Ethyl lactate

Modify Date: 2026-07-02 13:02:31

Ethyl lactate Structure
Ethyl lactate structure
 Common Name Ethyl lactate
CAS Number 97-64-3 Molecular Weight 118.131
Density 1.1±0.1 g/cm3 Boiling Point 154.5±0.0 °C at 760 mmHg
Molecular Formula C5H10O3 Melting Point -26°C
MSDS Chinese USA Flash Point 48.9±0.0 °C
Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07		 Signal Word Danger

Summary: Ethyl lactate, Chinese name 乳酸乙酯, CAS number 97-64-3, molecular formula C5H10O3, molecular weight 118.131. Colorless liquid, melting point -26°C, boiling point 154.5±0.0 °C, density 1.1±0.1 g/cm3. Used as a solvent for nitrocellulose and cellulose acetate, and for flavor industry, such as fruit and lactose-type edible and wine flavor essences. GB 2760—96 lists it as an allowable food flavoring agent, often used as a food additive. For research-use only, not for medical or clinical usage.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Ethyl lactate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 154.5±0.0 °C at 760 mmHg
Melting Point -26°C
Molecular Formula C5H10O3
Molecular Weight 118.131
Flash Point 48.9±0.0 °C
Exact Mass 118.062996
PSA 46.53000
LogP -0.19
Vapour Pressure 1.2±0.6 mmHg at 25°C
Index of Refraction 1.420
InChIKey LZCLXQDLBQLTDK-UHFFFAOYSA-N
SMILES CCOC(=O)C(C)O
Stability Stable. Combustible. Incompatible with strong oxidizing agents.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OD5075000
CHEMICAL NAME :
Lactic acid, ethyl ester
CAS REGISTRY NUMBER :
97-64-3
BEILSTEIN REFERENCE NO. :
1209448
LAST UPDATED :
199701
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C5-H10-O3
MOLECULAR WEIGHT :
118.15
WISWESSER LINE NOTATION :
QVY1&O2

HEALTH HAZARD DATA

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: 20,677,1982
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Behavioral - muscle weakness Lungs, Thorax, or Respiration - cyanosis Lungs, Thorax, or Respiration - other changes
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 11,150,1959
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 65,89,1939
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 65,89,1939
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 65,89,1939
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: 20,677,1982
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
2605 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 76,189,1942 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1136 No. of Facilities: 41 (estimated) No. of Industries: 2 No. of Occupations: 8 No. of Employees: 578 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1136 No. of Facilities: 298 (estimated) No. of Industries: 5 No. of Occupations: 23 No. of Employees: 7298 (estimated) No. of Female Employees: 1962 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07
Signal Word Danger
Hazard Statements H226-H318-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant
Risk Phrases R10;R37;R41
Safety Phrases S24-S26-S39
RIDADR 1192
RTECS OD5075000
Packaging Group III
Hazard Class 3.2
HS Code 2918110000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2918110000
Summary 2918110000. lactic acid, its salts and esters. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles32

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Combined effects of nutrients and temperature on the production of fermentative aromas by Saccharomyces cerevisiae during wine fermentation.

Appl. Microbiol. Biotechnol. 99(5) , 2291-304, (2015)

Volatile compounds produced by yeast during fermentation greatly influence the organoleptic qualities of wine. We developed a model to predict the combined effects of initial nitrogen and phytosterol ...

Use of ethyl lactate to extract bioactive compounds from Cytisus scoparius: Comparison of pressurized liquid extraction and medium scale ambient temperature systems.

Talanta 140 , 134-42, (2015)

An important trend in the extraction of chemical compounds is the application of new environmentally friendly, food grade solvents. Ethyl lactate (ethyl 2-hydroxypropanoate), produced by fermentation ...

Mosquito odorant receptor for DEET and methyl jasmonate.

