汇| 额济纳旗| 平阴县| 亚东县| 元朗区| 聂荣县| 长顺县| 高唐县| 东乌珠穆沁旗| 顺昌县| 岳西县| 松桃| 临汾市| 庄浪县| 湘乡市| 太原市| 贺州市| 金秀| 乌什县| 仲巴县| 万载县| 新竹县| 张家口市| 黄陵县| 新宾| 太白县|