5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane
5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane (CAS 3663-46-5) is an organic compound with the molecular formula C8H16O3 and a molecular weight of 160.21 g/mol. It is a versatile building block used in chemical synthesis. This oxygen-containing compound, featuring a dioxane ring structure, serves as a useful intermediate in various organic reactions, contributing to the development of complex molecules.
- IUPAC
- (2,2,5-Trimethyl-[1,3]dioxan-5-yl)methanol,2,2,5-Trimethyl-1,3-dioxane-5-methanol
- Synonyms
- 3-dioxane,2,2,5-Trimethyl-1,3-dioxane-5-methanol,(2,2,5-Trimethyl-[1,3]dioxan-5-yl)methanol

Organic Synthesis Intermediate
Serves as a valuable building block in organic chemistry for the construction of more complex molecular architectures. Its functional groups allow for participation in a range of chemical transformations.
Research and Development
Utilised in R&D settings for exploring new synthetic routes and developing novel compounds. Its specific structure makes it suitable for varied research applications in academic and industrial laboratories.
Chemical Building Block
A key component in the synthesis of various organic molecules, contributing to the fields of materials science and speciality chemicals. Its unique structural features are advantageous for specific synthetic targets.
| Molecular weight | 160.21 |
|---|---|
| Empirical formula | C8H16O3 |
| Assay | 96% |
| Boiling point | 75 °C/0.4 mmHg(lit.) |
| Density | 1.062 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4520(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 101 °C / 213.8 °F |
| Water hazard class (WGK, DE) | 3 |
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 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane used for?
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This compound is primarily used as a building block and intermediate in organic synthesis and research and development.
What is the CAS number and chemical formula for 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane?
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The CAS number is 3663-46-5 and the empirical formula is C8H16O3.
What grade and purity does Tech Serve Solutions supply for 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane?
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Tech Serve Solutions supplies 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane?
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Recommended personal protective equipment includes eyeshields and gloves. The compound has a flash point of 101 °C (213.8 °F), indicating it is combustible. Appropriate handling procedures should be followed to avoid exposure and ensure safe use.
How is 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane packed and shipped?
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Tech Serve Solutions packs and exports chemicals in compliance with international regulations. Specific packaging details can be provided upon request.
How can I request a sample or quote for 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane?
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To request a sample or a quotation, please contact our sales department through the website or by calling us directly.
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