4-(tert-Butyl)phenylacetylene
- CAS NO.：772-38-3
- Empirical Formula: C12H14
- Molecular Weight: 158.24
- MDL number: MFCD00190197
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:42
What is 4-(tert-Butyl)phenylacetylene?
Chemical properties
Clear pale yellowish-brown liquid
The Uses of 4-(tert-Butyl)phenylacetylene
4-tert-Butylphenylacetylene is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.
The Uses of 4-(tert-Butyl)phenylacetylene
4-tert-Butylphenylacetylene can be used in the synthesis of the following:
- 1,6-bis(4-tert-butylphenyl)hexa-1,5-diyne-3,4-dione
- 4,4′,5,5′-tetra(4-tert-butylphenylethynyl)dibenzo-24-crown-8-ether via Sonogashira coupling reaction with 4,4′,5,5′-tetraiododibenzo-24-crown-8-ether
- 1-(4-tert-butylphenyl)-2-(4-tert-butyldimethylsiloxyphenyl)acetylene via palladium catalyzed coupling with 4-(tert-butyldimethylsiloxy)iodobenzene
General Description
4-tert-Butylphenylacetylene can be synthesized from 4-tert-butylstyrene.
Properties of 4-(tert-Butyl)phenylacetylene
| Boiling point: | 70 °C2 mm Hg(lit.) |
| Density | 0.877 g/mL at 25 °C(lit.) |
| refractive index | 1.528-1.53 |
| Flash point: | 180 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Hexanes (Slightly) |
| form | liquid |
| color | Pale green to khaki-brown |
| Specific Gravity | 0.889 |
| Water Solubility | Difficult to mix with water. |
| CAS DataBase Reference | 772-38-3(CAS DataBase Reference) |
Safety information for 4-(tert-Butyl)phenylacetylene
| Signal word | Warning |
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P501:Dispose of contents/container to..… |
Computed Descriptors for 4-(tert-Butyl)phenylacetylene
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