4-Chlorophenylacetylene
Synonym(s):(4-Chlorophenyl)acetylene
- CAS NO.：873-73-4
- Empirical Formula: C8H5Cl
- Molecular Weight: 136.58
- MDL number: MFCD00191917
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:10:47
What is 4-Chlorophenylacetylene?
Chemical properties
White Crystalline Solid
The Uses of 4-Chlorophenylacetylene
4-Chlorophenylacetylene is used as pharmaceutical intermediate.
Synthesis Reference(s)
Synthesis, p. 728, 1984 DOI: 10.1055/s-1984-30947
General Description
1-Chloro-4-ethynylbenzene undergoes standard Sonogashira reaction with iodophenyl groups on the film surfaces via the formation of C?C bonds.
Properties of 4-Chlorophenylacetylene
| Melting point: | 45-47 °C(lit.) |
| Boiling point: | 79-82 °C (23 mmHg) |
| Density | 1.24 g/cm3(Temp: 50 °C) |
| Flash point: | 10 °C |
| storage temp. | Sealed in dry,2-8°C |
| solubility | Acetone, Chloroform (Slightly), Dichloromethane, DMF, DMSO, Ethanol, Ethyl Acetate) |
| form | Crystalline Mass |
| color | Yellow to pale brown |
| Water Solubility | Insoluble in water. Soluble in acetone, chloroform, dichloromethane, DMF, DMSO, ethanol, ethyl acetate, hexane, methanol,THF and toluene. |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 873-73-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1-chloro-4-ethynyl-(873-73-4) |
Safety information for 4-Chlorophenylacetylene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H228:Flammable solids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Chlorophenylacetylene
| InChIKey | LFZJRTMTKGYJRS-UHFFFAOYSA-N |
New Products
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