ChemicalBook >> CAS DataBase List >>3-Methyl-1,2-cyclopentanedione
3-Methyl-1,2-cyclopentanedione
- CAS No.
- 765-70-8
- Chemical Name:
- 3-Methyl-1,2-cyclopentanedione
- Synonyms
- MCP;1,2-Cyclopentanedione, 3-methyl-;MAPLE LACTONE;2-HYDROXY-3-METHYL-2-CYCLOPENTEN-1-ONE;3-METHYLCYCLOPENTANE-1,2-DIONE;2-HYDROXY-3-METHYL-2-CYCLOPENTENONE;FEMA 2700;3-Methyl-1,2-cyclopentadione;3-Methylcyclopenta-1,2-dione;2-Cyclopentanedione,3-methyl-1
- CBNumber:
- CB6378985
- Molecular Formula:
- C6H8O2
- Molecular Weight:
- 112.13
- MDL Number:
- MFCD00001417
- MOL File:
- 765-70-8.mol
- MSDS File:
- SDS
Last updated:2023-11-09 17:14:14
| Melting point | 104-108 °C(lit.) |
|---|---|
| Boiling point | 170.05°C (rough estimate) |
| Density | 1.0795 (rough estimate) |
| refractive index | 1.4550 (estimate) |
| FEMA | 2700 | METHYLCYCLOPENTENOLONE |
| Flash point | 100 °C |
| storage temp. | Store below +30°C. |
| solubility | soluble in Methanol |
| form | Powder |
| color | White to off-white |
| Odor | at 10.00 % in dipropylene glycol. sweet caramel maple sugar coffee woody |
| Odor Type | caramellic |
| Water Solubility | soluble |
| λmax | 259nm(EtOH)(lit.) |
| JECFA Number | 418 |
| BRN | 2076520 |
| LogP | 0.04 |
| CAS DataBase Reference | 765-70-8(CAS DataBase Reference) |
| Substances Added to Food (formerly EAFUS) | METHYLCYCLOPENTENOLONE |
| EWG's Food Scores | 1 |
| FDA UNII | 627E92X64B |
| NIST Chemistry Reference | 1,2-Cyclopentanedione, 3-methyl-(765-70-8) |
| EPA Substance Registry System | 1,2-Cyclopentanedione, 3-methyl- (765-70-8) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302 | |||||||||
| Precautionary statements | P280-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38-43 | |||||||||
| Safety Statements | 22-24/25-36/37-26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29142900 | |||||||||
| NFPA 704 |
|
3-Methyl-1,2-cyclopentanedione price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 178500 | 3-Methyl-1,2-cyclopentanedione 99% | 765-70-8 | 10g | $53.4 | 2024-03-01 | Buy |
| TCI Chemical | M2904 | 3-Methyl-1,2-cyclopentanedione >98.0%(GC)(T) | 765-70-8 | 25g | $42 | 2024-03-01 | Buy |
| Alfa Aesar | A10255 | 3-Methylcyclopentane-1,2-dione, 98+% | 765-70-8 | 10g | $26.65 | 2024-03-01 | Buy |
| Alfa Aesar | A10255 | 3-Methylcyclopentane-1,2-dione, 98+% | 765-70-8 | 50g | $78.65 | 2024-03-01 | Buy |
| Alfa Aesar | A10255 | 3-Methylcyclopentane-1,2-dione, 98+% | 765-70-8 | 100g | $146.65 | 2024-03-01 | Buy |
3-Methyl-1,2-cyclopentanedione Chemical Properties,Uses,Production
Description
Methylcyclopentenolone has a sweet flavor somewhat similar to licorice.
Chemical Properties
WHITE TO OFF-WHITE POWDER
Chemical Properties
Methylcyclopentenolone has a sweet flavor somewhat similar to licorice. This compound is also reported to have a nutty odor, and a maple-licorice aroma in dilute solution
Occurrence
Reported formed during the dry distillation of wood; found also in the corresponding tar oil; identified in fenugreek. Also reported found in black currants, onion, wheat bread, cured and cooked pork, beer, cocoa, coffee, barley, filbert, almond, sukiyaki, licorice, dried bonito and roasted chicory root
Preparation
Sublimes and distills at atmospheric pressure with decomposition.
Definition
ChEBI: 3-Methyl-1,2-cyclopentanedione is a cyclic ketone.
Aroma threshold values
Detection: 300 ppb
Taste threshold values
Taste characteristics at 5 ppm: sweet, maple, bready, caramellic with nutty nuances.
Synthesis Reference(s)
Synthesis, p. 104, 1975 DOI: 10.1055/s-1975-23673
General Description
3-Methyl-1,2-cyclopentanedione is present in coffee and is capable of scavenging peroxynitrite. It also has anti-inflammatory effects.
3-Methyl-1,2-cyclopentanedione Preparation Products And Raw materials
Raw materials
Preparation Products
3-Methyl-1,2-cyclopentanedione Suppliers
Global( 181)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Mojin Biotechnology Co., Ltd | +8613288715578 | sales@hbmojin.com | China | 12456 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8617531190177 | peter@yan-xi.com | China | 5993 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21691 | 55 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 47465 | 58 |
| career henan chemical co | +86-0371-86658258 15093356674; | factory@coreychem.com | China | 29826 | 58 |
| SIMAGCHEM CORP | +86-13806087780 | sale@simagchem.com | China | 17367 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 | sales@tnjchem.com | China | 34572 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23556 | 58 |
| Baoji Guokang Healthchem co.,ltd | +8615604608665 15604608665 | dominicguo@gk-bio.com | CHINA | 9427 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | info@dycnchem.com | CHINA | 52867 | 58 |
View Lastest Price from 3-Methyl-1,2-cyclopentanedione manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2023-11-09 | 3-Methyl-1,2-cyclopentanedione
765-70-8
|
US $0.00 / KG | 1KG | 99% | 50000KG/month | Hebei Mojin Biotechnology Co., Ltd | |
 |
2023-09-15 | 3-Methyl-1,2-cyclopentanedione
765-70-8
|
US $65.00-10.00 / kg | 1kg | 0.99 | 20 tons | Hebei Yanxi Chemical Co., Ltd. | |
 |
2023-09-06 | 3-Methyl-1,2-cyclopentanedione
765-70-8
|
US $0.00 / KG | 1KG | 99% | 500000kg | Hebei Guanlang Biotechnology Co., Ltd. |
-
- 3-Methyl-1,2-cyclopentanedione
765-70-8
- US $0.00 / KG
- 99%
- Hebei Mojin Biotechnology Co., Ltd
-
- 3-Methyl-1,2-cyclopentanedione
765-70-8
- US $65.00-10.00 / kg
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
-
- 3-Methyl-1,2-cyclopentanedione
765-70-8
- US $0.00 / KG
- 99%
- Hebei Guanlang Biotechnology Co., Ltd.
3-Methyl-1,2-cyclopentanedione Spectrum
3-Methyl-1,2-cyclopentanedione(765-70-8)MS3-Methyl-1,2-cyclopentanedione(765-70-8)1HNMR3-Methyl-1,2-cyclopentanedione(765-70-8)13CNMR3-Methyl-1,2-cyclopentanedione(765-70-8)IR13-Methyl-1,2-cyclopentanedione(765-70-8)IR23-Methyl-1,2-cyclopentanedione(765-70-8)IR33-Methyl-1,2-cyclopentanedione(765-70-8)Raman
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opentane-1,2-dione
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765-70-8
Ketones
Organic Building Blocks
C3 to C6
Carbonyl Compounds
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Indolines ,Indoles ,Indazoles