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Technical Data Sheet
Eastman EastaPure™ MAK

  • Electronic chemical cleaners
  • Electronic chemicals
  • Photographic imaging film
  • Photoresist solvents
  • Photoresist strippers
  • Process solvents
Key Attributes
  • Excellent resin solubility
  • High Purity/Low Trace Metals
  • High assay
  • Inert - Food use with limitations
  • Inert - Nonfood use

Product Description

Eastman EastaPure™ MAK (Methyl n-Amyl Ketone) is a high-purity low-trace metal solvent for positive and negative photoresist formulations. It is tested to measure selected critical trace metals in parts-per-billion levels and has a minimum assay of 99.0%. EastaPure MAK can also be used in edge bead removal process after spin coating.

The chemical substances for this product are listed as Inert Ingredients Permitted for Use in Nonfood Use Pesticide Products, and in Food Use Pesticide Products with limitations, under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). For details on specific permissions, click here.

Typical Properties

PropertyTypical Value, Units
     as Acetic Acid0.01 wt % max.
Assay99.0 % min
Alcohol Content0.2 wt % max.
Autoignition Temperature393 °C (740 °F)
     BP95 °C (203 °F)
     Wt % Water48 wt %
Blush Resistance 
     @ 80°F (26.7°C)93 % RH
Boiling Point 
     @ 760 mm Hg147-153 °C (297-307 °F)
     Pt-Co5 max.
Critical Pressure 28.8 ATM
Critical Temperature338.3 °C
Critical Volume421 ml/g·mol
Dilution Ratio 
     VMP Naphtha1.2
Electrical Resistance0.4 Megohms
Empirical FormulaC7H14O
Evaporation Rate 
     (ether = 1)30.2
     (n-butyl acetate = 1)0.4
Expansion Coefficient, per °C 
     @ 20°C0.00104
Flammability Limits in Air, % by Volume 
     Lower @ 66°C1.11 Vol %
     Upper @ 121°C7.9 Vol %
Flash Point 
     Tag Closed Cup39 °C (102.2 °F)
Freezing Point-33 °C (-27 °F)
Hansen Solubility Parameters 
     Hydrogen Bonding4.1
Heat of Combustion-979.8 kcal/g·mol
Heat of Vaporization9229 cal/g·mol
Liquid Heat Capacity 
     @ 54°C59.69 cal/(g*mol)(°C)
Liquid Viscosity 
     @ 20°C0.8 cP (mPa·s)
Maximum Incremental Reactivity (MIR)2.8
Molecular Weight114.19
Nitrocellulose SolubilityActive
Refractive Index 
     @ 20°C1.406-1.409
     in Water, @ 20°C0.5 %
     Water in, @ 20°C1.3 %
Specific Gravity 
     @ 20°C/20°C0.815-0.818
Surface Tension 
     @ 20°C26.1 dynes/cm
TLV PPM 199850
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)3.9
Vapor Pressure 
     @ 20°C2.14 mm Hg
     @ 55°C2.8 kPa
Viscosity, Neat 
     @ 20°C0.77 cP
Water0.05 wt % max.
     @ 20°C0.82 kg/L (6.8 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.

10/12/2020 5:27:54 PM