

share
2-Pentyne CAS NO 627-21-4
Unit Price:
CAS No.:627-21-4
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2-Pentyne is a linear alkyne with the chemical formula C5H8, serving as a valuable intermediate in organic synthesis and fine chemical manufacturing. Its terminal alkyne functionality makes it a versatile building block for constructing more complex molecules through reactions like Sonogashira coupling and metal acetylide formation. This compound is essential for researchers and industrial chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity specialty chemicals for their development and production processes.
Application
- Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
- Agrochemical Synthesis: Serves as a key precursor in the production of herbicides, fungicides, and other crop protection agents.
- Organic Synthesis Building Block: Employed in cross-coupling reactions (e.g., Sonogashira) to create carbon-carbon bonds for novel compounds.
- Material Science Research: Utilized in the development of polymers, ligands for catalysis, and other advanced materials.
- Chemical Research & Development: Acts as a standard or reagent in academic and industrial R&D laboratories for method development.
- Fine Chemical Production: Integral in the manufacture of flavors, fragrances, and other high-value specialty chemicals.
Basic Information
| Product Name | 2-Pentyne |
| CAS No. | 627-21-4 |
| Molecular Formula | C5H8 |
| Molecular Weight | 68.12 g/mol |
| Synonyms | Ethylmethylacetylene; 1-Ethyl-2-propyne; Methyl ethyl acetylene; 3-Pentyne (isomer); Pent-2-yne |
| EINECS | 210-985-4 |
Quality Control
Our 2-Pentyne is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling, to meet exacting customer requirements. Certificates of Analysis (COA) documenting all test results are provided with every shipment to support your quality assurance and regulatory compliance needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its volatile and flammable nature, keep away from oxidizers and strong acids. Recommended storage temperature is 2-8°C for long-term stability.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms |
| Assay (GC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.1% |
| Density (at 20°C) | 0.710 - 0.730 g/mL |
| Boiling Point | 55 - 57 °C |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


2-Methylundecane CAS NO 7045-71-8


Docosane CAS NO 629-97-0


1-Heptyne CAS NO 628-71-7


1,7-Octadiene CAS NO 3710-30-3


Isooctane CAS NO 26635-64-3


Diisobutylene CAS NO 25167-70-8


2,2,4,6,6-Pentamethyl-3-Heptene CAS NO 123-48-8


n-Eicosane CAS NO 112-95-8


Hexane CAS NO 110-54-3


n-Dodecane CAS NO 112-40-3


1 -Octene CAS NO 111-66-0


n-Hexadecane CAS NO 544-76-3


Isopentane CAS NO 78-78-4


2,3-Dimethylbutane CAS NO 79-29-8


Poly(1-Decene) CAS NO 68037-01-4


n-Tetradecane CAS NO 629-59-4


1,3-Butadiene CAS NO 106-99-0


1-Butyne CAS NO 107-00-6


2,4,4-Trimethyl-2-Pentene CAS NO 107-40-4


2-Methylpentane CAS NO 107-83-5
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





