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Technical Data Sheet
Eastman EastaPure™ PM Acetate

  • Electronic chemicals
  • LCD displays
  • Process solvents
Key Attributes
  • Excellent resin solubility
  • High Purity/Low Trace Metals
  • High assay
  • Viscosity control

Product Description
Eastman EastaPure™ PM acetate (propylene glycol monomethyl ether acetate) is a slow evaporating solvent with both ether and ester functional groups. It is a colorless liquid with a mild odor. Eastman EastaPure™ PM acetate solvent is being offered for photoresist formulations. PM acetate can also be used in edge bead removal after spin coating processes.

Typical Properties

PropertyTypical Value, Units
     as Acetic Acid0.02 wt % max.
Alcohol Content0.1 wt % max.
Assay99.5 % min
Autoignition Temperature354 °C (670 °F)
Blush Resistance 
     @ 80°F (26.7°C)92 % RH
Boiling Point 
     @ 760 mm Hg140-150 °C (284-302 °F)
     Pt-Co10 max.
Critical Pressure 29.7 ATM
Critical Temperature324.7 °C
Critical Volume421 ml/g·mol
Dilution Ratio 
     VMP Naphtha0.8
Electrical Resistance5 Megohms
Empirical FormulaC6H12O3
Evaporation Rate 
     (ether = 1)30.2
     (n-butyl acetate = 1)0.4
Expansion Coefficient, per °C 
     @ 20°C0.0054
Flammability Limits in Air, % by Volume 
     Lower @ 78°C1.3 Vol %
     Upper @ 139°C13.1 Vol %
Flash Point 
     Setaflash Closed Cup46 °C (114 °F)
Freezing Point-67 °C (<-89 °F)
Hansen Solubility Parameters 
     Hydrogen Bonding4.8
Heat of Combustion-752.6 kcal/g·mol
Heat of Vaporization9414 cal/g·mol
Liquid Heat Capacity 
     @ 54°C56.42 cal/(g*mol)(°C)
Liquid Viscosity 
     @ 25°C1.1 cP (mPa·s)
Molecular Weight132.2
Nitrocellulose SolubilityActive
Refractive Index 
     @ 20°C1.4
Specific Gravity 
     @ 20°C/20°C0.968-0.971
     in Water, @ 20°C20 %
     Water in, @ 20°C5.9 %
Surface Tension 
     @ 20°C26.4 dynes/cm
Upper Limits for Trace Metals 
     Aluminium (Al)10 ppb
     Barium (Ba)10 ppb
     Cadmium (Cd)10 ppb
     Calcium (Ca)10 ppb
     Chromium (Cr)10 ppb
     Cobalt (Co)10 ppb
     Copper (Cu)10 ppb
     Gallium (Ga)10 ppb
     Germanium (Ge)10 ppb
     Iron (Fe)10 ppb
     Lead (Pb)10 ppb
     Lithium (Li)10 ppb
     Magnesium (Mg)10 ppb
     Manganese (Mn)10 ppb
     Nickel (Ni)10 ppb
     Potassium (K)10 ppb
     Silver (Ag)10 ppb
     Sodium (Na)10 ppb
     Strontium (Sr)10 ppb
     Titanium (Ti)10 ppb
     Zinc (Zn)10 ppb
Vapor Density 
     (air = 1)4.6
Vapor Pressure 
     @ 20°C2.8 mm Hg
     @ 55°C3 kPa
Viscosity, Neat 
     @ 25°C1.07 cP
Water0.05 wt % max.
     @ 20°C0.96 kg/L (8.06 lb/gal)

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.