3-Hydroxy-2-methyl-4-pyrone
3-Hydroxy-2-methyl-4-pyrone (CAS: 118-71-8, C6H6O3) is a fine chemical with a molecular weight of 126.11 g/mol. Also known as Maltol, it serves as a valuable building block in organic synthesis and is utilised in cell biology and nutrition research. Its chemical structure and properties make it a compound of interest for various research and development applications, particularly those involving phytochemicals.
- IUPAC
- Maltol
- Synonyms
- Maltol

Organic Synthesis
3-Hydroxy-2-methyl-4-pyrone functions as a versatile building block in organic chemistry. It is employed in the synthesis of more complex molecules and compounds for research purposes.
Cell Biology Research
This compound is utilised in studies related to cell biology. Its specific role can vary depending on the research focus, contributing to the understanding of cellular processes.
Nutrition Research
As a phytochemical, 3-Hydroxy-2-methyl-4-pyrone is of interest in nutrition research. It can be studied for its potential biological activities and effects.
Chemical Intermediate
It serves as an intermediate in the creation of various chemical entities, supporting diverse chemical synthesis pathways.
| Molecular weight | 126.11 |
|---|---|
| Empirical formula | C6H6O3 |
| Assay | 99% |
| Autoignition temp | 1364 °F |
| Melting point | 160-164 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 25 % |
|---|
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-Hydroxy-2-methyl-4-pyrone used for?
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3-Hydroxy-2-methyl-4-pyrone is primarily used as a building block in organic synthesis, in cell biology research, and in nutrition research. It is also recognised as a phytochemical.
What is the CAS number and formula for 3-Hydroxy-2-methyl-4-pyrone?
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The CAS number for 3-Hydroxy-2-methyl-4-pyrone is 118-71-8, and its empirical formula is C6H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Hydroxy-2-methyl-4-pyrone with an assay of 99%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or food grade.
What are the main safety considerations when handling 3-Hydroxy-2-methyl-4-pyrone?
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3-Hydroxy-2-methyl-4-pyrone is classified with Warning (H302-H315-H319-H335). Recommended personal protective equipment includes a dust mask type N95, eyeshields, and gloves. Handle with care to avoid ingestion, skin contact, and eye contact, and ensure adequate ventilation.
How is 3-Hydroxy-2-methyl-4-pyrone packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports chemicals globally, adhering to all necessary regulations to ensure safe transit.
How can I request a sample or quote for 3-Hydroxy-2-methyl-4-pyrone?
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To request a sample or a quote, please contact our sales team through the website or by direct inquiry, providing the product name and CAS number.
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