Formaldehyde dimethyl acetal
Formaldehyde dimethyl acetal (CAS: 109-87-5), with the linear formula CH2(OCH3)2 and a molecular weight of 76.09 g/mol, is a clear, colourless liquid. It serves as a valuable organic building block and solvent. Its acetal structure makes it useful in various chemical synthesis applications, particularly where a protected form of formaldehyde is required.
- IUPAC
- Dimethoxymethane,Methylal
- Synonyms
- DimethoxymethaneMethylal
Organic Synthesis Intermediate
Utilised as a building block in organic chemistry for the synthesis of more complex molecules. Its acetal functionality allows for controlled reactions in multi-step syntheses.
Protecting Group Chemistry
Can act as a protecting group for aldehydes or diols in synthetic pathways. It is easily formed and can be cleaved under acidic conditions when protection is no longer needed.
Solvent Applications
Its properties lend it to use as a solvent in certain chemical reactions or formulations, though its flammability requires careful handling.
| Molecular weight | 76.09 |
|---|---|
| Linear formula | CH2(OCH3)2 |
| Assay | ≥99.0% (GC) |
| Density | 0.860 g/mL at 20 °C(lit.) |
| Impurities tested | ≤0.2% water |
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) |
|---|---|
| Flash point | -18 °C / -.4 °F |
| Transport (UN / ADR) | UN 1234 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-19-36 |
| Safety statements (S) | 7/9-16-26-33 |
| Supplemental hazards | May form explosive peroxides. |
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 Formaldehyde dimethyl acetal used for?
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Formaldehyde dimethyl acetal is primarily used as an intermediate in organic synthesis and as a protecting group in chemical reactions. It also finds application as a solvent.
What is the CAS number and chemical formula for Formaldehyde dimethyl acetal?
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The CAS number for Formaldehyde dimethyl acetal is 109-87-5, and its linear chemical formula is CH2(OCH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Formaldehyde dimethyl acetal with an assay of ≥99.0% (GC). This product is not intended for use as USP, BP, or EP grade material.
What are the main safety hazards associated with Formaldehyde dimethyl acetal?
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Formaldehyde dimethyl acetal is a highly flammable liquid and vapour (H225) and causes serious eye irritation (H319). It may also form explosive peroxides. Always handle with appropriate personal protective equipment in a well-ventilated area, away from ignition sources.
How is Formaldehyde dimethyl acetal packed, shipped, and exported?
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Formaldehyde dimethyl acetal is packed in accordance with international shipping regulations for hazardous materials. Tech Serve Solutions exports globally, ensuring compliance with all necessary transport documentation and labelling.
How can I request a sample or a quote for Formaldehyde dimethyl acetal?
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To request a sample or a quote, please visit the Tech Serve Solutions website or contact our sales department directly with your inquiry.
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