4-PENTYNOIC ACID
- CAS NO.：6089-09-4
- Empirical Formula: C5H6O2
- Molecular Weight: 98.1
- MDL number: MFCD00004407
- EINECS: 228-028-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-11 17:44:06
What is 4-PENTYNOIC ACID?
Chemical properties
white to beige crystalline powder or flakes
The Uses of 4-PENTYNOIC ACID
4-Pentynoic Acid is a hypoglycemic agent shown to increase liver tyrosine aminotransferase and plasma corticosterone while decreasing blood sugar in rats.
The Uses of 4-PENTYNOIC ACID
4-Pentynoic acid was used:
- as building block for the synthesis of library of eight sequence-defined model oligomers
- in one-pot synthesis of the complex polycyclic heterocycles benzo[4,5]imidazo[1,2-c]pyrrolo[1,2-a]quinazolinone derivatives
- in the synthesis of various allenenols lactones [5(E)-(2-allenylidene)-tetrahydro-2-furanones]
- in the synthesis of a cyctotoxic macrolide by ring-closing metathesis of a bis acetylene
What are the applications of Application
4-Pentynoic acid is a building block for sequence-defined model oligomers
General Description
4-Pentynoic acid undergoes copper-catalyzed intramolecular cyclizations to form enol lactones. It also reacts with 1-bromo-1-alkynes in the presence of a Pd catalyst to yield biologically active ynenol lactones.
Properties of 4-PENTYNOIC ACID
| Melting point: | 54-57 °C(lit.) |
| Boiling point: | 110 °C30 mm Hg(lit.) |
| Density | 1.1133 (rough estimate) |
| refractive index | 1.3930 (estimate) |
| Flash point: | 75 °C |
| storage temp. | 2-8°C |
| pka | 4.30±0.10(Predicted) |
| form | Crystalline Powder or Flakes |
| color | White to beige |
| Water Solubility | Soluble in low polarity organic solvents. Soluble in water. |
| Sensitive | Light & Air Sensitive & Hygroscopic |
| BRN | 1742047 |
| CAS DataBase Reference | 6089-09-4(CAS DataBase Reference) |
Safety information for 4-PENTYNOIC ACID
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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-PENTYNOIC ACID
| InChIKey | MLBYLEUJXUBIJJ-UHFFFAOYSA-N |
New Products
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![(2R)-2-[(S)-1-Hydroxyethyl]-4-pentynoic acid ethyl ester,(R)-2-[(S)-1-Hydroxyethyl]-4-pentynoic acid ethyl ester](https://img.chemicalbook.in/CAS/20200401/GIF/CB72348817.gif)
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