2-ethylhexyl acetate

C10H20O2

CAS103-09-3

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Identification

CAS Number
103-09-3
EC Number
203-079-1
UN Number
PubChem CID
7635

Physical-chemical properties

Molecular Formula
C10H20O2
Molar Mass
172.26 g/mol
IUPAC Name
2-ethylhexyl acetate

Chemical Identifiers

InChI
InChI=1S/C10H20O2/c1-4-6-7-10(5-2)8-12-9(3)11/h10H,4-8H2,1-3H3
InChI Key
WOYWLLHHWAMFCB-UHFFFAOYSA-N

Overview

2-Ethylhexyl acetate (CAS 103-09-3) is an ester compound characterized by its excellent solvency properties and low volatility profile. This versatile chemical compound, with the molecular formula C10H20O2 and molecular weight of 172.26 g/mol, serves as an important industrial solvent in numerous applications across various sectors. Also known by its IUPAC designation 2-ethylhexyl acetate, this ester is formed through the reaction of 2-ethylhexanol with acetic acid, resulting in a colorless liquid with a mild, pleasant odor. The compound exhibits favorable physical and chemical properties that make it particularly valuable in industrial formulations. Its branched-chain structure provides enhanced stability and reduced volatility compared to linear acetate esters, while maintaining excellent compatibility with a wide range of organic materials. The substance demonstrates good thermal stability and resistance to hydrolysis under normal storage conditions. From a safety perspective, 2-ethylhexyl acetate presents minimal hazard concerns, as evidenced by the absence of specific GHS classification requirements or ADR transport restrictions. This favorable safety profile, combined with its low vapor pressure, makes it suitable for use in enclosed environments with appropriate ventilation measures. Key industrial applications include its use as a coalescent in latex paints and coatings, where it aids in film formation and enhances coating performance. The compound also serves as a plasticizer in various polymer formulations and finds application as a solvent in printing inks, adhesives, and specialty chemical formulations. Its low volatility makes it particularly suitable for applications requiring extended working times or reduced emissions. OYSI maintains reliable supply chains for 2-ethylhexyl acetate to support diverse industrial requirements across European markets.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Frequently Asked Questions

What is 2-ethylhexyl acetate?

2-ethylhexyl acetate is an organic chemical compound with the molecular formula C10H20O2 and CAS number 103-09-3. This ester is formed from the reaction between 2-ethylhexanol and acetic acid, resulting in a clear liquid with a molecular weight of 172.26 g/mol. It belongs to the family of acetate esters and is widely used in industrial applications due to its excellent solvent properties and low volatility.

What are the physicochemical properties of 2-ethylhexyl acetate?

2-ethylhexyl acetate is a colorless to pale yellow liquid with a mild, pleasant fruity odor. It has low water solubility but is miscible with most organic solvents including alcohols, ketones, and hydrocarbons. The compound exhibits good thermal stability, low volatility, and excellent compatibility with various polymers and resins, making it suitable for numerous industrial formulations.

What is 2-ethylhexyl acetate used for?

2-ethylhexyl acetate is primarily used as a solvent in coatings, paints, and printing inks due to its excellent solvency power and slow evaporation rate. It serves as a plasticizer in polymer applications, improving flexibility and workability. The compound is also utilized in adhesives, sealants, and as a coalescent in water-based formulations, helping film formation and enhancing performance characteristics.

How to handle 2-ethylhexyl acetate safely?

2-ethylhexyl acetate should be handled with standard laboratory safety practices including wearing appropriate personal protective equipment such as safety glasses, gloves, and protective clothing. Ensure adequate ventilation to minimize vapor exposure and avoid contact with skin and eyes. Use in well-ventilated areas and keep away from ignition sources. Handle containers carefully to prevent spills and always wash hands thoroughly after use.

How to store 2-ethylhexyl acetate correctly?

2-ethylhexyl acetate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers upright and protect from physical damage. Store away from strong oxidizing agents and incompatible materials. Maintain storage temperature below 40°C and ensure proper labeling. Regular inspection of containers for leaks or damage is recommended.

What to do in case of contact with 2-ethylhexyl acetate?

In case of skin contact with 2-ethylhexyl acetate, immediately wash the affected area with soap and plenty of water for at least 15 minutes. If eye contact occurs, rinse thoroughly with water for several minutes and remove contact lenses if present. If inhaled, move to fresh air immediately. If ingested, do not induce vomiting and seek medical attention. Remove contaminated clothing and wash before reuse.

How to dispose of 2-ethylhexyl acetate appropriately?

2-ethylhexyl acetate waste must be disposed of in accordance with local, national, and international waste management regulations. The substance should be collected in suitable containers and handed over to licensed waste disposal companies. Do not discharge into drains, soil, or water bodies. Consider recycling or recovery options where available. Consult local environmental authorities for specific disposal requirements in your region.

How to transport 2-ethylhexyl acetate?

2-ethylhexyl acetate can be transported following standard chemical shipping procedures as it does not fall under specific ADR dangerous goods classifications. Use appropriate packaging materials that are compatible with the substance and ensure containers are properly sealed and labeled. Follow general transportation guidelines for chemical products including proper documentation and handling instructions during transit.

Is 2-ethylhexyl acetate subject to specific regulations?

2-ethylhexyl acetate is regulated under REACH (Registration, Evaluation, Authorization and restriction of CHemicals) in the European Union and must comply with CLP (Classification, Labelling and Packaging) requirements. The substance is not classified as a Substance of Very High Concern (SVHC) and currently has no specific use restrictions. Users must ensure compliance with local occupational health and safety regulations and environmental protection laws.

Where to buy 2-ethylhexyl acetate in Europe?

2-ethylhexyl acetate is available through OYSI, a European distributor of technical chemicals serving various industries across Europe. OYSI provides reliable supply chains and technical support for industrial customers requiring this specialty solvent. The company ensures product quality and regulatory compliance while offering competitive pricing and efficient distribution throughout European markets for both small and large volume requirements.

Data Sources

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