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LyondellBasell NMP N-methyl-2-pyrrolidone
Categories: Fluid; Solvent

Material Notes: Available in electronic grade.

Information provided by Lyondell.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.027 g/cc
@Temperature 20.0 °C
1.027 g/cc
@Temperature 68.0 °F
20/20°C
Density 1.03 g/cc
@Temperature 20.0 °C
0.0372 lb/in³
@Temperature 68.0 °F
Solubility in Water 100 %100 %20°C
Viscosity 1.7 cP
@Temperature 25.0 °C
1.7 cP
@Temperature 77.0 °F
Molecular Weight 99.1 g/mol99.1 g/mol
Vapor Pressure 0.000387 bar
@Temperature 20.0 °C
0.290 torr
@Temperature 68.0 °F
Evaporation Loss 0.030 %0.030 %n-BuAc=100%
Surface Tension 40 dynes/cm40 dynes/cm25°C
 
Thermal PropertiesMetricEnglishComments
Boiling Point 202 °C396 °Fat 760 mmHg
Flash Point 90.0 °C194 °FSeta
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.468
@Temperature 25.0 °C
1.468
@Temperature 77.0 °F
 
Descriptive Properties
CAS Number872-50-4

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