ChemicalBook > CAS DataBase List > 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
3-Ethyl-2-hydroxy-2-cyclopenten-1-one
- Product Name
- 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
- Formula Weight
- 126.15
- MOL File
- 21835-01-8.mol
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3-Ethyl-2-hydroxy-2-cyclopenten-1-one Property
- Melting point:
- 39.0 to 43.0 °C
- Boiling point:
- 75°C/0.3mmHg(lit.)
- Density
- 1.066 at 25 °C
- refractive index
- n20/D 1.476
- FEMA
- 3152 | 3-ETHYL-2-HYDROXY-2-CYCLOPENTEN-1-ONE
- 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)
- 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)
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Safety
- Hazard Codes
- Xn,Xi
- Risk Statements
- 20/22-43
- Safety Statements
- 26-36-36/37
- WGK Germany
- 3
- HS Code
- 29144000
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H317May cause an allergic skin reaction
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P272Contaminated work clothing should not be allowed out of the workplace.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- W315230
- Product name
- Ethylcyclopentenolone
- Purity
- natural, 97%, FG
- Packaging
- sample-k
- Price
- $87.7
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- W315230
- Product name
- Ethylcyclopentenolone
- Purity
- natural, 97%, FG
- Packaging
- 100g
- Price
- $498
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- W315230
- Product name
- Ethylcyclopentenolone
- Purity
- natural, 97%, FG
- Packaging
- 500g
- Price
- $2090
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- W315230
- Product name
- Ethylcyclopentenolone
- Purity
- natural, 97%, FG
- Packaging
- 1kg
- Price
- $3560
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 301744
- Product name
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one solution
- Purity
- 50 wt. % in propylene glycol
- Packaging
- 25g
- Price
- $106
- Updated
- 2023/01/07
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3-Ethyl-2-hydroxy-2-cyclopenten-1-one Chemical Properties,Usage,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
Raw materials
Preparation Products
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3-Ethyl-2-hydroxy-2-cyclopenten-1-one Suppliers
- Tel
- --
- Fax
- --
- Country
- Ireland
- ProdList
- 34
- Advantage
- 58
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View Lastest Price from 3-Ethyl-2-hydroxy-2-cyclopenten-1-one manufacturers
Hebei Zhuanglai Chemical Trading Co.,Ltd
- Product
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one 21835-01-8
- Price
- US $120.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20ton
- Release date
- 2024-05-16
Hebei Weibang Biotechnology Co., Ltd
- Product
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one 21835-01-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2024-11-04
JINING XINHE CHEMICAL CO., LTD
- Product
- 3-Ethyl-2-hydroxy-2-cyclopenten-1-one 21835-01-8
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 10ton
- Release date
- 2024-07-18
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