Molekula
Dimethyl malonate
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
Dimethyl malonate (CAS 108-59-8) is a versatile organic compound with the molecular formula CH₂(COOCH₃)₂, widely used as a building block in pharmaceutical synthesis, agrochemical production, and organic chemistry research. Its reactive ester groups enable efficient alkylation and condensation reactions, making it essential for creating complex molecules. This clear, colorless liquid has a molecular weight of 132.11 g/mol and is stored at ambient conditions. Classified with a **warning** signal word, it requires standard handling precautions. Molekula supplies dimethyl malonate 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.
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500 g — £29.50 per pack ex VAT · £35.40 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 | Liquid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 85 °C |
| Transport Class | Not regulated |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 14.7 mmHg |
Source: PubChem CID 7943 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 26615043 |
| CAS Number | 108-59-8 |
| IUPAC Name | dimethyl propanedioate |
| EC Number | 203-597-8 |
| Molecular Formula | CH2(COOCH3)2 |
| Molecular Weight | 132.11 |
| Exact Mass | 132.0423 |
| SMILES | COC(=O)CC(=O)OC |
| InChIKey | BEPAFCGSDWSTEL-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H8O4/c1-8-4(6)3-5(7)9-2/h3H2,1-2H3 |
| PubChem CID | 7943 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29171935 |
| Tariff Code | 2917191010 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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, 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
- 1,3-dimethyl propanedioate
- 2,2-dimethylpropanedioate
- CH2(COOMe)2
- Dimethyl 1,3-propanedioate
- Dimethyl ester of malonic acid
- Dimethyl propanedioate
- MALONIC ACID, DIMETHYL ESTER
- Methyl malonate
- Propanedioic acid, 1,3-dimethyl ester
- Propanedioic acid, dimethyl ester
Frequently asked questions
What is dimethyl malonate commonly used for?
Dimethyl malonate (CAS 108-59-8) is primarily used as a building block in organic synthesis, including the production of pharmaceuticals, agrochemicals, and fine chemicals, as well as a solvent and intermediate for malonic ester synthesis.
What is the chemical formula and molecular weight of dimethyl malonate?
The chemical formula is **CH₂(COOCH₃)₂**, and the molecular weight is **132.11 g/mol**.
How should dimethyl malonate be stored?
Store dimethyl malonate at **ambient temperature** in a tightly sealed container, away from strong oxidizing agents and moisture.
What grades of dimethyl malonate does Molekula supply?
Molekula supplies **analytical and synthesis-grade dimethyl malonate**, meeting high-purity standards for research and industrial applications.
Can Molekula supply dimethyl malonate in bulk quantities?
Yes, Molekula can supply dimethyl malonate in bulk, with quantities tailored to meet your specific production needs.
What documentation comes with a dimethyl malonate order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet for traceability and compliance.
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.