Ethyl Acetate
Ethyl Acetate is a clear, colorless, volatile organic solvent with a characteristic sweet, fruity odor reminiscent of pear drops. It is an ester formed by the condensation of ethanol and acetic acid. Known for its excellent solvency, low toxicity, and rapid evaporation rate, Ethyl Acetate is widely used as a solvent in coatings, adhesives, inks, pharmaceuticals, and chemical synthesis. It is miscible with most organic solvents and partially soluble in water. Ethyl Acetate offers high volatility, making it ideal for quick-drying formulations.
Ethyl Acetate Uses
Primary Uses
Coatings & Paints
- Used extensively as a solvent in lacquers, varnishes, and automotive and industrial coatings for fast drying and good film formation.
- Enhances leveling and gloss in architectural paints and finishes.
Adhesives & Sealants
- Serves as a solvent for adhesives including pressure-sensitive adhesives, contact cements, and sealants.
- Facilitates proper viscosity and drying time in adhesive formulations.
Printing Inks
- Common solvent in solvent-based printing inks for flexible packaging, labels, and commercial printing.
- Helps achieve smooth ink flow and rapid drying on substrates.
Pharmaceuticals
- Utilized as a solvent or extraction agent in pharmaceutical manufacturing processes.
- Employed in preparation of coatings for tablets and capsules.
Chemical Intermediates & Extraction
- Acts as an intermediate in organic synthesis reactions.
- Used as an extraction solvent in decaffeination and various laboratory procedures.
Cosmetics & Personal Care
- Present in nail polish removers and fragrances as a solvent due to its volatility and mild odor.
- Used in certain cosmetic preparations to aid ingredient dispersion.
Secondary Uses
Food Industry
- Approved as a flavoring agent and solvent in food products under regulated limits.
Cleaning & Degreasing
Applied in industrial and electronic cleaning formulations for fast evaporation and residue-free cleaning.
Key Attributes
Basic Identification Attributes
- Chemical Name (IUPAC): Ethyl acetate
- Common/Trade Name: Ethyl Acetate
- CAS Number: 141-78-6
- HS Code: 2915.31.00
- Molecular Formula: C4H8O2
- Synonyms: Ethyl ethanoate, Acetic acid ethyl ester, Acetic ether
Physical & Chemical Properties
- Physical State: Clear, colorless liquid
- Odor: Sweet, fruity, characteristic
- Boiling Point: 77.1°C
- Melting Point: -83.6°C
- Density: 0.902 g/cm³ at 20°C
- Flash Point: 12°C (closed cup)
- Vapor Pressure: 97 mmHg at 20°C
- Solubility: Miscible with most organic solvents; partially soluble in water (~8.3% w/w at 20°C)
- Evaporation Rate: Fast
- Vapor Density: 3.0 (air = 1)
- Refractive Index: 1.3727 at 20°C
Stability: Stable under recommended storage conditions; incompatible with strong acids, bases, and oxidizers.
Safety & Hazard Attributes
- Hazard Class (GHS): Flammable liquid – Category 2
- Toxicity: Low acute toxicity; may cause mild irritation to eyes and respiratory tract
- Exposure Limits: OSHA PEL - 400 ppm (1400 mg/m³) TWA
- Flammability: Highly flammable liquid and vapor
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from heat, sparks, and open flames
- Container Type: Stored in tightly closed metal or glass containers
- Shelf Life: Typically 1–2 years if stored properly
- Handling Precautions: Use explosion-proof equipment; avoid static discharge; ensure good ventilation
Regulatory & Compliance Attributes
- FDA Status: Generally recognized as safe (GRAS) for use as a solvent and flavoring agent under regulated conditions
- REACH Registration: Registered and compliant in EU regulations
- VOC Regulations: Regulated as a volatile organic compound in many regions
- Restrictions: Must comply with flammable liquid storage and transportation rules
Environmental & Health Impact
- Biodegradability: Readily biodegradable in aerobic conditions
- Ecotoxicity: Moderate toxicity to aquatic life; avoid release to waterways
- Bioaccumulation: Low potential
Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
Safety Handling Precautions
PPE Required:
- Flame-resistant gloves
- Safety goggles or face shield
- Protective clothing
- Use respiratory protection if ventilation is inadequate
Handling Guidelines:
- Avoid inhalation of vapors and contact with skin or eyes
- Use grounding and bonding during transfer to prevent static sparks
- Do not smoke or use ignition sources nearby
Storage Measures:
- Store away from oxidizers, acids, and bases
- Keep containers tightly closed and away from heat sources
- Use explosion-proof ventilation systems
Hygiene Practices:
- Wash hands thoroughly after handling
- Avoid eating, drinking, or smoking in work areas
- Clean equipment regularly
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water; remove contaminated clothing; seek medical advice if irritation develops
- Eye Contact: Rinse cautiously with water for 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; do not induce vomiting; seek medical help immediately
Firefighting Measures
- Fire Hazards: Highly flammable liquid and vapor; vapors may form explosive mixtures with air
- Extinguishing Media: Use foam, dry chemical, CO₂, or water spray
- Special Precautions: Wear full protective gear and self-contained breathing apparatus
Decomposition Products: Carbon oxides, acetaldehyde, and other toxic fumes