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

1-ETHYNYL-2-FLUOROBENZENE

1-ETHYNYL-2-FLUOROBENZENE ??? ???
?? ??:
766-49-4
???:
1-ETHYNYL-2-FLUOROBENZENE
???(??):
2-FLUOROPHENYLACETYLENE;1-ETHYNYL-2-FL;1-ETHYNYL-2-FLUOROBENZENE;2'-FLUOROPHENYL ACETYLENE;2-Fluorophenylacetylene 97%;1-Ethynyl-2-fluorobenzene>Benzene, 1-ethynyl-2-fluoro-;1-Ethynyl-2-fluorobenzene,97%;1-Ethynyl-2-fluorobenzene, 97% 1GR;1-Ethynyl-2-fluorobenzene, 97% 250MG
CBNumber:
CB0306276
???:
C8H5F
??? ??:
120.12
MOL ??:
766-49-4.mol
MSDS ??:
SDS

1-ETHYNYL-2-FLUOROBENZENE ??

?? ?
150 °C (lit.)
??
1.06 g/mL at 25 °C (lit.)
???
1.524-1.527
???
37 °C
?? ??
2-8°C
??? ??
??
??
??? ????? ??? ??.
InChI
1S/C8H5F/c1-2-7-5-3-4-6-8(7)9/h1,3-6H
InChIKey
YFPQIXUNBPQKQR-UHFFFAOYSA-N
SMILES
Fc1ccccc1C#C
CAS ??????
766-49-4(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38-10
????? 37/39-26-16-36
????(UN No.) UN 1993 3/PG 3
WGK ?? 3
?? ?? ?? Irritant
?? ?? 3
???? III
HS ?? 29039990
???? ??? 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3
????(GHS): Flame (GHS02)Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H226 ??? ?? ? ?? ??? ?? ?? 3 ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P210 ?·???·??·????? ????? - ?? ???.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
2
2 0

1-ETHYNYL-2-FLUOROBENZENE C??? ??, ??, ??

??? ??

clear yellow to brownish liquid

??

1-Ethynyl-2-fluorobenzene has been employed in the cross-coupling of phenylacetylenes. It may be used in the preparation of 3-(2-deoxy-β-D-ribofuranosyl)-6-(2-fluorophenyl)-2,3-dihydrofuro-[2,3-d]pyrimidin-2-one and 4-(2-fluorophenylethynyl)-3-methyl-5-phenylisoxazole.

?? ??

1-Ethynyl-2-fluorobenzene has been employed in the cross-coupling of phenylacetylenes. It may be used in the preparation of 3-(2-deoxy-β-D-ribofuranosyl)-6-(2-fluorophenyl)-2,3-dihydrofuro-[2,3-d]pyrimidin-2-one and 4-(2-fluorophenylethynyl)-3-methyl-5-phenylisoxazole.1-Ethynyl-2-fluorobenzene, a fluorinated benzene derivative, is a terminal alkyne.

?? ??

1-Ethynyl-2-fluorobenzene, a fluorinated benzene derivative, is a terminal alkyne.

1-ETHYNYL-2-FLUOROBENZENE ?? ?? ? ???

???

?? ??


1-ETHYNYL-2-FLUOROBENZENE ?? ??

???( 175)?? ??
??? ?? ??? ?? ?? ? ??
Changzhou Ansciep Chemical Co., Ltd.
+86 519 86305871
sales@ansciepchem.com CHINA 4241 58
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427
sales@conier.com China 49979 58
career henan chemical co
+86-0371-86658258 +8613203830695
factory@coreychem.com China 29792 58
Neostar United (Changzhou) Industrial Co., Ltd.
+86-0519-85551759 +8613506123987
marketing1@neostarunited.com China 8828 58
SIMAGCHEM CORP
+86-5922680277 +86-13806087780
sale@simagchem.com China 17346 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763
sales@tnjchem.com China 34563 58
Shaanxi Dideu Medichem Co. Ltd
+86-029-89586680 +86-18192503167
1026@dideu.com China 9996 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739
info@dycnchem.com China 52704 58
Coresyn Pharmatech Co., Ltd.
+86-571-86626709 +86-18157142896
cbc@coresyn.com China 9984 58

1-ETHYNYL-2-FLUOROBENZENE ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
乐山市| 双辽市| 孟州市| 定安县| 仁寿县| 科技| 图们市| 仲巴县| 万州区| 怀安县| 淳安县| 合阳县| 红河县| 澜沧| 前郭尔| 观塘区| 江孜县| 万源市| 县级市| 延吉市| 南京市| 古交市| 凤庆县| 华阴市| 柘城县| 衡水市| 尼勒克县| 永兴县| 潜山县| 定日县| 鱼台县| 石台县| 巴马| 临朐县| 和田县| 东阳市| 墨玉县| 汤原县| 衡东县| 珠海市| 阿荣旗|