Agent Name

Ethyl lactate

CAS Number

97-64-3

Formula

C5-H10-O3

Major Category

Solvents

Synonyms

2-Hydroxypropanoic acid ethyl ester; Actylol; Acytol; Ethyl 2-hydroxypropanoate; Ethyl 2-hydroxypropionate; Ethyl alpha-hydroxypropionate; Ethyl lactate; Ethyl lactate (natural); Ethylester kyseliny mlecne [Czech]; Lactate d'ethyle [French]; Lactic acid, ethyl ester; Propanoic acid, 2-hydroxy-, ethyl ester; Solactol; [ChemIDplus] UN1192

Category

Esters (<C12)

Description

Colorless liquid with characteristic odor; [Sullivan, p. 450]

Sources/Uses

Used as a solvent substitute for glycol ethers in photolithography in the semiconductor manufacturing industry; used in some nail polish removers; [Sullivan, p. 450-1] Used as a solvent for resins, dyes, and coatings; has FDA approval for use as a food flavoring agent; [HSDB]

Comments

It is similar to ethyl acetate with low toxicity. Does not cause skin irritation or sensitization; No mutagenic effects in bacteria; High doses can cause central nervous system depression. [Sullivan, p. 450-1] Inhalation of high concentrations may cause drowsiness; Liquid is a mild eye irritant; [CAMEO]

Exposure Assessment
Vapor Pressure

3.75 mm Hg

Odor Threshold Low

0.2 ppm

Odor Threshold High

1.66 ppm

Explanatory Notes

Flash point = 46 deg C; Odor threshold from CHEMINFO;

Flammability (NFPA)

2: High ambient temperature required

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: