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5-Ethyl-3-hydroxy-4-methyl-2(5H)furanone

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Name

5-Ethyl-3-hydroxy-4-methyl-2(5H)furanone

EINECS 211-811-6
CAS No. 698-10-2 Density 1.183 g/cm3
PSA 46.53000 LogP 1.15380
Solubility N/A Melting Point 31-35 °C(lit.)
Formula C7H10O3 Boiling Point 316.4 °C at 760 mmHg
Molecular Weight 142.155 Flash Point 147 °C
Transport Information N/A Appearance light yellow liquid
Safety 24/25 Risk Codes N/A
Molecular Structure Molecular Structure of 698-10-2 (2(5H)-Furanone,5-ethyl-3-hydroxy-4-methyl-) Hazard Symbols N/A
Synonyms

2-Hexenoicacid, 2,4-dihydroxy-3-methyl-, g-lactone (6CI,7CI);3-Hydroxy-4-methyl-5-ethyl-2(5H)-furanone;Abhexone;Homosotolone;a-Hydroxy-b-methyl-Da,b-g-hexenolactone;a-Hydroxy-b-methyl-g-hexenolactone;

Article Data 2

5-Ethyl-3-hydroxy-4-methyl-2(5H)furanone Synthetic route

2-ethyl-4-hydroxy-3-methyl-5-oxo-2,5-dihydrofuran-2-carboxylic acid

698-10-2

5-ethyl-3-hydroxy-4-methyl-(5H)-furan-2-one

Conditions
ConditionsYield
at 150℃; for 10h;86%
112026-00-3

2-hydroxy-4-(methoxycarbonyl)-3-methyl-2-hexen-4-olid

698-10-2

5-ethyl-3-hydroxy-4-methyl-(5H)-furan-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: KOH / H2O / 1 h / 20 °C
2: 86 percent / 10 h / 150 °C
View Scheme
698-10-2

5-ethyl-3-hydroxy-4-methyl-(5H)-furan-2-one

A

144831-61-8

5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone

B

144831-60-7

(R)-5-ethyl-3-hydroxy-4-methylfuran-2(5H)-one

Conditions
ConditionsYield
With CHIRALPAK IA In ethyl acetate; isopropyl alcohol at 25℃; Resolution of racemate; optical yield given as %ee;

5-Ethyl-3-hydroxy-4-methyl-2(5H)furanone Chemical Properties

IUPAC Name: 2-Ethyl-4-hydroxy-3-methyl-2H-furan-5-one 
Following is the structure of 2(5H)-Furanone,5-ethyl-3-hydroxy-4-methyl- (CAS NO.698-10-2):
                       
Empirical Formula: C7H10O3
Molecular Weight: 142.1525 g/mol
EINECS: 211-811-6
Index of Refraction: 1.501
Surface Tension: 39.6 dyne/cm
Density: 1.183 g/cm3
Flash Point: 147 °C
Melting point: 31-35 °C(lit.)
Enthalpy of Vaporization: 64.66 kJ/mol
Boiling Point: 316.4 °C at 760 mmHg
Vapour Pressure: 3.47E-05 mmHg at 25 °C
Appearance of 2(5H)-Furanone,5-ethyl-3-hydroxy-4-methyl- (CAS NO.698-10-2): light yellow liqui
Solubility of 2(5H)-Furanone,5-ethyl-3-hydroxy-4-methyl- (CAS NO.698-10-2):  Soluble  in water
Product Categories: Alphabetical Listings; E-F; Flavors and Fragrances
Canonical SMILES: CCC1C(=C(C(=O)O1)O)C
InChI: InChI=1S/C7H10O3/c1-3-5-4(2)6(8)7(9)10-5/h5,8H,3H2,1-2H3
InChIKey: IUFQZPBIRYFPFD-UHFFFAOYSA-N

5-Ethyl-3-hydroxy-4-methyl-2(5H)furanone Safety Profile

Safety Statements: 24/25 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3

5-Ethyl-3-hydroxy-4-methyl-2(5H)furanone Specification

 2(5H)-Furanone,5-ethyl-3-hydroxy-4-methyl- , its cas register number is 698-10-2. It also can be called 2,4-Dihydroxy-3-methyl-2-hexenoic acid gamma-lactone ; 2-Ethyl-3-methyl-4-hydroxydihydro-(2,5)-furan-5-one ; 2-Hexenoic acid, 2,4-dihydroxy-3-methyl-, gamma-lactone ; 2-Hydroxy-3-methyl-gamma-2-hexenolactone ; 4-Methyl-5-ethyl-3-hydroxyfuranone ; and 5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone .
 2(5H)-Furanone,5-ethyl-3-hydroxy-4-methyl- (CAS NO.698-10-2) is stable under normal temperatures and pressures. While, its hazardous decomposition products are carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. It should be stored in a tightly closed container, or stored in a cool, dry, well-ventilated area away from incompatible substances, or stored under an inert atmosphere. This chemical can not expose to air.

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