Eastman EastaPure™ DB Solvent

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Eastman EastaPure™ DB Solvent
Categories:	Fluid; Solvent
Material Notes:	CAS No. 112-34-5 Product Description: Eastman EastaPure™ DB Solvent (Diethylene Glycol Monobutyl Ether) is a high boiling, slow evaporating glycol ether providing low trace metals content for sensitive electronic applications. High-purity specifications (low trace metals) are required for solvents in semiconductor chip manufacturing, and special handling and storage procedures are used to maintain the high-purity specifications. Eastman EastaPure™ DB Solvent is being presented for photoresist applications/formulations, specifically for photoresist removers/strippers. Application/Uses: Advanced resist Edge bead removal Flat Panel/LCD LED/OLED Microelectronics Negative tone resist Photolithography Photoresist stripper applications Positive tone resist Semiconductors Solvents Key Attributes: High boiling High Purity/Low Trace Metals High solvency Inert - Food use with limitations Inert - Nonfood use Slow evaporation rate Water-miscible Information provided by Eastman
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Physical Properties	Original Value	Comments

Density	0.955 g/cc
Viscosity	4.7 cP	Liquid
Molecular Weight	162.23 g/mol
Surface Tension	30 dynes/cm

Chemical Properties	Original Value	Comments
Critical Pressure	25.3 atm
Critical Temperature	380.8 °C

Thermal Properties	Original Value	Comments
CTE, linear	85.0 µm/m-°C
Melting Point	-76.0 °C	Freezing Point
Boiling Point	230 - 235 °C	@ 760 mm Hg
Flash Point	111 °C	Cleveland Open Cup

Optical Properties	Original Value	Comments
Refractive Index	1.4316

Descriptive Properties
Color	PT-Co
Fire Point	117°C
Upper Limits for Trace Metals	<25 ppm	Aluminum
	<25 ppm	Barium
	<25 ppm	Cadmium
	<25 ppm	Calcium
	<25 ppm	Chromium
	<25 ppm	Cobalt
	<25 ppm	Copper
	<25 ppm	Gallium
	<25 ppm	Germanium
	<25 ppm	Iron
	<25 ppm	Lead
	<25 ppm	Lithium
	<25 ppm	Magnesium
	<25 ppm	Manganese
	<25 ppm	Nickel
	<25 ppm	Potassium
	<25 ppm	Silver
	<25 ppm	Sodium
	<25 ppm	Strontium
	<25 ppm	Titanium
	<25 ppm	Zinc

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PEATM5141 / 222335

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