3-Ethyl-2-hydroxy-2-cyclopenten-1-one
- CAS No.
- 21835-01-8
- Chemical Name:
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
- Synonyms
- FEMA 3152;Ethyl Cyclopentenlone;ETHYL CYCLOPENTENOLONE;Ethyl Eyelopentenolone;ISOVALERIC ACID 99+% FCC;Ethyl cyclopentenol ketone;ETHYL CYCLOPENTENOLONE PURE;Ethyl Cyclopentenolone (50%);3-ETHYL-2-CYCLPENTEN-2-OL-1-ONE;ETHYL CYCLOPENTENOLONE IN 50% P.G.
- CBNumber:
- CB6199223
- Molecular Formula:
- C7H10O2
- Molecular Weight:
- 126.15
- MDL Number:
- MFCD00012391
- MOL File:
- 21835-01-8.mol
- MSDS File:
- SDS
Melting point | 39.0 to 43.0 °C |
---|---|
Boiling point | 75°C/0.3mmHg(lit.) |
Density | 1.066 at 25 °C |
FEMA | 3152 | 3-ETHYL-2-HYDROXY-2-CYCLOPENTEN-1-ONE |
refractive index |
n |
Flash point | 225 °F |
storage temp. | 2-8°C |
solubility | soluble in Methanol,Ether |
form | powder to crystal |
pka | 9.17±0.20(Predicted) |
color | White to Orange to Green |
Odor | at 1.00 % in propylene glycol. sweet caramel maple fenugreek |
Odor Type | caramellic |
JECFA Number | 419 |
InChIKey | JHWFWLUAUPZUCP-UHFFFAOYSA-N |
LogP | 0.83 |
CAS DataBase Reference | 21835-01-8(CAS DataBase Reference) |
Substances Added to Food (formerly EAFUS) | 3-ETHYL-2-HYDROXY-2-CYCLOPENTEN-1-ONE |
EWG's Food Scores | 1 |
FDA UNII | XH8EA788C9 |
NIST Chemistry Reference | 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-(21835-01-8) |
EPA Substance Registry System | 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy- (21835-01-8) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | GHS07 |
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Signal word | Warning | |||||||||
Hazard statements | H317 | |||||||||
Precautionary statements | P261-P272-P280-P333+P313-P362+P364-P501 | |||||||||
Hazard Codes | Xn,Xi | |||||||||
Risk Statements | 20/22-43 | |||||||||
Safety Statements | 26-36-36/37 | |||||||||
WGK Germany | 3 | |||||||||
HS Code | 29144000 | |||||||||
NFPA 704 |
|
3-Ethyl-2-hydroxy-2-cyclopenten-1-one price More Price(20)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | W315230 | Ethylcyclopentenolone natural, 97%, FG | 21835-01-8 | sample-k | $87.7 | 2024-03-01 | Buy |
Sigma-Aldrich | W315230 | Ethylcyclopentenolone natural, 97%, FG | 21835-01-8 | 100g | $498 | 2024-03-01 | Buy |
Sigma-Aldrich | W315230 | Ethylcyclopentenolone natural, 97%, FG | 21835-01-8 | 500g | $2090 | 2024-03-01 | Buy |
Sigma-Aldrich | W315230 | Ethylcyclopentenolone natural, 97%, FG | 21835-01-8 | 1kg | $3560 | 2024-03-01 | Buy |
Sigma-Aldrich | 301744 | 3-Ethyl-2-hydroxy-2-cyclopenten-1-one solution 50 wt. % in propylene glycol | 21835-01-8 | 25g | $106 | 2023-01-07 | Buy |
3-Ethyl-2-hydroxy-2-cyclopenten-1-one Chemical Properties,Uses,Production
Chemical Properties
3-Ethyl-2-hydroxy-2-cyclopenten-1-one has a caramel-like flavor. This compound is often employed to impart a caramel flavor or coconut notes in food. The compound exhibits flavor-enhancing characteristics.
Preparation
From 5-methyl-3,5-dicarbethoxy-2-cyclopen-ten-2-ol-one and phosphoric acid; by a patented process; also from dimethyl adipate.
Definition
ChEBI: 3-Ethyl-2-hydroxycyclopent-2-en-1-one is a cyclic ketone.
Aroma threshold values
Aroma characteristics at 0.5%: sweet, brown, caramellic, maple, brown sugar, rum, whiskey, furanone.
Taste threshold values
A threshold value of 5 ppm, similar to the 3-methyl analog, has been determined by comparative sensory evaluation. Taste characteristics at 12 ppm: sweet, jamy, fruity, brown, toasted, maple, nutty
General Description
3-Ethyl-2-hydroxy-2-cyclopenten-1-one is formed by thermal degradation of ascorbic acid. It is an aroma compound formed from the reactions of L-ascorbic acid with L-threonine/L-serine at different pH values.
3-Ethyl-2-hydroxy-2-cyclopenten-1-one Preparation Products And Raw materials
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12839 | 58 |
Hebei Weibang Biotechnology Co., Ltd | +8617732866630 | bess@weibangbio.com | China | 18153 | 58 |
Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3002 | 58 |
JINING XINHE CHEMICAL CO., LTD | +8615318402391 | sales@xinhepharma.com | China | 809 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29881 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
Hebei Weibang Biotechnology Co., Ltd | +8615531157085 | abby@weibangbio.com | China | 8810 | 58 |
Xiamen AmoyChem Co., Ltd | +86-86-5926051114 +8618959220845 | sales@amoychem.com | China | 6383 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39894 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49374 | 58 |
View Lastest Price from 3-Ethyl-2-hydroxy-2-cyclopenten-1-one manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-11-28 | 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
21835-01-8
|
US $120.00 / kg | 1kg | 99% | 20ton | Hebei Zhuanglai Chemical Trading Co.,Ltd | ||
2024-11-04 | 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
21835-01-8
|
US $0.00-0.00 / KG | 1KG | 99% | 500000kg | Hebei Weibang Biotechnology Co., Ltd | ||
2024-07-18 | 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
21835-01-8
|
US $0.00-0.00 / kg | 1kg | 98% | 10ton | JINING XINHE CHEMICAL CO., LTD |
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
21835-01-8
- US $120.00 / kg
- 99%
- Hebei Zhuanglai Chemical Trading Co.,Ltd
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
21835-01-8
- US $0.00-0.00 / KG
- 99%
- Hebei Weibang Biotechnology Co., Ltd
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
21835-01-8
- US $0.00-0.00 / kg
- 98%
- JINING XINHE CHEMICAL CO., LTD