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A14254 2,2,6-Trimethyl-1,3-dioxin-4-one, cont. up to ca 6% acetone

CAS Number
5394-63-8
Synonyms
Diketene acetone adduct
2,2,6-Trimethyl-1,3-dioxolenone

Stock No. Size Price ($) Quantity Availability
A14254-14 25g 25.50
A14254-22 100g 75.30
A14254-36 500g 300.00
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2,2,6-Trimethyl-1,3-dioxin-4-one, cont. up to ca 6% acetone

MDL
MFCD00040468
EINECS
226-403-3

Chemical Properties

Formula
C7H10O3
Formula Weight
142.15
Melting point
Boiling Point
65-67°/2mm
Flash Point
14°(57°F)
Density
1.094
Refractive Index
1.4610
Storage & Sensitivity
Keep Cold.
Solubility
Soluble in Chloroform, Methanol. Not miscible in water.

Applications

2,2,6-Trimethyl-1,3-dioxin-4-one is used in the synthesis of dihydropyrimininones as picomolar sodium iodide symporter inhibitors. It is also used in the synthesis of resorcinol amide Hsp90 Inhibitor AT13387. It is used in the synthesis of acetylketene by flash pyrolysis.

Notes

Store at 4°C. Protect from heat. Store away from oxidizing agents.

Literature References

David M. Birney; Xiaolian Xu; Sihyun Ham and Xiaomeng Huang. Chemoselectivity in the Reactions of Acetylketene and Acetimidoylketene:? Confirmation of Theoretical Predictions. J. Org. Chem.1997, 62 (21), 7114-7120.

Convenient alternative to diketene in many reactions, stable in the absence of base: J. Am. Chem. Soc., 75, 5400 (1953).

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H319-H336

Highly flammable liquid and vapour. Causes serious eye irritation. May cause drowsiness or dizziness.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P337+P313-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If eye irritation persists: Get medical advice/attention. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
2408
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2912.50
TSCA
No

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