Tetrahydro-4-pyranol
Tetrahydro-4-pyranol (CAS 2081-44-9), with the molecular formula C5H10O2 and a molecular weight of 102.13, is a heterocyclic alcohol. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure makes it a useful intermediate for the preparation of more complex organic molecules, finding applications in various research and development sectors.
- IUPAC
- 4-Hydroxytetrahydropyran

Chemical Synthesis Intermediate
Tetrahydro-4-pyranol acts as a versatile intermediate in organic synthesis. Its hydroxyl group and heterocyclic ring offer reactive sites for various chemical transformations, enabling the construction of diverse molecular architectures.
Heterocyclic Building Block
As a pyran derivative, this compound is a key building block for constructing more complex heterocyclic systems. It is utilized in research for developing novel compounds with potential applications in pharmaceuticals and materials science.
Analytical Standard
In specific analytical contexts, Tetrahydro-4-pyranol has been employed for quantitative analysis, for instance, in the accurate determination of related compounds like 3-hydroxytetrahydropyran.
| Molecular weight | 102.13 |
|---|---|
| Empirical formula | C5H10O2 |
| Assay | ≥97.5% (GC) |
| Boiling point | 87 °C/15 mmHg(lit.) |
| Density | 1.071 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.462(lit.)n20/D 1.462 |
| Application | Tetrahydro-4-pyranol (4-Hydroxytetrahydropyran) was used in the quantitative analysis of 3-hydroxytetrahydropyran (3-HTHP)1. |

Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 88 °C / 190.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 41 |
| Safety statements (S) | 26-39 |
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 Tetrahydro-4-pyranol used for?
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Tetrahydro-4-pyranol is primarily used as a building block in chemical synthesis and as an intermediate for creating more complex heterocyclic compounds. It has also been utilised in quantitative analytical procedures.
What are the CAS number and formula for Tetrahydro-4-pyranol?
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The CAS number for Tetrahydro-4-pyranol is 2081-44-9, and its molecular formula is C5H10O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrahydro-4-pyranol with a purity of ≥97.5% (GC). This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should Tetrahydro-4-pyranol be handled safely?
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Tetrahydro-4-pyranol is classified as Danger, posing a risk of serious eye damage (H318). Appropriate personal protective equipment, including eyeshields and suitable gloves, is essential. Handle in a well-ventilated area and avoid contact with eyes.
Is Tetrahydro-4-pyranol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Tetrahydro-4-pyranol, serving customers worldwide.
How can I request a sample or quote for Tetrahydro-4-pyranol?
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To request a sample or a quote for Tetrahydro-4-pyranol, please contact our sales team through the website or call us directly.
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