Molekula
3-Methyl-1,2-cyclopentanedione (Maple lactone)
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
3-Methyl-1,2-cyclopentanedione, commonly called maple lactone, is a key flavor compound responsible for the distinctive aroma and taste of maple syrup. It is widely used in food and beverage industries as a natural flavoring agent, as well as in fragrance formulations to replicate maple-like scents. This chemical has a CAS number of 765-70-8, with the molecular formula C6H8O2 and a molecular weight of 112.13. It is typically stored at ambient conditions. The product carries a signal word of "Warning" for safety classification. Molekula supplies 3-Methyl-1,2-cyclopentanedione 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.
-
100 g — $147.70 per pack
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 to cream to yellow crystalline powder or crystals |
| Melting Point | 103-108℃ |
| Assay | ≥ 98.0% |
| FT-IR | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 °C |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 106.5 - 107 °C |
Source: PubChem CID 61209 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 67214708 |
| CAS Number | 765-70-8 |
| IUPAC Name | 3-methylcyclopentane-1,2-dione |
| EC Number | 212-154-8 |
| Molecular Formula | C6H8O2 |
| Molecular Weight | 112.13 |
| Exact Mass | 112.0524 |
| SMILES | CC1CCC(=O)C1=O |
| InChIKey | OACYKCIZDVVNJL-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H8O2/c1-4-2-3-5(7)6(4)8/h4H,2-3H2,1H3 |
| PubChem CID | 61209 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914.29.5000 |
| Tariff Code | 2914290090 |
Safety & GHS
-
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
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+350 IF ON SKIN: Gently 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+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
- P308+P313 IF exposed or concerned: Get medical advice/attention
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
- 1,2-CYCLOPENTANEDIONE, 3-METHYL-
- 2-hydroxy-3-methylcyclopent-2-en-1-one; 3-methylcyclopentane-1,2-dione
- 2-Hydroxy-5-methyl-2-cyclopenten-1-one
- 3-Methyl-1,2-cyclopentanedione
- 3-Methylcyclopentane-1,2-dione
- FEMA 2700
- methyl-cyclopentenolone
- Methylcyclopentenolone (diketo
- Methylcyclopentenolone (diketo form)
- Methylcyclopentenolone (natural)
Frequently asked questions
What is 3-Methyl-1,2-cyclopentanedione (Maple lactone) commonly used for?
It is primarily used as a flavoring agent, imparting a maple-like aroma and taste in food, beverages, and fragrances.
What is the chemical formula and molecular weight of this compound?
The chemical formula is **C6H8O2**, and the molecular weight is **112.13 g/mol**.
How should 3-Methyl-1,2-cyclopentanedione be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances.
What grades or purities are available for this product?
Molekula supplies **food-grade and analytical-grade** 3-Methyl-1,2-cyclopentanedione; confirm your application for the correct specification.
Can Molekula supply this compound in bulk quantities?
Yes, bulk quantities are available upon request—contact us for pricing and lead times.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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.