Ethyl 4-oxopentanoate

Modify Date: 2025-08-20 17:49:56

Ethyl 4-oxopentanoate Structure
Ethyl 4-oxopentanoate structure
 Common Name Ethyl 4-oxopentanoate
CAS Number 539-88-8 Molecular Weight 144.168
Density 1.0±0.1 g/cm3 Boiling Point 205.5±0.0 °C at 760 mmHg
Molecular Formula C7H12O3 Melting Point N/A
MSDS Chinese USA Flash Point 90.6±0.0 °C

 Names

Name Ethyl Levulinate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 205.5±0.0 °C at 760 mmHg
Molecular Formula C7H12O3
Molecular Weight 144.168
Flash Point 90.6±0.0 °C
Exact Mass 144.078644
PSA 43.37000
LogP 0.40
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.416
Storage condition 2-8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OI1700000
CHEMICAL NAME :
Levulinic acid, ethyl ester
CAS REGISTRY NUMBER :
539-88-8
BEILSTEIN REFERENCE NO. :
0507641
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C7-H12-O3
MOLECULAR WEIGHT :
144.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,679,1982 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,679,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,679,1982

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS OI1700000
HS Code 29183000

 Synthetic Route

 Customs

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles3

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Bioresour. Technol. 193 , 386-92, (2015)

This work addresses an unprecedented way of co-producing biodiesel (FAEE) and valuable chemicals of ethyl levulinate (EL), ethyl formate (EF) and diethyl ether (DEE) from wet in situ transesterificati...

Examples of perceptive interactions involved in specific "red-" and "black-berry" aromas in red wines.

J. Agric. Food Chem. 57(9) , 3702-8, (2009)

A preparative HPLC method, which preserves wine aromas and isolates fruity characteristics in specific fractions, was applied to red wine aroma extracts. Various odor-active zones were detected in typ...

Electron microscopic observations of intracytoplasmic membrane systems and cell division in Mycobacterium lepraemurium.

Int. J. Lepr. Other Mycobact. Dis. 47(4) , 585-96, (1979)

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 Synonyms

MFCD00009209
Pentanoic acid, 4-oxo-, ethyl ester
4-Ketovaleric Acid Ethyl Ester
4-oxovaleric acid ethyl ester
Levulinic Acid Ethyl Ester
3-Acetylpropionic Acid Ethyl Ester
Ethyl 4-oxopentanoate
EINECS 208-728-2
Ethyl levulinate
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