BENZENE, 1-ETHYNYL-2,4-DIFLUORO-
Modify Date: 2025-08-28 17:58:26
BENZENE, 1-ETHYNYL-2,4-DIFLUORO- structure
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Common Name | BENZENE, 1-ETHYNYL-2,4-DIFLUORO- | ||
|---|---|---|---|---|
| CAS Number | 302912-34-1 | Molecular Weight | 138.11400 | |
| Density | 1.17g/cm3 | Boiling Point | 134.7ºC at 760 mmHg | |
| Molecular Formula | C8H4F2 | Melting Point | 29-32ºC(lit.) | |
| MSDS | Chinese USA | Flash Point | 92 °F | |
| Symbol |
GHS02, GHS07 |
Signal Word | Warning | |
| Name | 1-Ethynyl-2,4-difluorobenzene |
|---|---|
| Synonym | More Synonyms |
| Density | 1.17g/cm3 |
|---|---|
| Boiling Point | 134.7ºC at 760 mmHg |
| Melting Point | 29-32ºC(lit.) |
| Molecular Formula | C8H4F2 |
| Molecular Weight | 138.11400 |
| Flash Point | 92 °F |
| Exact Mass | 138.02800 |
| LogP | 1.94610 |
| Index of Refraction | 1.492 |
| Storage condition | 2-8°C |
| Symbol |
GHS02, GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H228-H315-H319-H335 |
| Precautionary Statements | P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313 |
| 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 |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | 10-36/37/38 |
| Safety Phrases | 16-26-36 |
| RIDADR | UN 1325 4.1/PG 3 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 4.1 |
| HS Code | 2903999090 |
CAS#:399-36-0![6-[2-(2,4-difluorophenyl)ethynyl]-1-propan-2-ylsulfonylbenzimidazol-2-amine structure](https://image.chemsrc.com/caspic/164/849064-37-5.png)
CAS#:849064-37-5
CAS#:849064-39-7
CAS#:480438-92-4| HS Code | 2903999090 |
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| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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Synthesis of glycidyl triazolyl polymers using click chemistry. Jung JH, et al.
Tetrahedron Lett. 48(37) , 6442-6448, (2007)
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Sulfonated poly (arylene ether) membranes containing perfluorocyclobutyl and ethynyl groups: Increased mechanical strength through chain extension and crosslinking. Lee SB, et al.
J. Membr. Sci. 456 , 49-56, (2014)
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Synthesis of 3, 4, 5-Trisubstituted Isoxazoles through Gold-Catalyzed Cascade Cyclization- Oxidative Alkynylation and Cyclization-Fluorination of 2-Alkynone O-Methyloximes. Song D-H and Ryu J-S.
Bull. Korean Chem. Soc. 35(9) , 2635-2644, (2014)
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| 2,4-difluorophenylethyne |
| 1-ethynyl-2,4-difluoro-benzene |
| (2,4-difluorophenyl)acetylene |
| 2,4-difluoroethynylbenzene |
| 4-(2,4-difluorophenyl)but-3-yn-2-ol |
| MFCD02093726 |