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2,2,6-Trimethyl-1,3-dioxin-4-one, 94%, cont. up to ca 6% acetone - CAS 5394-63-8 - Formula C7H10O3


Certificate of Analysis

2,2,6-Trimethyl-1,3-dioxin-4-one, 94%, cont. up to ca 6% acetone

CAS: 5394-63-8 MDL: MFCD00040468  EINECS: 226-403-3
UN#:UN1993Hazard Class:3Packing Group:II
Alternate Name: Diketene acetone adduct


Pricing and Availability

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Chemical Properties

Formula: C7H10O3  Flash point: 14°(57°F)
Formula weight: 142.15  Density: 1.094
Melting point:  Refractive Index: 1.4610
Boiling point: 65-67°/2mm 

Literature References

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

Other References

Beilstein: 2408
UN#: UN1993
Harmonized Tariff Code:   2912.50

GHS Hazard and Precautionary Statements

Hazard Statements : H225-H315-H319-H335

Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P210-P261-P303+P361+P353-P305+P351+P338-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

FlammableHarmful or Irritant

Risk & Safety

Risk Phrases: 11-36/37/38
Flammable. Irritating to eyes, respiratory system and skin.
Safety Phrases: 9-16-23-26-33-36/37-60
Keep container in a well ventilated place. Keep away from sources of ignition - No Smoking. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Take precautionary measures against static discharges. Wear suitable protective clothing and gloves. This material and/or its container must be disposed of as hazardous waste.
Irritant Highly Flammable