2,2,6-Trimethyl-4H-1,3-dioxin-4-one
2,2,6-Trimethyl-4H-1,3-dioxin-4-one (CAS: 5394-63-8) is a cyclic organic compound with a molecular weight of 142.15 g/mol. This chemical serves as a valuable building block in organic synthesis. It is known for its utility in reactions such as the synthesis of acetylketene via flash pyrolysis, making it a useful reagent for generating reactive intermediates in laboratory and industrial settings.
- IUPAC
- Diketene acetone adduct
- Synonyms
- Diketene acetone adduct3-dioxin-4-oneC7H10O3
Synthesis of Acetylketene
2,2,6-Trimethyl-4H-1,3-dioxin-4-one can be employed in the flash pyrolysis process to produce acetylketene. This application is significant for generating reactive intermediates used in further chemical transformations.
Organic Synthesis Intermediate
As a dioxinone derivative, this compound functions as a versatile building block in organic chemistry. Its structure allows for various synthetic manipulations, contributing to the creation of more complex molecules.
Lactone Chemistry
Belonging to the lactone class, 2,2,6-Trimethyl-4H-1,3-dioxin-4-one can participate in reactions characteristic of cyclic esters, offering pathways for derivatisation and ring-opening reactions.
| Molecular weight | 142.15 |
|---|---|
| Empirical formula | C7H10O3 |
| Assay | 95% |
| Boiling point | ~275 °C(lit.)65-67 °C/2 mmHg(lit.) |
| Density | 1.07 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.460(lit.) |
| Solubility | water: insoluble |
| Melting point | 12-13 °C(lit.) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤0.10% diketene (GC)≤0.3% dehydracetic acid (GC)≤0.5% 4-methyl-3-penten-2-one (GC)≤6.0% acetone (GC) |
| Application | 2,2,6-Trimethyl-4H-1,3-dioxin-4-one was used in the synthesis of acetylketene by flash pyrolysis1. |
Hazard statements
- H225Highly flammable liquid and vapour
- H319Causes serious eye irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 14 °C / 57.2 °F |
| Transport (UN / ADR) | UN 1993BE 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36 |
| Safety statements (S) | 16-26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,2,6-Trimethyl-4H-1,3-dioxin-4-one used for?
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This compound is primarily used as an intermediate in organic synthesis, notably for the production of acetylketene through flash pyrolysis.
What is the CAS number and formula for 2,2,6-Trimethyl-4H-1,3-dioxin-4-one?
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The CAS number is 5394-63-8, and its empirical formula is C7H10O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2,6-Trimethyl-4H-1,3-dioxin-4-one with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 2,2,6-Trimethyl-4H-1,3-dioxin-4-one be handled safely?
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This chemical is flammable and causes serious eye irritation. It requires handling with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
Is 2,2,6-Trimethyl-4H-1,3-dioxin-4-one regulated?
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Based on the provided data, there is no indication that this compound is a scheduled or controlled substance. However, users should always verify local regulations.
How is 2,2,6-Trimethyl-4H-1,3-dioxin-4-one packed and shipped?
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It is shipped as a UN 1993, Class 3, Packing Group II hazardous material. Storage at 2-8°C is recommended.
How can I request a quote or sample?
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Please contact our sales team via the website or phone to request a quote or sample of 2,2,6-Trimethyl-4H-1,3-dioxin-4-one.
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