3,3-Dimethyl-1-butyne
3,3-Dimethyl-1-butyne (CAS 917-92-0), also known as tert-butylacetylene, is a terminal alkyne with the molecular formula C₆H₁₀ and a molecular weight of 82.14 g/mol. This volatile organic compound serves as a valuable building block in organic synthesis. Its primary applications lie in the creation of complex molecules and intermediates, particularly in research and development settings within the chemical and pharmaceutical industries.
- IUPAC
- tert-Butylacetylene
- Synonyms
- (CH3)3CC≡CHtert-Butylacetylene
Organic Synthesis Intermediate
3,3-Dimethyl-1-butyne is utilised as a key intermediate in various organic synthesis pathways. Its terminal alkyne functionality allows for diverse chemical transformations, enabling the construction of more complex organic structures.
Research and Development
This compound finds application in academic and industrial research laboratories. It has been employed in studies involving the synthesis of specific isomers, such as in the preparation of erythro and threo isomers of B-(3,3-dimethyl-1,2-dideuterio-1-butyl)-9-BBN via hydroboration-deuteronolysis-hydroboration sequences.
Building Block for Specialty Chemicals
As a functionalised alkyne, it acts as a versatile building block for the development of specialty chemicals and novel materials. Its unique structure can impart specific properties to the final products.
| Molecular weight | 82.14 |
|---|---|
| Linear formula | (CH3)3CC≡CH |
| Assay | 98% |
| Boiling point | 37-38 °C(lit.) |
| Density | 0.667 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.374(lit.) |
| Vapour pressure | 7.88 psi (20 °C) |
| Melting point | −78 °C(lit.) |
| Storage temperature | 2-8°C |
| Application | 3,3-Dimethyl-1-butyne was used in the synthesis of erythro and threo isomers of B-(3,3-dimethyl-1,2-dideuterio-1-butyl)-9-BBN by hydroboration-deuteronolysis-hydroboration sequence1. |
Hazard statements
- H224Extremely flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -25 °C / -13 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+,Xi |
| Risk statements (R) | 12-36/37/38 |
| Safety statements (S) | 3-7/9-16-26-33 |
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 3,3-Dimethyl-1-butyne used for?
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3,3-Dimethyl-1-butyne is used as a building block in organic synthesis and in research and development, including the synthesis of specific isomers in chemical reactions.
What is the CAS number and chemical formula for 3,3-Dimethyl-1-butyne?
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The CAS number is 917-92-0 and the linear formula is (CH₃)₃CC≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3-Dimethyl-1-butyne with an assay of 98%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
How should 3,3-Dimethyl-1-butyne be handled safely?
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3,3-Dimethyl-1-butyne is extremely flammable (H224) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, away from ignition sources. Store at 2-8°C.
Is 3,3-Dimethyl-1-butyne available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3,3-Dimethyl-1-butyne.
How can I request a sample or a quote for 3,3-Dimethyl-1-butyne?
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Please contact our sales department via the website or phone to request a sample or a quotation for 3,3-Dimethyl-1-butyne.
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