Description

Ethyl Lactate (CAS 97-64-3) is a high-purity, biodegradable ester derived from lactic acid and ethanol, with the molecular formula C₅H₁₀O₃. Also known as ethyl 2-hydroxypropanoate, this versatile solvent is widely recognized for its low toxicity, excellent solvency power, and eco-friendly profile. It is a clear, colorless liquid with a mild, pleasant odor, making it ideal for applications requiring a non-hazardous alternative to traditional solvents. Ethyl Lactate is highly miscible with water and most organic solvents, ensuring broad compatibility in formulations. Available in various grades, including pharmaceutical, food, and industrial, this product meets stringent quality standards for research, manufacturing, and laboratory use. Its high boiling point (154°C) and favorable evaporation rate make it a reliable choice for coatings, cleaning agents, and extraction processes.

Properties

• CAS Number: 97-64-3
• Complexity: 79.7
• IUPAC Name: ethyl 2-hydroxypropanoate
• InChI: InChI=1S/C5H10O3/c1-3-8-5(7)4(2)6/h4,6H,3H2,1-2H3
• InChI Key: LZCLXQDLBQLTDK-UHFFFAOYSA-N
• Exact Mass: 118.062994177
• Molecular Formula: C5H10O3
• Molecular Weight: 118.13
• SMILES: CCOC(=O)C(C)O
• Topological: 46.5
• Monoisotopic Mass: 118.062994177
• Physical Description: Ethyl lactate appears as a clear colorless liquid with a mild odor. Flash point 115 °F. Denser than water and soluble in water. Vapors heavier than air.
• Color/Form: Colorless liquid
• Odor: Buttery odor
• Taste: Sweet, fruity, creamy and pineapple like taste
• Boiling Point: 309 °F at 760 mmHg
• Melting Point: -26 °C
• Flash Point: 115 °F
• Solubility: Miscible with water
• Density: 1.03 at 68 °F – Denser than water; will sink
• Vapor Density: 4.07
• Vapor Pressure: 3.75 [mmHg]
• Autoignition Temperature: 752 °F
• Heat of Combustion: -11,600 Btu/lb = -6,500 cal/g = -270X10+5 J/kg
• Heat of Vaporization: 49.4 kJ/mol at 25 °C; 46.4 kJ/mol at 154.5 °C
• Surface Tension: 29.20 dynes/cm = 0.0292 N/m at 20 °C
• Odor Threshold: Odor Threshold Low: 0.2 [ppm]
• Refractive Index: Index of refraction: 1.4124 at 20 °C/D
• Synonyms: ETHYL LACTATE, 97-64-3, Ethyl 2-hydroxypropanoate, Actylol, Solactol, Acytol, Lactic acid, ethyl ester, Ethyl 2-hydroxypropionate, Propanoic acid, 2-hydroxy-, ethyl ester, Lactate d’ethyle, 2-Hydroxypropanoic acid ethyl ester, Eusolvan, Ethyl alpha-hydroxypropionate, Ethyl lactate (natural), FEMA No. 2440, DL-Ethyl Lactate, Ethylester kyseliny mlecne, Lactate d’ethyle [French], NSC 8850, HSDB 412, Ethylester kyseliny mlecne [Czech], ethyl DL-lactate, Ethyl ester of lactic acid, 2-Hydroxypropionic Acid Ethyl Ester, EINECS 202-598-0, UNII-F3P750VW8I, UN1192, BRN 1209448, Ethyl .alpha.-hydroxypropionate, Ethyl racemic-lactate, F3P750VW8I, DTXSID6029127, CHEBI:78321, PURASOLV ELS, VERTECBIO EL, AI3-00395, NSC-8850, ETHYL LACTATE [MI], (.+/-.)-Ethyl lactate, ETHYL LACTATE [FCC], ETHYL LACTATE [FHFI], ETHYL LACTATE [HSDB], ETHYL LACTATE [MART.], DTXCID509127, ETHYL LACTATE [WHO-DD], FEMA 2440, (+-)-Ethyl 2-hydroxypropanoate, (+-)-Ethyl 2-hydroxypropionate, 4-03-00-00643 (Beilstein Handbook Reference), UN 1192, ETHYL LACTATE (MART.), Ethylester kyseliny mlecne (Czech), Ethyl lactic acid, Ethyl 2hydroxypropanoate, Ethyl 2hydroxypropionate, ETHYL RAC-LACTATE, ethyl-2-hydroxypropionate, Ethyl alphahydroxypropionate, ETHYL LACTATE [INCI], Ethyl 2-hydroxypropanoic acid, (+-)-ETHYL LACTATE, (.+-.)-ETHYL LACTATE, 2Hydroxypropanoic acid ethyl ester, DL-LACTIC ACID, ETHYL ESTER, Propanoic acid, 2hydroxy, ethyl ester, (+-)-LACTIC ACID ETHYL ESTER, (.+-.)-LACTIC ACID ETHYL ESTER, (.+-.)-ETHYL 2-HYDROXYPROPIONATE, 202-598-0, lzclxqdlbqltdk-uhfffaoysa-n, Lactic Acid Ethyl Ester, Ethyl lactate,C5H10O3,97-64-3, EthylL-(-)-Lactate, ethyl-lactate, Milchsaureathylester, MFCD00065359, lactic acid ethylester, (S)-(-)-2-Hydroxypropionic acid ethyl ester, Lactic acid-ethyl ester, Mono-Ethyl mono-lactate, Ethyl 2-hydroxypropanoate #, SCHEMBL22598, SCHEMBL95055, SCHEMBL2477047, SCHEMBL4305928, WLN: QVY1 & O2, CHEMBL3186323, SCHEMBL28671237, MSK6702, NSC8850, Tox21_200889, 2-hydroxy-propionic acid ethyl ester, Ethyl lactate, >=98%, FCC, FG, AKOS009157222, (+/-)-LACTIC ACID ETHYL ESTER, CAS-97-64-3, NCGC00248866-01, NCGC00258443-01, (+/-)-ETHYL 2-HYDROXYPROPIONATE, AS-13500, SY030456, DB-057680, A9137, Ethyl lactate, natural, >=98%, FCC, FG, Ethyl lactate, SAJ first grade, >=97.5%, L0003, NS00001187, Ethyl lactate [UN1192] [Flammable liquid], (-)-Ethyl L-lactate Natural, Kosher Certified, EN300-115258, A845735, Q415418, 2-[(4-benzylpiperazin-1-yl)methyl]isoindoline-1,3-dione, (R)-Ethyl D-lactate;(2R)-2-Hydroxypropionic acid ethyl ester, (R)-Ethyl D-lactate ; (2R)-2-Hydroxypropionic acid ethyl ester

Application

Ethyl Lactate is extensively used as a green solvent in pharmaceuticals, agrochemicals, and coatings due to its low environmental impact and high biodegradability. It serves as an effective extraction medium for natural products and as a carrier solvent in ink and dye formulations. In the food industry, it is employed as a flavoring agent and processing aid, approved by regulatory bodies for safe use. Additionally, its compatibility with resins and polymers makes it valuable in specialty adhesives and cleaning solutions. Researchers also utilize Ethyl Lactate in analytical chemistry and as a reaction medium for organic synthesis.

Safety and Hazards

GHS Hazard Statements

• H226: Flammable liquid and vapor [Warning Flammable liquids]
• H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H328
• H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P264+P265, P271, P280, P303+P361+P353, P304+P340, P305+P354+P338, P317, P319, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (> 99.9%)
• Eye Dam. 1 (99.3%)
• STOT SE 3 (99.3%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.