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Dipropylene Glycol Monomethyl Ether Acetate (DPMAc) is a slow-evaporating, high-boiling glycol ether ester produced by the acetylation of dipropylene glycol monomethyl ether (DPM).
It is widely used as a solvent, coalescent, and coupling agent in coatings, inks, cleaners, and electronics applications because of its excellent solubility and compatibility with polar and non-polar materials.

DPMAc is part of the propylene glycol ether family and is valued for its low odor, moderate evaporation rate, and high solvency for resins and polymers.

Chemical Identity

Property Value
Chemical Name Dipropylene Glycol Monomethyl Ether Acetate
Common Abbreviation DPMAc / DPM Acetate
Chemical Class Glycol ether acetate
Molecular Formula C₁₀H₂₀O₄
Molecular Weight ~204–208 g/mol (mixture of isomers)
CAS Number 88917-22-0

Physical & Chemical Properties

Appearance

  • Clear, colorless liquid

  • Mild, slightly pleasant glycol ether odor

Key Properties

  • Boiling Point: ~205–210 °C

  • Flash Point: ~75 °C (closed cup)

  • Melting Point: Not normally applicable (remains liquid at low temps)

  • Density: ~0.99 g/cm³ at 20°C

  • Vapor Pressure: Low (favorable for controlled evaporation)

  • Viscosity: Moderate, smooth flow behavior

  • Evaporation Rate: Slow

  • Solubility:

    • Miscible with many organic solvents

    • Partial solubility in water

  • Stability: Stable under normal storage; sensitive to strong oxidizers

Chemical Behavior

  • Ester functional group

  • Good coupling ability between hydrophobic and hydrophilic materials

  • Excellent solvency for:

    • Acrylic resins

    • Polyurethane resins

    • Nitrocellulose

    • Epoxy esters

    • Alkyd resins

    • UV-curable coatings

Applications & Uses

  • Industrial coatings (automotive, OEM, wood coatings)

  • High-performance paints & lacquers

  • Printing inks (flexo & gravure)

  • Electronics cleaning chemicals

  • Photoresists & microelectronics solvents

  • Adhesive and sealant formulations

  • Household & industrial cleaners

  • Degreasing and metal surface cleaning

  • Coalescing agent for waterborne systems

  • Solvent for high-solids coatings

  • Flow & leveling additive

Safety Notes

  • Classified as flammable

  • Avoid contact with strong oxidizing agents

  • Use with PPE, ventilation, and safe handling practices

  • Low acute toxicity but may cause irritation with prolonged exposure

 

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