Vinyl acetate

CAS Number
108-05-4
EC Number
203-545-4
Chemical Formula
C4H6O2
Molecular Weight
86.09 g/mol
Abbreviation
VAM

Description

Vinyl acetate (CAS 108-05-4), commercially known as VAM or vinyl acetate monomer, is a reactive liquid monomer used as the primary building block for a range of polymer systems. It undergoes polymerization to produce polyvinyl acetate (PVAc) and serves as a co-monomer in ethylene-vinyl acetate (EVA) and polyvinyl alcohol (PVOH) production processes.

In adhesives and packaging, VAM polymerizes into PVAc emulsions used in wood glues, paper laminates, and flexible packaging coatings for various industrial applications. Textile and nonwoven manufacturers use EVA copolymers derived from VAM for binder systems and fabric finishing treatments to enhance material durability and performance.

In the plastics sector, VAM co-polymerizes with ethylene to produce EVA resins used in foam compounds, hot-melt adhesives, and flexible film extrusion for global markets. At flavor-grade purity, vinyl acetate also functions as a synthetic flavoring intermediate in food and fragrance applications, meeting specific industry requirements for safety.

Vinyl acetate is supplied as a stabilized liquid monomer, typically inhibited with hydroquinone to prevent premature polymerization during storage and transport phases. It is available in technical and monomer grades, with high-purity specifications meeting requirements for polymer-grade and flavor applications in bulk tankers or drums.

Other Names (Synonyms)

vinyl ethanoate|vinyl acetate monomer|Ethenyl ethanoate|Ethenyl acetate|Acetic acid vinyl ester|acetic acid ethenyl ester|1-acetoxyethylene|VAC|VAM

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point -93.2 °C
Boiling Point 72.7 °C
Density 0.932 g/cm³ @ Temp: 20 °C
Flash Point 20 °F
Appearance Vinyl acetate is a colorless, flammable liquid. The odor threshold is 0.12 ppm 0.3 ppm (NY, NJ).
Color Clear colorless to almost colorless
Odor char. odor
Form Liquid
Water Solubility 23 g/L (20 ºC)
Vapor Pressure 88 mm Hg ( 20 °C)
Refractive Index n 20/D 1.395(lit.)
pH 7 (20g/l, H2O, 20℃)
Log P 0.73 at 20℃

Documentation

Safety & Handling Learn More

Danger
GHS02· Flammable GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H225 Highly Flammable liquid and vapor
H303 May be harmful if swallowed
H313 May be harmful in contact with skin
H315 Causes skin irritation

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.

Trade & Regulatory

HS Code 29153200
UN Number 1301
ADR Class 3
Packing Group II
Storage Class 3 - Flammable liquids
WGK (Germany) 2
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