3,5-Dimethyl-1-hexyn-3-ol
3,5-Dimethyl-1-hexyn-3-ol (CAS 107-54-0) is a tertiary acetylenic alcohol with a molecular weight of 126.20 g/mol. This organic compound functions as a valuable building block in chemical synthesis. Its terminal alkyne and hydroxyl functionalities offer versatile reactivity for constructing more complex molecules, making it a useful intermediate in research and development settings. It is supplied by Tech Serve Solutions with an assay of 98%.
- Synonyms
- (CH3)2CHCH2C(CH3)(OH)C≡CH

Organic Synthesis Intermediate
This acetylenic alcohol serves as a versatile intermediate in organic synthesis. The presence of both a terminal alkyne and a tertiary alcohol group allows for a range of chemical transformations, facilitating the construction of diverse molecular frameworks.
Building Block for Specialty Chemicals
Utilised as a building block, 3,5-Dimethyl-1-hexyn-3-ol is employed in the development of specialty chemicals and novel organic compounds. Its unique structure can be incorporated into target molecules to impart specific properties or functionalities.
Research and Development
In research laboratories, this compound is valuable for exploring new synthetic pathways and for the creation of diverse chemical libraries. Its defined reactivity makes it a reliable component in academic and industrial R&D projects.
| Molecular weight | 126.20 |
|---|---|
| Linear formula | (CH3)2CHCH2C(CH3)(OH)C≡CH |
| Assay | 98% |
| Boiling point | 150-151 °C(lit.) |
| Density | 0.859 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.434(lit.) |
| Vapour pressure | 4.5 mmHg (20 °C) |
| Vapour density | 4.34 (vs air) |


Hazard statements
- H226Flammable liquid and vapour
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H319Causes serious eye irritation
- H331Toxic if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 44 °C / 111.2 °F |
| Transport (UN / ADR) | UN 1986 3/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 10-23/24/25-36 |
| Safety statements (S) | 16-26-36/37/39-45 |
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 3,5-Dimethyl-1-hexyn-3-ol used for?
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3,5-Dimethyl-1-hexyn-3-ol is used as an intermediate and building block in organic synthesis and chemical research and development.
What is the CAS number and formula for 3,5-Dimethyl-1-hexyn-3-ol?
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The CAS number is 107-54-0 and the linear formula is (CH3)2CHCH2C(CH3)(OH)C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dimethyl-1-hexyn-3-ol with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 3,5-Dimethyl-1-hexyn-3-ol be handled safely?
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This compound is a flammable liquid and vapour (H226), toxic if swallowed (H301), toxic in contact with skin (H311), causes serious eye irritation (H319), and toxic if inhaled (H331). Handle with appropriate personal protective equipment including eyeshields, face shields, gloves, and use in a well-ventilated area or with a suitable respirator. Refer to the Safety Data Sheet for comprehensive handling procedures.
How is 3,5-Dimethyl-1-hexyn-3-ol packed, shipped, or exported?
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3,5-Dimethyl-1-hexyn-3-ol is shipped and exported in compliance with relevant transport regulations, such as UN 1986, Class 3, Packing Group III.
How can I request a sample or quote for 3,5-Dimethyl-1-hexyn-3-ol?
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To request a sample or quote, please contact the Tech Serve Solutions sales team through our website or by telephone.
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