Molekula
4,4-Dimethoxybutan-2-one
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4,4-Dimethoxybutan-2-one is an organic ketone widely used as a synthetic intermediate in pharmaceuticals, agrochemicals, and fragrance production due to its reactivity in aldol condensations and other organic transformations. It is also used as a flavoring agent in flavor formulations. It appears as a colorless to pale yellow liquid with a mild odor, soluble in most organic solvents. CAS 5436-21-5, molecular formula CH3COCH2CH(OCH3)2, molecular weight 132.16 g/mol. Store at ambient temperature in airtight containers away from oxidizing agents. GHS/CLP classification carries the signal word Warning with hazard statement H226 (flammable liquid and vapour). Molekula supplies 4,4-Dimethoxybutan-2-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — £41.70 per pack ex VAT · £50.04 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Boiling Point | 178.0℃ |
| Assay | ≥92.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 49 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | -83 °C at 760 mmHg |
| Boiling Point | 178 °C at 760 mmHg |
Source: PubChem CID 228548 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 18435236 |
| CAS Number | 5436-21-5 |
| IUPAC Name | 4,4-dimethoxybutan-2-one |
| EC Number | 226-605-1 |
| Molecular Formula | CH3COCH2CH(OCH3)2 |
| Molecular Weight | 132.16 |
| Exact Mass | 132.0786 |
| SMILES | CC(=O)CC(OC)OC |
| InChIKey | PJCCSZUMZMCWSX-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H12O3/c1-5(7)4-6(8-2)9-3/h6H,4H2,1-3H3 |
| PubChem CID | 228548 |
| UN Number | UN1993 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914505000 |
| Tariff Code | 2914500090 |
Safety & GHS
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Flammable
GHS02
Hazard statements
- H226 Flammable liquid and vapour
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P233 Keep container tightly closed
- P240 Ground/bond container and receiving equipment
- P241 Use explosion-proof electrical/ventilating/lighting equipment
- P242 Use only non-sparking tools
- P243 Take precautionary measures against static discharge
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,1-Dimethoxy-3-butanone
- 2-Butanone, 4,4-dimethoxy-
- 3-Oxobutanal dimethyl acetal
- 3-Oxobutyraldehyde dimethyl acetal
- 4,4-Dimethoxy-2-butanone
- 4,4-Dimethoxybutanone
- Acetoacetaldehyde dimethyl acetal
- Acetylacetaldehyddimethylacetal
- Acetylacetaldehyde dimethyl acetal
- Formylacetone dimethyl acetal
Frequently asked questions
What is 4,4-Dimethoxybutan-2-one commonly used for?
It is primarily used as a solvent and intermediate in organic synthesis, particularly in the preparation of pharmaceuticals, agrochemicals, and fragrances.
What is the molecular formula and molecular weight of 4,4-Dimethoxybutan-2-one?
The molecular formula is CH₃COCH₂CH(OCH₃)₂, and the molecular weight is 132.16 g/mol.
How should 4,4-Dimethoxybutan-2-one be stored?
Store in a tightly sealed container at ambient temperature, away from sources of ignition and incompatible materials.
What grades or purity levels of 4,4-Dimethoxybutan-2-one does Molekula supply?
Molekula supplies high-purity (98%+) 4,4-Dimethoxybutan-2-one suitable for research, synthesis, and industrial applications.
Can Molekula supply 4,4-Dimethoxybutan-2-one in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for pricing and logistics details.
What documentation comes with an order of 4,4-Dimethoxybutan-2-one?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.