Ethyl Acetate Solvent — Properties, Applications, and Buyer's Guide for UAE & GCC
Ethyl acetate (CAS 141-78-6, HS 2915.31) is one of the most versatile and widely consumed ester solvents globally. With its pleasant fruity odour, relatively low toxicity compared to aromatic solvents, and good solvency for a range of polymers and resins, ethyl acetate is a key raw material for printing ink manufacturers, flexible packaging producers, adhesive formulators, and pharmaceutical companies across the GCC.
Key Physical Properties of Ethyl Acetate
| Property | Value | Relevance |
|---|---|---|
| CAS Number | 141-78-6 | Regulatory and customs identification |
| HS Code | 2915.31 | Import classification in UAE and Saudi Arabia |
| Molecular Formula | C₄H₈O₂ | — |
| Molecular Weight | 88.11 g/mol | — |
| Boiling Point | 77°C | Moderate volatility — faster evaporation than xylene |
| Flash Point | −4°C | Highly flammable — GHS Cat 1, UN 1173, PG II |
| Density @ 20°C | 0.900 g/cm³ | Lighter than water |
| Evaporation Rate (nBAc=1) | 2.9 | Faster than xylene, slower than acetone |
| Kauri-Butanol Value | 60 | Moderate solvency — good for cellulosics, less for aromatics |
| Water Solubility @ 20°C | 83 g/L | Partially water-miscible — must consider in water-based applications |
| ACGIH TLV-TWA | 400 ppm | Much higher than xylene or toluene — relatively lower inhalation risk |
| Odour | Fruity, pleasant | More tolerable in confined-space applications than aromatic solvents |
What Resins and Polymers Does Ethyl Acetate Dissolve?
Ethyl acetate is a selective solvent — it dissolves some polymers excellently and others poorly. Understanding its solvency profile is critical for formulation:
- Excellent dissolution: Nitrocellulose (the most important application), cellulose acetate, cellulose acetate butyrate (CAB), polyvinyl acetate (PVAc), acrylic copolymers, polyurethane coatings
- Good dissolution: Chlorinated rubber, vinyl chloride-acetate copolymers, ketone and aldehyde resins
- Poor dissolution: Alkyds, epoxy resins, polyesters (requires co-solvents), polyolefins, polyamides
Applications in the GCC Market
Gravure and Flexographic Printing Inks
Ethyl acetate is the primary solvent in flexible packaging printing inks used across the UAE and Saudi Arabia's rapidly growing food and consumer goods packaging sector. Gravure inks for food packaging (metalized films, polyester, nylon) typically contain 40-60% ethyl acetate as the carrier solvent. The combination of fast evaporation, low odour retention in cured film, and regulatory acceptance in food-contact applications makes ethyl acetate the preferred ink solvent. See Raykem's paint and ink raw materials →
Nitrocellulose Lacquers and Wood Coatings
Nitrocellulose (NC) lacquers — used in wood furniture finishing, which is a significant industry in UAE free zones — require ester solvents for NC dissolution. Ethyl acetate is one of the primary active solvents, typically blended with co-solvents (alcohols for latent solvency control) and diluents (toluene, xylene in solvent-based systems). NC lacquer formulations typically contain 20-35% ethyl acetate.
Contact and Solvent-Based Adhesives
Solvent-based contact adhesives for shoe manufacturing, furniture, and construction joinery — all significant industries in UAE free zones and Saudi factories — use ethyl acetate as a primary solvent for polychloroprene and polyurethane adhesive systems. Typical application is by brush or spray, and ethyl acetate's moderate evaporation rate allows adequate open time before bonding.
Pharmaceutical and Cosmetic Manufacturing
Ethyl acetate is a permitted pharmaceutical solvent (Class 3, ICH Q3C guidelines) and food-grade extractant (approved by FDA and EU food contact regulations). In the GCC's growing pharmaceutical and personal care manufacturing sector, ethyl acetate is used in tablet coating, API extraction, and as a cosmetic solvent.
Ethyl Acetate Grades and Purity
Industrial-grade ethyl acetate for coatings and inks: ≥99.5% purity, water ≤0.05%, acidity ≤0.005%, colour APHA ≤5. Pharmaceutical grade (Ph. Eur., USP): requires additional identity and impurity testing. Food grade: requires compliance with relevant national and international food contact regulations. Raykem supplies industrial-grade ethyl acetate from verified manufacturers, with COA and SDS provided with every shipment.
Safety and Storage in the GCC Context
Ethyl acetate's flash point of −4°C places it in the highest-hazard category for flammable liquid storage. In the UAE, Dubai Civil Defence regulations require dedicated flammable liquid storage cabinets or rooms for quantities above threshold volumes. In Saudi Arabia, SASO and NFPA standards apply. Key storage requirements: ventilation, earthing and bonding of containers during transfer, prohibition of ignition sources, and emergency spill containment. Full SDS documentation (GHS-compliant, EN) is available for all Raykem ethyl acetate shipments.
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