Ethyl 2-hydroxypropanoate

C5H10O3

ethyl 2-hydroxypropanoate

CAS97-64-3
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
Danger

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Identification

CAS Number
97-64-3
EC Number
202-598-0
UN Number
1192
Index Number
607-129-00-7
PubChem CID
7344

Physical-chemical properties

Molecular Formula
C5H10O3
Molar Mass
118.13 g/mol
IUPAC Name
ethyl 2-hydroxypropanoate

Chemical Identifiers

InChI
InChI=1S/C5H10O3/c1-3-8-5(7)4(2)6/h4,6H,3H2,1-2H3
InChI Key
LZCLXQDLBQLTDK-UHFFFAOYSA-N

Overview

Ethyl 2-hydroxypropanoate (CAS 97-64-3) is an ethyl ester of lactic acid with flammable properties and potential for eye damage. This chemical compound, also known by its IUPAC designation ethyl 2-hydroxypropanoate, represents an important member of the hydroxycarboxylic acid ester family. With the molecular formula C5H10O3 and a molecular weight of 118.13 g/mol, this colorless liquid serves multiple functions across various industrial applications. The compound features both hydroxyl and ester functional groups, making it a versatile intermediate in organic synthesis and industrial processes. The substance carries significant safety considerations, classified under GHS hazard classes including Flam. Liq. 3 (flammable liquid category 3), STOT SE 3 (specific target organ toxicity), and Eye Dam. 1 (serious eye damage). The "Danger" signal word and associated pictogrammes GHS02, GHS07, and GHS05 indicate the need for appropriate handling protocols. Its ADR classification as Class 3 material requires compliance with transportation regulations for flammable liquids. Key industrial applications include its use as a solvent in coating formulations, as an intermediate in pharmaceutical synthesis, and in the production of biodegradable polymers. The compound shares certain structural similarities with other industrial chemicals like N',N'-diethylpropane-1,3-diamine, though their applications differ significantly due to distinct functional group arrangements. Ethyl 2-hydroxypropanoate finds particular value in industries requiring environmentally conscious alternatives to traditional solvents, given its biodegradable nature derived from lactic acid. Its dual functionality as both a solvent and reactive intermediate makes it especially valuable in specialty chemical manufacturing. OYSI maintains reliable supply chains for ethyl 2-hydroxypropanoate, ensuring consistent availability for European industrial customers requiring this versatile chemical compound.

Safety & Classification

Danger
Classification:

Flam. Liq. 3; STOT SE 3; Eye Dam. 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H335

May cause respiratory irritation.

H318

Causes serious eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Irritant

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number1192
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping NameEthyllactat
Marine PollutantNo

Frequently Asked Questions

What is ethyl 2-hydroxypropanoate?

Ethyl 2-hydroxypropanoate is an organic ester compound with the molecular formula C5H10O3 and CAS number 97-64-3. This chemical substance has a molecular weight of 118.13 g/mol and belongs to the family of hydroxycarboxylic acid esters. It is classified as a flammable liquid with specific hazard properties including eye damage potential and specific target organ toxicity. The substance is commercially available for various industrial applications requiring ester-based chemical intermediates.

What are the physicochemical properties of ethyl 2-hydroxypropanoate?

Ethyl 2-hydroxypropanoate is a liquid organic compound at room temperature with a molecular mass of 118.13 g/mol. As an ester derivative of lactic acid, it typically exhibits moderate volatility and characteristic ester-like odor. The compound contains both hydroxyl and ester functional groups, making it polar and potentially miscible with various organic solvents. Its flammable nature (Flam. Liq. 3 classification) indicates a flash point between 23-60°C, requiring appropriate handling precautions.

What is ethyl 2-hydroxypropanoate used for?

Ethyl 2-hydroxypropanoate serves as a chemical intermediate in organic synthesis and pharmaceutical manufacturing. The compound is utilized in the production of various derivatives and as a building block for more complex molecules. Its ester functionality makes it valuable in chemical processes requiring selective hydrolysis or transesterification reactions. Industries commonly employ this substance in specialty chemical manufacturing, research applications, and as a reagent in analytical chemistry procedures.

How to handle ethyl 2-hydroxypropanoate safely?

Ethyl 2-hydroxypropanoate requires careful handling due to its flammable properties and eye damage potential (Eye Dam. 1). Personnel must wear appropriate eye protection, chemical-resistant gloves, and protective clothing when handling this substance. Work areas should have adequate ventilation and be free from ignition sources. The DANGER signal word indicates serious hazards, requiring strict adherence to safety protocols. Emergency eyewash stations should be readily accessible due to the severe eye damage risk.

How to store ethyl 2-hydroxypropanoate correctly?

Ethyl 2-hydroxypropanoate must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames due to its flammable classification. Storage containers should be tightly sealed and made of compatible materials to prevent contamination and vapor release. The storage area should be equipped with appropriate fire suppression systems and maintained below recommended temperature limits. Regular inspection of containers and storage conditions ensures product integrity and workplace safety.

What to do in case of contact with ethyl 2-hydroxypropanoate?

Immediate action is critical if ethyl 2-hydroxypropanoate contacts eyes due to its Eye Dam. 1 classification. Rinse eyes immediately with plenty of water for at least 15 minutes and seek immediate medical attention. For skin contact, wash thoroughly with soap and water. If inhaled, move the person to fresh air and monitor for respiratory symptoms due to STOT SE 3 classification. Remove contaminated clothing and seek medical advice if symptoms persist or worsen.

How to dispose of ethyl 2-hydroxypropanoate properly?

Ethyl 2-hydroxypropanoate disposal must comply with local and European waste regulations as a hazardous chemical waste. The substance cannot be disposed of through regular drainage systems or municipal waste streams. Authorized waste disposal companies should handle collection and treatment using appropriate methods for flammable organic compounds. Waste containers must be properly labeled and segregated from incompatible materials. Documentation of disposal procedures is required for regulatory compliance and traceability.

How to transport ethyl 2-hydroxypropanoate?

Ethyl 2-hydroxypropanoate is classified under ADR Class 3 (flammable liquids), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to international dangerous goods regulations. Vehicles must carry appropriate fire extinguishing equipment and emergency response information. Drivers require ADR certification for handling Class 3 substances. Proper shipping papers and hazard placards are mandatory for legal transportation across European borders.

Is ethyl 2-hydroxypropanoate subject to specific regulations?

Ethyl 2-hydroxypropanoate is subject to standard European chemical regulations including REACH registration requirements and CLP classification obligations. The substance is not currently listed as a Substance of Very High Concern (SVHC), simplifying regulatory compliance. However, its hazardous classification requires adherence to occupational health and safety regulations, proper labeling with GHS pictograms (GHS02, GHS07, GHS05), and implementation of appropriate risk management measures in workplace settings.

Where to buy ethyl 2-hydroxypropanoate in Europe?

Ethyl 2-hydroxypropanoate is available through OYSI, a European distributor specializing in technical chemical products. OYSI provides reliable supply chains across European markets with proper regulatory compliance and technical support. The company ensures products meet required quality standards and provides necessary safety documentation including Safety Data Sheets. For procurement inquiries, technical specifications, and availability information, contact OYSI's sales team who can assist with specific application requirements and delivery arrangements.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.