Tetrahydro-4H-pyran-4-one Cas:29943-42-8

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Product Description:

Product Name: Tetrahydro-4H-pyran-4-one CAS NO: 29943-42-8

 

Synonyms:

tetrahydro-4-pyranone;

4-Oxacyclohexanone;

Oxan-4-one;

 

Chemical & Physical Properties:

Appearance: Colorless to light yellow liquid

Assay :≥99.00%

Density: 1.065 g/cm3

Boiling Point: 166-166.4℃

Flash Point: 56ºC-63.6℃

Refractive Index: 1.451-1.453

Water Solubility: MISCIBLE

Stability: Stable under normal temperatures and pressures.

Storage Condition: Keep Cold

Vapor Pressure: 1.69mmHg at 25℃

 

Safety Information:

Hazard Class: 3.2

Safety Statements: S24/25

HS Code: 29329995

WGK Germany: 3

Packing Group: III

RIDADR: UN 1224 3/PG 3

Risk Statements: R10; R36/37/38

Hazard Codes: Xi; F

Hazard Note: Keep Cold/Flammable/Irritant

 

Tetrahydro-4-pyrone is used in organic synthesis as building block for more complex chemical structures because it participate in a variety of cycloaddition reactions. Tetrahydro-4H-pyran-4-one is used in organic synthesis as building block for more complex chemical structures because it participate in a variety of cycloaddition reactions. Tetrahydro-4H-pyran-4-one is employed in the preparation of 4-methoxytetrahydropyran-4-yl protecting group, synthesis of symmetric tetra substituted methanes.

The methyl enol ether is a useful protecting agent for alcohols, e.g. in nucleotide synthesis, with the advantage over 3,4-Dihydro-2H-pyran. Tetrahydro-4H-pyran-4-one is also employed in a study of the enantioselective alpha-aminoxylation of ketones with nitrosobenzene and L-proline in an ionic liquid. It undergoes condensation reactions in the preparation of dipeptides and spiroimidazolones. Tetrahydro-4H-pyran-4-one is also employed in wittig reactions for the synthesis of Penicillins and in a ring of vitamin D3.

 

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