Proc. Natl. Acad. Sci. U. S. A. 111(46) , 16592-7, (2014)

Insect repellents are important prophylactic tools for travelers and populations living in endemic areas of malaria, dengue, encephalitis, and other vector-borne diseases. DEET (N,N-diethyl-3-methylbe...

 Ethyl lactateBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273
Name: qHTS assay to identify small molecule antagonists of the peroxisome proliferator-acti...
Source: 824
Target: N/A
External Id: PPARGV841
Name: qHTS assay to identify small molecule agonists of the TGF-beta/Smad signaling pathway...
Source: 824
Target: N/A
External Id: TGF788
Name: qHTS assay to identify small molecule antagonists of the TGF-beta/Smad signaling path...
Source: 824
Target: N/A
External Id: TGF602
Name: qHTS assay to test for compound auto fluorescence at 535 nm (green) in HEK293 cell fr...
Source: 824
Target: N/A
External Id: SPEC167MG
Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600
Name: qHTS assay to identify small molecule agonists of the peroxisome proliferator-activat...
Source: 824
Target: N/A
External Id: PPARDV813
Name: qHTS assay to test for compound auto fluorescence at 590 nm (red) in HEK293 cell free...
Source: 824
Target: N/A
External Id: SPEC167MR
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: qHTS ce...
Source: 824
Target: N/A
External Id: P53MS958
Name: qHTS assay to test for compound auto fluorescence at 535 nm (green) in HEK293 cells
Source: 824
Target: N/A
External Id: SPEC167CG
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

(±)-Ethyl 2-hydroxypropionate
QY1&VO2
(±)-Ethyl lactate
Actylol
(±)-Ethyl 2-hydroxypropanoate
Purasolv ELS
FEMA 2440
2-Hydroxypropanoic acid ethyl ester
Ethyl 2-hydroxypropanoate
lactic acid ethyl ester
Acytol
Ethyl α-hydroxypropionate
yl lactate
ethyl 2-hydroxypropionate
Eusolvan
Solactol
MFCD00065359
Ethyl lactate
Ethyl ester of lactic acid
EthyI lactate
Ethyllactat
Propanoic acid, 2-hydroxy-, ethyl ester
dl-ethyl lactate
EINECS 202-598-0

 Ethyl lactate | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of Ethyl lactate?
A: Molecular weight of Ethyl lactate is 118.131.
Q: What is the boiling point of Ethyl lactate?
A: Boiling point of Ethyl lactate is 154.5±0.0 °C at 760 mmHg.
Q: What is the InChIKey of Ethyl lactate?
A: InChIKey of Ethyl lactate is LZCLXQDLBQLTDK-UHFFFAOYSA-N.
Q: What is the LogP of Ethyl lactate?
A: LogP of Ethyl lactate is -0.19.
Q: What is the melting point of Ethyl lactate?
A: Melting point of Ethyl lactate is -26°C.
Q: What is the CAS number of Ethyl lactate?
A: CAS number of Ethyl lactate is 97-64-3.
Q: What is the molecular formula of Ethyl lactate?
A: Molecular formula of Ethyl lactate is C5H10O3.
Q: What is the English name of Ethyl lactate?
A: The English name of Ethyl lactate is Ethyl lactate.
Q: What are the downstream products of Ethyl lactate?
A: Related downstream products(CAS) of Ethyl lactate: 109274-84-2;5422-34-4;598-81-2;349-43-9;146432-17-9;41918-08-5;19737-10-1;27770-23-6;51-79-6.
Q: What are the upstream materials of Ethyl lactate?
A: Related upstream materials(CAS) of Ethyl lactate: 814-80-2;64-17-5;56-81-5;617-35-6;96-26-4;57-50-1;849585-22-4;105198-38-7;925-90-6;109170-82-3.

 Ethyl lactatefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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Chemsrc provides Ethyl lactate(CAS#:97-64-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Ethyl lactate are included as well.>> amp version: Ethyl lactate

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