Molekula
Dimethoxymethane
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
Dimethoxymethane (DMM), also called methylal, is a colorless, volatile liquid solvent primarily used in the production of resins, coatings, and as a fuel additive. It’s also employed in laboratory settings for extraction and as a reagent in organic synthesis. This chemical has a CAS number of 109-87-5, a molecular formula of CH2(OCH3)2, and a molecular weight of 76.09 g/mol. Store at ambient temperatures, but handle with caution—it carries a Danger signal word due to its flammability and potential health hazards. Molekula supplies Dimethoxymethane 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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
500 mg — £75.00 per pack ex VAT · £90.00 inc. VAT
Need a different quantity or pack?
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 | Clear colourless liquid |
| Water | ≤0.05% |
| Purity (GC) | ≥99.9% |
| Methanol | ≤0.05% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -18 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, clear liquid |
| Odour | Chloroform odor |
| Melting Point | -105 °C |
| Boiling Point | 42 °C |
| Vapour Pressure | 42.6 kPa at 20 °C |
| Refractive Index | 1.3589 |
| log P (octanol/water) | 0 |
Source: PubChem CID 8020 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 57914280 |
| CAS Number | 109-87-5 |
| IUPAC Name | dimethoxymethane |
| EC Number | 203-714-2 |
| Molecular Formula | CH2(OCH3)2 |
| Molecular Weight | 76.09 |
| Exact Mass | 76.0524 |
| SMILES | COCOC |
| InChIKey | NKDDWNXOKDWJAK-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3 |
| PubChem CID | 8020 |
| UN Number | UN1234 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29110050 |
| Tariff Code | 2911000000 |
Safety & GHS
-
Flammable
GHS02
-
Health Hazard
GHS07
Hazard statements
- EUH019 May form explosive peroxides
- H225 Highly flammable liquid and vapour
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
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
- 2,4-Dioxapentane
- Anesthenyl
- Bis(methoxy)methane
- Dimethyl formal
- Formal
- Formaldehyde dimethyl acetal
- Methane, dimethoxy-
- Methoxymethyl methyl ether
- METHYLAL
- Methylene dimethyl ether
Frequently asked questions
What is dimethoxymethane commonly used for?
Dimethoxymethane is primarily used as a solvent in adhesives and coatings, and in organic synthesis as a methoxymethylating agent (for MOM protection of alcohols) and as a formaldehyde equivalent.
What is the chemical formula and molecular weight of dimethoxymethane?
The chemical formula is CH₂(OCH₃)₂, and the molecular weight is 76.09 g/mol.
How should dimethoxymethane be stored?
Store in a tightly sealed container at ambient temperature, away from ignition sources and moisture.
What grades of dimethoxymethane does Molekula supply?
Molekula supplies technical-grade dimethoxymethane (CAS 109-87-5) with purity typically ≥98%.
Can Molekula supply dimethoxymethane in bulk quantities?
Yes, we offer bulk packaging options (drums, IBCs) for industrial-scale orders—contact us for pricing and availability.
What documentation is provided with an order of dimethoxymethane?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a Packing List with batch-specific details.
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.