Methoxyacetaldehyde dimethyl acetal
Methoxyacetaldehyde dimethyl acetal (CAS: 24332-20-5; Formula: CH3OCH2CH(OCH3)2) is a chemical compound with a molecular weight of 120.15 g/mol. This organic building block, also known as 1,1,2-trimethoxyethane, serves as a valuable intermediate in organic synthesis. Its utility spans various chemical research and development sectors, particularly in the creation of more complex molecules. It is supplied by Tech Serve Solutions with an assay of ≥98.0% (GC).
- IUPAC
- 1,1,2-Trimethoxyethane
- Synonyms
- 1,1,2-Trimethoxyethane

Organic Synthesis Intermediate
Methoxyacetaldehyde dimethyl acetal functions as a key building block in the synthesis of various organic compounds. Its acetal structure allows for controlled reactions and functional group transformations.
Chemical Research and Development
This compound is utilised in research laboratories for the development of novel chemical entities and synthetic methodologies. It provides a reliable starting point for multi-step synthetic pathways.
Aldehyde Precursor
As a protected form of an aldehyde, it can be deprotected under specific conditions to reveal the reactive aldehyde functionality for subsequent reactions in a controlled manner.
| Molecular weight | 120.15 |
|---|---|
| Linear formula | CH3OCH2CH(OCH3)2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 56-59 °C/56 mmHg(lit.) |
| Density | 0.932 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.392(lit.)n20/D 1.393 |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 23 °C / 73.4 °F |
| Transport (UN / ADR) | UN 3271 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36 |
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 dimethyl acetal used for?
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Methoxyacetaldehyde dimethyl acetal is primarily used as an intermediate and building block in organic synthesis and chemical research and development.
What are the CAS number and chemical formula for Methoxyacetaldehyde dimethyl acetal?
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The CAS number is 24332-20-5 and the chemical formula is CH3OCH2CH(OCH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methoxyacetaldehyde dimethyl acetal with a purity of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should Methoxyacetaldehyde dimethyl acetal be handled safely?
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Methoxyacetaldehyde dimethyl acetal is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle in a well-ventilated area, away from ignition sources, wearing appropriate personal protective equipment including safety glasses, gloves, and a suitable respirator.
How is Methoxyacetaldehyde dimethyl acetal packed and shipped?
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This product is shipped and exported in compliance with international regulations for hazardous materials, with UN classification UN 3271 3 / PGIII. Packaging details are available upon request.
How can I request a sample or quote for Methoxyacetaldehyde dimethyl acetal?
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To request a sample or quote, please contact our sales team through the website or by phone, providing your specific requirements.
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