ChemicalBook > CAS DataBase List > Ethyl (R)-3-hydroxybutyrate
Ethyl (R)-3-hydroxybutyrate
- Product Name
- Ethyl (R)-3-hydroxybutyrate
- CAS No.
- 24915-95-5
- Chemical Name
- Ethyl (R)-3-hydroxybutyrate
- Synonyms
- grape butyrate;(R)-grape butyrate;2-ethyl-3-hydroxybutanoate;ETHYL (R)-3-HYDROXYBUTYRATE;ETHYL (R)-3-HYDROXYBUTYLATE;ethyl (3R)-3-hydroxybutanoate;ETHYL R-(-)-3-HYDROXYBUTANOATE;(R)-(-)-Ethyl 3-Hydrobutyrate;Ethyl (R)-3-hydroxybutyrate,98%;ETHYL (R)-(-)-3-HYDROXYBUTYRATE
- CBNumber
- CB8214494
- Molecular Formula
- C6H12O3
- Formula Weight
- 132.16
- MOL File
- 24915-95-5.mol
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Ethyl (R)-3-hydroxybutyrate Property
- alpha
- -45.5 º (589nm, c=1, CHCl3)
- Boiling point:
- 75-76 °C/12 mmHg (lit.)
- Density
- 1.017 g/mL at 25 °C (lit.)
- vapor pressure
- 17.2Pa at 20℃
- refractive index
- n20/D 1.42(lit.)
- Flash point:
- 148 °F
- storage temp.
- 2-8°C
- pka
- 14.45±0.20(Predicted)
- form
- Liquid
- color
- Clear, Colorless
- Specific Gravity
- 1.017
- optical activity
- [α]20/D 46°, c = 1 in chloroform
- Water Solubility
- soluble
- LogP
- 0.341 at 20℃
- CAS DataBase Reference
- 24915-95-5(CAS DataBase Reference)
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Safety
- Risk Statements
- 36/37/38-52
- Safety Statements
- 24/25
- RIDADR
- 1993
- WGK Germany
- 3
- HS Code
- 29181990
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H227Combustible liquid
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P403+P235Store in a well-ventilated place. Keep cool.
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 347329
- Product name
- Ethyl (R)-(?)-3-hydroxybutyrate
- Purity
- 98%
- Packaging
- 1g
- Price
- $10.64
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 347329
- Product name
- Ethyl (R)-(?)-3-hydroxybutyrate
- Purity
- 98%
- Packaging
- 5g
- Price
- $51.48
- Updated
- 2024/03/01
TCI Chemical
- Product number
- H1029
- Product name
- Ethyl (R)-(-)-3-Hydroxybutyrate
- Purity
- >98.0%(GC)
- Packaging
- 1g
- Price
- $64
- Updated
- 2024/03/01
TCI Chemical
- Product number
- H1029
- Product name
- Ethyl (R)-(-)-3-Hydroxybutyrate
- Purity
- >98.0%(GC)
- Packaging
- 5g
- Price
- $132
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- J63400
- Product name
- Ethyl (R)-(-)-3-hydroxybutyrate
- Packaging
- 1g
- Price
- $38.9
- Updated
- 2021/12/16
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Ethyl (R)-3-hydroxybutyrate Chemical Properties,Usage,Production
Description
Ethyl (R)-(-)-3-Hydroxybutyrate is a chiral starting material for the production of numerous biologically active compounds.
Chemical Properties
clear colorless liquid
Uses
Ethyl (R)-(-)-3-hydroxybutyrate is a chiral building block for the preparation of bioactive compounds used in the pharmaceutical industry. It is formed during the hydrolysis of poly-3-hydroxybutyrate.
Definition
ChEBI: Ethyl (R)-3-hydroxybutanoate is an ethyl 3-hydroxybutyrate. It is functionally related to a (R)-3-hydroxybutyric acid.
General Description
Ethyl (R)-3-hydroxybutyrate is an enantiomer of 3-hydroxybutyric acid. It is synthesized from diethyl succinate in a one-pot, stereoselective, high-yield process by using asymmetric synthesis and hydrogenation. The reaction vessel used for this synthesis is a reaction solution that has been optimized to be resistant to high pressure and temperature. This product can be used as a renewable feedstock in the production of polyesters and other polymers.
Synthesis
(R)-β-Butryrolactone (20 g, 230 mmol) was dissolved in 500 mLethanol with 1.0 mL H2SO4 and stirred at room temperature. Aliquots(100 μL) were added to 1.0 mL of methanol and analyzed by GC-MS for conversion of the lactone. Upon completion (> 48 h), a small amount of solid sodium bicarbonate was added and the solvent removed by rotary evaporation. The residue was taken up in dichloromethane and washed with water. The water layer was extracted twice with ethyl acetate. The pooled organic layers were dried with magnesium sulfate, which was then filtered and the solvent removed by rotary evaporation to yield Ethyl (R)-3-hydroxybutyrate as a clear oil (20.2 g, 66%).
Ethyl (R)-3-hydroxybutyrate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Ethyl (R)-3-hydroxybutyrate manufacturers
Hebei Guanlang Biotechnology Co,.LTD
- Product
- Ethyl (R)-3-Hydroxybutyrate 24915-95-5
- Price
- US $5.00-2.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10000kg
- Release date
- 2023-05-26
ChiRial Biomaterial Co Ltd
- Product
- Ethyl (R)-3-Hydroxybutyrate 24915-95-5
- Price
- US $0.00-0.00/g
- Min. Order
- 1g
- Purity
- 97%
- Supply Ability
- 10 tons
- Release date
- 2023-03-23
Henan Aochuang Chemical Co.,Ltd.
- Product
- Ethyl (R)-3-hydroxybutyrate 24915-95-5
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 1Ton
- Release date
- 2022-09-26
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