2,6-Dimethyl-4H-pyran-4-one
- CAS NO.:1004-36-0
- Empirical Formula: C7H8O2
- Molecular Weight: 124.14
- MDL number: MFCD00006579
- EINECS: 213-719-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:21
What is 2,6-Dimethyl-4H-pyran-4-one?
Chemical properties
2,6-Dimethyl-4H-pyran-4-one is white to beige crystalline powder or crystals
The Uses of 2,6-Dimethyl-4H-pyran-4-one
2,6-Dimethyl-4H-pyran-4-one is used as a fragrance ingredient.
The Uses of 2,6-Dimethyl-4H-pyran-4-one
2,6-Dimethyl-4-pyrone is used as a chemical and organic intermediate. It can be used in agrochemical, pharmaceutical and dyestuff field.
Reactions
2,6-dimethyl-4H-pyran-4-one reacts with Phosgene at room temperature could yield 2,6-bis(4′-chloro-2′,6′-dimethylphenyl)-4H-pyran-4-one, and 2-(4′-chloro-2′,6′-dimethylphenyl)-6-methyl-4H-pyran-4-one[1]. 
Synthesis Reference(s)
Journal of the American Chemical Society, 73, p. 300, 1951 DOI: 10.1021/ja01145a098
References
[1] Belsky, I. “The reaction of phosgene with 2,6-dimethyl-4H-pyran-4-one.” Tetrahedron 28 4 (1972): Pages 1001-1008.
Properties of 2,6-Dimethyl-4H-pyran-4-one
| Melting point: | 133-137 °C(lit.) |
| Boiling point: | 248-250 °C(lit.) |
| Density | 0.9953 |
| refractive index | 1.5300 (estimate) |
| Flash point: | 248-250°C |
| storage temp. | Sealed in dry,Room Temperature |
| form | Crystalline Powder or Crystals |
| color | White to beige |
| Water Solubility | Slightly soluble in water. |
| BRN | 107418 |
| CAS DataBase Reference | 1004-36-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 4H-Pyran-4-one, 2,6-dimethyl-(1004-36-0) |
| EPA Substance Registry System | 2,6-Dimethyl-4H-pyran-4-one (1004-36-0) |
Safety information for 2,6-Dimethyl-4H-pyran-4-one
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
Computed Descriptors for 2,6-Dimethyl-4H-pyran-4-one
| InChIKey | VSYFZULSKMFUJJ-UHFFFAOYSA-N |
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