Molekula
Dimedone
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
Dimedone is a cyclic ketone used in organic synthesis and as a reagent for detecting aldehydes, with which it forms crystalline condensation derivatives, allowing aldehydes to be distinguished from ketones. It is also employed in the synthesis of pharmaceuticals and agrochemicals. Available with CAS number 126-81-8, molecular formula C8H12O2, and molecular weight 140.18 g/mol. Stored at ambient temperature. Molekula supplies Dimedone 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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100 g — £46.40 per pack ex VAT · £55.68 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 | White or almost white crystalline powder |
| Melting Point | 147°C to 151°C |
| Loss on Drying | 0.5% max |
| Assay | 99.0% min |
| Solubility (5 % in Ethanol) | Clear and colourless |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 0 °C |
| Transport Class | Not regulated |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.06 mmHg |
Source: PubChem CID 31358 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 17649808 |
| CAS Number | 126-81-8 |
| IUPAC Name | 5,5-dimethylcyclohexane-1,3-dione |
| EC Number | 204-804-4 |
| Molecular Formula | (CH3)2C6H6(=O)2 |
| Molecular Weight | 140.18 |
| Exact Mass | 140.0837 |
| SMILES | CC1(CC(=O)CC(=O)C1)C |
| InChIKey | BADXJIPKFRBFOT-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H12O2/c1-8(2)4-6(9)3-7(10)5-8/h3-5H2,1-2H3 |
| PubChem CID | 31358 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914.29.5000 |
| Tariff Code | 2914290090 |
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
- P264 Wash thoroughly after handling
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
- P321 Specific treatment (see supplemental first aid instructions on this label)
- P403+P233 Store in a well-ventilated place. Keep container tightly closed
- P405 Store locked up
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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-Dimethyl-3,5-cyclohexanedione
- 1,1-Dimethyl-3,5-diketocyclohexane
- 1,3-Cyclohexanedione, 5,5-dimethyl-
- 5,5-Dimethylcyclohexane-1,3-dione
- Cyclomethone
- Dimedon
- LU 274
- Medon
- Methon
- Methone
Frequently asked questions
What is Dimedone used for?
Dimedone is commonly used as a reagent in organic synthesis, particularly for the detection and quantification of carbonyl compounds and in the synthesis of heterocyclic compounds.
What is the chemical formula and molecular weight of Dimedone?
The formula of Dimedone is (CH3)2C6H6(=O)2 with a molecular weight of 140.18 g/mol.
How should Dimedone be stored?
Dimedone should be stored at ambient temperature, protected from moisture and light.
What grade of Dimedone does Molekula supply?
Molekula supplies Dimedone in analytical grade, suitable for laboratory and research use.
Can Molekula supply Dimedone in bulk?
Yes, Molekula can supply Dimedone in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Dimedone order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
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.