2-Methyl-1,3-dioxolane
2-Methyl-1,3-dioxolane (CAS 497-26-7), also known as Acetaldehyde ethylene acetal, is a clear, colourless liquid with the molecular formula C4H8O2 and a molecular weight of 88.11 g/mol. This cyclic acetal serves as a valuable building block and intermediate in organic synthesis. It is primarily utilised in chemical synthesis for the protection of carbonyl groups and in the preparation of various organic compounds.
- IUPAC
- Acetaldehyde ethylene acetal
- Synonyms
- Acetaldehyde ethylene acetal1,3-Dioxolane, 2-methyl-
Organic Synthesis Intermediate
2-Methyl-1,3-dioxolane functions as a key intermediate in the synthesis of more complex organic molecules. Its acetal structure allows for selective reactions and transformations in multi-step syntheses.
Protecting Group Chemistry
It is employed as a protecting group for aldehydes, particularly acetaldehyde, preventing unwanted reactions at the carbonyl functionality during synthetic procedures. This protection is reversible under acidic conditions.
Building Block in Heterocyclic Chemistry
The compound can be utilised as a precursor or building block in the construction of various heterocyclic systems, owing to its reactive functional groups and cyclic structure.
| Molecular weight | 88.11 |
|---|---|
| Empirical formula | C4H8O2 |
| Assay | 97% |
| Boiling point | 82-83 °C(lit.) |
| Density | 0.982 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.398(lit.) |
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 | -2 °C / 28.4 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 2 |
| 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-Methyl-1,3-dioxolane used for?
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2-Methyl-1,3-dioxolane is used as an intermediate and building block in organic synthesis, particularly for protecting aldehyde groups and in the preparation of heterocyclic compounds.
What is the CAS number and formula for 2-Methyl-1,3-dioxolane?
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The CAS number for 2-Methyl-1,3-dioxolane is 497-26-7, and its molecular formula is C4H8O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-1,3-dioxolane with an assay of 97%. This is a technical grade suitable for research and synthesis; TSS does not represent it as USP, BP, or EP grade.
How should 2-Methyl-1,3-dioxolane be handled safely?
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2-Methyl-1,3-dioxolane is a flammable liquid and an eye irritant (H225, H319). Handle in a well-ventilated area, away from ignition sources. Wear appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Store in tightly closed containers.
Is 2-Methyl-1,3-dioxolane a controlled substance?
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The provided data does not indicate that 2-Methyl-1,3-dioxolane is a controlled substance.
How is 2-Methyl-1,3-dioxolane packed and exported?
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2-Methyl-1,3-dioxolane is packed in compliance with UN 1993 BF 3 / PGII regulations for safe transport and is exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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Please contact our sales department via the website or direct email to request a quote or sample of 2-Methyl-1,3-dioxolane.
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