Evonik Butadiene-1,2 Combustible gas

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Evonik Butadiene-1,2 Combustible gas
Categories:	Fluid
Material Notes:	Properties: Butadine-1, 2 is a colorless, combustible gas with a characteristic odor. It is easily condensable under pressure. Butadiene-1,2 is soluble in hydrocarbons, alcohols and ethers, but virtually insoluble in water. On request the product can be stabilized with TBC. The storage temperature should not exceed 50°C and they exclusion of oxygen is recommended. Butadiene-1,2 is classified as highly flammable and dangerous for the environment. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	1.95 g/cc
	0.625 g/cc @Temperature 20.0 °C
	0.626 g/cc @Temperature 40.0 °C
	0.639 g/cc @Temperature 30.0 °C
	0.664 g/cc @Temperature 10.0 °C
	0.675 g/cc @Temperature 0.000 °C
	0.687 g/cc @Temperature -10.0 °C
Molecular Weight	54.09 g/mol
Vapor Pressure	0.432 bar @Temperature -10.0 °C
	0.662 bar @Temperature 0.000 °C
	0.981 bar @Temperature 10.0 °C
	1.411 bar @Temperature 20.0 °C
	1.976 bar @Temperature 30.0 °C
	2.701 bar @Temperature 40.0 °C
	3.613 bar @Temperature 50.0 °C
	4.739 bar @Temperature 60.0 °C
	7.743 bar @Temperature 80.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	43.6 bar
Critical Temperature	178.9 °C

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.471 J/g-°C	gaseous at 25°C
	2.247 J/g-°C	liquid at boiling point
Boiling Point	10.9 °C @Pressure 0.1013 MPa

Descriptive Properties
Content	<0.1%	Butadine-1,3
	<0.3%	C5-Hydrocarbons
	<100 mg/kg	Propadiene
	<2.5%	cis-Butene-2
	<300 mg/kg	Alkynes (total)
	>97%	Butadine-1,2
Heat of Evaporation	0°C
	20°C
	40°C
	60°C
	80°C

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PEVONIL942 / 197146

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