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HomeProduct name list4,6-Dimethyl-2-pyrone

4,6-Dimethyl-2-pyrone

Synonym(s):4,6-Dimethyl-2H-pyran-2-one

  • CAS NO.:675-09-2
  • Empirical Formula: C7H8O2
  • Molecular Weight: 124.14
  • MDL number: MFCD00075555
  • EINECS: 211-618-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
4,6-Dimethyl-2-pyrone Structural

What is 4,6-Dimethyl-2-pyrone?

Chemical properties

white to light yellow crystal powder

The Uses of 4,6-Dimethyl-2-pyrone

4,6-Dimethyl-α-pyrone (Me21) has been used in the preparation of G4C{Me21} via reacting with tetra-p-sulfocalix[4]arene (C) and guanidine hydrochloride (GCl). It may be used in the preparation of host-guest complex G4C{Me21} by reacting with crystalline guanidinium-sulfonate-calixarene (G4C). This complex on UV irradiation afforded 1,3-dimethylcyclobutadiene (Me2CBD).

General Description

4,6-Dimethyl-α-pyrone was immobilized in a guanidinium-sulfonate-calixarene (G4C) crystalline network, which upon exposure to ultraviolet irradiation, transforms the entrapped 4,6-dimethyl-α-pyrone into a 4,6-dimethyl-β-lactone. Thin solid films layers of 4,6-dimethyl-α-pyrone on UV irradiation at -190°C were investigated.

Properties of 4,6-Dimethyl-2-pyrone

Melting point: 48-50 °C (lit.)
Boiling point: 170.92°C (rough estimate)
Density  1.0538 (rough estimate)
refractive index  1.3810 (estimate)
Flash point: >230 °F
form  Crystalline Low Melting Mass
color  Yellow
Odor at 10.00 % in dipropylene glycol. sweet caramel sugar green licorice balsam gourmand
Water Solubility  242.4g/L(59.7 ºC)
CAS DataBase Reference 675-09-2(CAS DataBase Reference)
NIST Chemistry Reference 2H-Pyran-2-one, 4,6-dimethyl-(675-09-2)
EPA Substance Registry System 2H-Pyran-2-one, 4,6-dimethyl- (675-09-2)

Safety information for 4,6-Dimethyl-2-pyrone

Computed Descriptors for 4,6-Dimethyl-2-pyrone

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