3,4-DIFLUOROPHENYLACETYLENE
Synonym(s):4-Ethynyl-1,2-difluorobenzene
- CAS NO.：143874-13-9
- Empirical Formula: C8H4F2
- Molecular Weight: 138.11
- MDL number: MFCD08059511
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:55
What is 3,4-DIFLUOROPHENYLACETYLENE?
The Uses of 3,4-DIFLUOROPHENYLACETYLENE
3,4-DIFLUOROPHENYLACETYLENE is a fundamental building block used in organic synthesis for the preparation of metalated and metal-free tetraalkynyl-substituted phthalocyanines, and 3,5-substituted enones etc.
Properties of 3,4-DIFLUOROPHENYLACETYLENE
| Boiling point: | 54/2mm |
| Density | 1.144 g/mL at 25 °C |
| refractive index | 1.4902 |
| Flash point: | 7 °C |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | clear liquid |
| color | Colorless to Light yellow |
Safety information for 3,4-DIFLUOROPHENYLACETYLENE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
Computed Descriptors for 3,4-DIFLUOROPHENYLACETYLENE
| InChIKey | XFPAOXIWRDDQGG-UHFFFAOYSA-N |
3,4-DIFLUOROPHENYLACETYLENE manufacturer
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