Methoxyacetaldehyde diethyl acetal
Methoxyacetaldehyde diethyl acetal (CAS: 4819-75-4, Formula: CH3OCH2CH(OC2H5)2) is a versatile organic compound with a molecular weight of 148.20 g/mol. This acetal serves as a valuable building block in organic synthesis and chemical research. Its structure lends itself to various chemical transformations, making it a useful intermediate for creating more complex molecules across different scientific disciplines.

Organic Synthesis Intermediate
Methoxyacetaldehyde diethyl acetal is employed as a key intermediate in the synthesis of various organic compounds. Its acetal functionality allows for controlled reactions and derivatization in multi-step synthetic pathways.
Building Block for Complex Molecules
This compound acts as a fundamental building block in the construction of more intricate molecular architectures. It is utilised in research laboratories for developing novel chemical entities.
Chemical Research Reagent
Utilised in academic and industrial research settings, Methoxyacetaldehyde diethyl acetal facilitates investigations into new chemical reactions and material properties.
| Molecular weight | 148.20 |
|---|---|
| Linear formula | CH3OCH2CH(OC2H5)2 |
| Assay | 97% |
| Boiling point | 144-148 °C(lit.) |
| Density | 0.911 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.399(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 35 °C / 95 °F |
| Transport (UN / ADR) | UN 3271 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-29-33 |
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 Methoxyacetaldehyde diethyl acetal used for?
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Methoxyacetaldehyde diethyl acetal is used as a building block and intermediate in organic synthesis and chemical research.
What is the CAS number and chemical formula for Methoxyacetaldehyde diethyl acetal?
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The CAS number is 4819-75-4 and the chemical formula is CH3OCH2CH(OC2H5)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methoxyacetaldehyde diethyl acetal with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Methoxyacetaldehyde diethyl acetal be handled safely?
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Methoxyacetaldehyde diethyl acetal is a flammable liquid (H226) requiring careful handling. Use appropriate personal protective equipment including eyeshields, face shields, and suitable gloves. Ensure adequate ventilation and avoid sources of ignition.
Is Methoxyacetaldehyde diethyl acetal flammable?
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Yes, Methoxyacetaldehyde diethyl acetal is a flammable liquid with a flash point of 35 °C (95 °F) and is classified under GHS02 with hazard statement H226.
Can Tech Serve Solutions export Methoxyacetaldehyde diethyl acetal?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can facilitate the export of Methoxyacetaldehyde diethyl acetal.
How can I request a quote or sample?
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To request a quote or sample of Methoxyacetaldehyde diethyl acetal, please contact our sales team through the website or via direct enquiry.
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