3-Methyl-1-butyne
3-Methyl-1-butyne (CAS 598-23-2), with the molecular formula C5H8 and a molecular weight of 68.12 g/mol, is a terminal alkyne. This volatile and flammable liquid serves as a versatile building block in organic synthesis. It is commonly employed in research laboratories and chemical manufacturing for the construction of more complex organic molecules, particularly in the pharmaceutical and fine chemical industries.
- IUPAC
- 1-Isopentyne,2-Methyl-3-butyne,3,3-Dimethyl-1-propyne,Isopropylacetylene,Isopropylethyne
- Synonyms
- 1-Isopentyne2-Methyl-3-butyne3,3-Dimethyl-1-propyneIsopropylacetyleneIsopropylethyne
Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of diverse organic compounds. Its terminal alkyne functionality readily participates in various coupling and addition reactions.
Research and Development
Essential reagent in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities.
Fine Chemical Production
Employed in the multi-step synthesis of fine chemicals where its specific structural motif is required.
| Molecular weight | 68.12 |
|---|---|
| Empirical formula | C5H8 |
| Assay | 95% |
| Density | 0.666 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.374 |
| Storage temperature | 2-8°C |
Hazard statements
- H224Extremely flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Flash point | -30 °C / -22 °F |
|---|---|
| Transport (UN / ADR) | UN 3295A 3 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+ |
| Risk statements (R) | 12 |
| Safety statements (S) | 9-16-33 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Methyl-1-butyne used for?
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3-Methyl-1-butyne is primarily used as a building block in organic synthesis for the creation of more complex molecules, finding application in research and fine chemical production.
What is the CAS number and chemical formula for 3-Methyl-1-butyne?
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The CAS number is 598-23-2 and the chemical formula is C5H8.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methyl-1-butyne with an assay of 95%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 3-Methyl-1-butyne be handled safely?
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3-Methyl-1-butyne is extremely flammable (H224) and requires careful handling. Store it in a cool, well-ventilated area away from ignition sources, following safety statement P210. Due to its high flammability, take precautionary measures against static discharge (safety statement 33).
How is 3-Methyl-1-butyne packed and shipped?
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3-Methyl-1-butyne is typically packed in accordance with transport regulations for flammable liquids. It is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for 3-Methyl-1-butyne?
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To request a sample or a quotation for 3-Methyl-1-butyne, please contact our sales team via the website or direct enquiry line.
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