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1-Ethynyl-2,4-difluorobenzene

Dangerous Goods

CAS number：302912-34-1    molecular formula：C8H4F2

overview
Specs
numbering system
physicochemical properties
Safety information
Production methods and uses
Related
MSDS
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overview

compound introduction

1-Ethynyl-2,4-difluorobenzene is an alkyne bearing fluoro group in the phenyl ring. Application： 1-Ethynyl-2,4-difluorobenzene (CM) may be used to synthesize sulfonatedpoly(aryleneether)s containing CM and TFP [4-[Trifluorovinyl(oxy)]phenol].It may also be employed for the preparation of 4-(2,4-difluorophenylethynyl)-3-methyl-5-phenylisoxazole.

Specs

Chinese alias2,4-二氟苯基乙炔
English aliasE1169 | 8FS | EN300-103707 | F8886-6515 | AKOS010651580 | 1-Ethynyl-2,4-difluorobenzene | 1-ethynyl-2,4-difluoro-benzene | 1ethynyl-2,4-difluorobenzene | A18602 | MFCD02093726 | J-017882 | 1-Ethynyl-2,4-difluorobenzene, 97% | T72256 | DTXSID40407953 | 1-e
CAS number302912-34-1molecular formulaC8H4F2
molecular weight138.12 g/molExact mass≥97%
PSA0.000 Ųlogp2.4

numbering system

No numbering system information yet

physicochemical properties

No physical and chemical property information yet

Safety information

pictogram：
GHS07 , GHS02
Signal word：
Warning
Hazard Statement：
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激 H228: 易燃固体
Statement of Preventive Measures：
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P370+P378: 火灾时：使用干砂、干粉或抗醇泡沫灭火。 P210: 远离热源，热表面，火花，明火和其他点火源。 - 禁止抽烟。 P302+P352: 如皮肤沾染：用水充分清洗。 P321: 特殊处理（请参阅此标签上的...）。 P405: 密闭存放 P501: 将内容物/
WGK Germany：
3
Personal protective equipment：
Eyeshields， full-face particle respirator type N100 (US)， Gloves， respirator cartridge type N100 (US)， type P1 (EN143) respirator filter， type P3 (EN 143) respirator cartridges
UN Number：
1325
Packing Group：
III

Production methods and uses

No production method and use information yet

Related

upstream information

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downstream information

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MSDS

Found 1 shareMSDS
302912-34-1 | 1-Ethynyl-2,4-difluorobenzene.pdf