レブリン酸 エチル

Ethyl levulinate

HCID 10883CAS 539-88-8

基本情報

標準SMILES
CCOC(=O)CCC(C)=O
InChIKey
GMEONFUTDYJSNV-UHFFFAOYSA-N
分子式
C7H12O3
平均分子量
144.17 g/mol
単同位体質量
144.07864424

概要

Ethyl levulinate is an oxo carboxylic acid.

名称と識別子

優先名称
Ethyl levulinate
IUPAC
ethyl 4-oxopentanoate
現地名
レブリン酸 エチル
英語名
Ethyl levulinate
分子式
C7H12O3
分子量
144.17

名称と別名

ETHYL LEVULINATEEthyl 4-oxopentanoate539-88-8Ethyl 4-ketovalerateEthyl 4-oxovalerateLevulinic acid, ethyl esterPentanoic acid, 4-oxo-, ethyl esterEthyl acetylpropanoateFEMA No. 2442DTXSID80470587BU24CSS2GNSC-24876
名称をさらに表示
レブリン酸 エチル3-アセチルプロピオン酸エチル4-オキソペンタン酸エチルレブリン酸エチルエチルレブリナート4-オキソ吉草酸エチル3-アセチルプロパン酸エチルエチルレブラート4-ケト吉草酸エチルレブリン酸エチル, 98%エチル 4-オキソペンタノアートELAFEMA 24424-oxo-pentanoicaciethylesterPentanoicacid,4-oxo-,ethylesterinateethyllevulate
DTXCID6027058RefChem:138978208-728-2Ethyl levulateEthyl laevulinateEthyl 3-acetylpropionateEthyl ketovalerateethyllevulinate

データベース識別子

CAS
539-88-8
PubChem CID
10883
DTXSID
DTXSID8047058
ChEMBL
CHEMBL3182933
ChEBI
CHEBI:169371
UNII
7BU24CSS2G
EC Number
208-728-2
Nikkaji
J1.595D

物性

構造計算による物性

XLogP
0.1
極性表面積
43.4 Ų
水素結合供与体数
0
水素結合受容体数
3
回転可能結合数
5
重原子数
10

実験および物理化学的性質

SpringerMaterials PropertiesBoiling point
FragrancesFragrance Ingredient (Ethyl levulinate) -> IFRA transparency List
Food AdditivesFLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density1.009-1.014
Flavoring AgentsEU Flavoring substances
Solubility · 2 件

soluble in water and alcohol

1 ml in 1 ml 95% alcohol (in ethanol)

物理化学的性質

融点
25 °C · <25 °C
沸点
93 · 93-94 °C/18 mmHg (lit.)
比重(密度)
1.016 g/mL · 1.016 g/mL at 25 °C (lit.)
蒸気圧
11 Pa · 11Pa at 25℃
FEMA
2442 · 2442 | ETHYL LEVULINATE
屈折率
20 · n20/D 1.422(lit.)

化学的性質

化学的特性Ethyl levulinate has an ethereal, fruity, green, sweet, pineapple, apple, rhubarb odor.

安全と法規制

GHS分類

GHS Classification · 3 件

This chemical does not meet GHS hazard criteria for 90% (1583 of 1758) of all reports.

Not Classified

Aggregated GHS information provided per 1758 reports by companies from 4 notifications to the ECHA C&L Inventory.

危険有害性情報

Regulatory Information · 4 件

Chemical: Pentanoic acid, 4-oxo-, ethyl ester

Regulation (EC) No 1831/2003 (amended)

Status: Active Update: 26-01-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/23920

Ethyl levulinate: Does not have an individual approval but may be used under an appropriate group standard

EPA Safer ChemicalChemical: Ethyl levulinate
Hazard Classes and CategoriesNot Classified

安全データ

wgk
2
tsca
TSCA listed
rtecs
OI1700000
hs_code
29183000
risk_code
36/37/38
化審法
(2)-1492, (2)-1505

化学と産業

薬理情報

Cellular LocationsCytoplasm

用途と製造

Use Classification · 6 件

EPA Safer Chemical Functional Use Classes -> Solvents

Safer Chemical Classes -> Green half-circle - The chemical is expected to be of low concern

Fragrance Ingredients

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

General Manufacturing InformationPentanoic acid, 4-oxo-, ethyl ester: ACTIVE
応用分野 · 4 件

用途有機合成原料。

天然物の起源Reported found in white bread, roasted onion, wheat bread, cognac, malt whiskey, grape wines, cocoa, bilberry wine, Bourbon vanilla and cherimoya (Annona cheremolia Mill.).

使用Ethyl levulinate is used to develop a preparative HPLC method to preserve wine aromas and isolates fruity characteristics of red wine aroma extracts

一般的な説明Ethyl levulinate is diluent for biodiesel fuels with high saturated fatty acid content.

調製方法 · 2 件

製造方法Usually obtained by direct esterification of levulinic acid with ethanol and H2SO4 in benzene or in toluene; also in the presence of HCI in ethanol; other methods starting from glucose, fructose and others are of less importance.

純化方法Stir the ester with Na2CO3 and charcoal, filter and distil. It is freely soluble in H2O and EtOH [IR, NMR: Sterk Monatsh Chem 99 1770 1968, Thomas & Schuette J Am Chem Soc 53 2328 1931, Cox & Dodds J Am Chem Soc 55 3392 1933]. [Beilstein 3 IV 1562.]

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関連反応

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