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 1999 · 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
On backorder — expected to ship by 25 November 2026
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £41.70 per pack ex VAT · £50.04 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
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
Safety Data Sheets (SDS)
We haven't published a Safety Data Sheet for this product yet. Ask us and we'll send you one.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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.