CAS 108-05-4: Vinyl Acetate (C4H6O2)

Identity

CAS Number108-05-4
Molecular FormulaC4H6O2
IUPAC Nameethenyl acetate
Molecular Weight86.09 g/mol
SMILESC=CC(=O)OC
SynonymsVAM, acetic acid vinyl ester, ethenyl ethanoate

2D Structure

Physical Properties

Density0.934 g/mL at 25°C
Boiling Point72.7°C
Melting Point-100.0°C
Flash Point-8.0°C
Vapor Pressure12.0 kPa at 20°C
Refractive IndexnD = 1.392
Dielectric Constantε = 6.0

Safety & GHS Classification

FlammableIrritant

Storage: Store with inhibitor (hydroquinone, 3-5 ppm). Polymerizes spontaneously — keep below 25°C. Extremely flammable. Suspected carcinogen. Use in well-ventilated area away from ignition sources.

Material Compatibility Matrix

Plastics

MaterialRating
PTFEExcellent
PVCPoor
PEGood
PPGood
PEEKExcellent
PVDFGood

Rubbers

MaterialRating
VitonPoor
NBRSevere Effect
EPDMPoor
SiliconePoor
FKMPoor

Metals

MaterialRating
Stainless 316Excellent
AluminumGood
CopperGood
BrassGood

Applications

External References: PubChem

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