Evonik Butene-1 Combustible gas

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Evonik Butene-1 Combustible gas
Categories:	Fluid
Material Notes:	CAS No: 106-98-9 Butene-1 is a colorless, combustible gas with a characteristic odor. It is easily condensable under pressure. Butene-1 is soluble in hydrocarbons, alcohols and ethers, but virtually insoluble in water (0.5 g/l at 20°C). Butene-1 is highly flammable. Application: comonomer for polyethylene (LLDPE, HDPE) comonomer for ethylene/propylene copolymers alkylation products Antioxidants, plasticizers, herbicides, corrosion inhibitors or additives to lubricating and hydraulic oils are accessible via the intermediate products sec.-butanol, butane oxide or amyl alcohol. Information provided by Evonik
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Physical Properties	Metric	English	Comments

Density	2.01 g/cc	0.0726 lb/in³
	0.5699 g/cc @Temperature 40.0 °C	0.02059 lb/in³ @Temperature 104 °F
	0.5825 g/cc @Temperature 30.0 °C	0.02104 lb/in³ @Temperature 86.0 °F
	0.5951 g/cc @Temperature 20.0 °C	0.02150 lb/in³ @Temperature 68.0 °F
	0.6077 g/cc @Temperature 10.0 °C	0.02195 lb/in³ @Temperature 50.0 °F
	0.6203 g/cc @Temperature 0.000 °C	0.02241 lb/in³ @Temperature 32.0 °F
	0.6329 g/cc @Temperature -10.0 °C	0.02286 lb/in³ @Temperature 14.0 °F
Molecular Weight	56.11 g/mol	56.11 g/mol
Vapor Pressure	0.873 bar @Temperature -10.0 °C	655 torr @Temperature 14.0 °F
	1.283 bar @Temperature 0.000 °C	962.3 torr @Temperature 32.0 °F
	1.834 bar @Temperature 10.0 °C	1376 torr @Temperature 50.0 °F
	2.545 bar @Temperature 20.0 °C	1909 torr @Temperature 68.0 °F
	3.45 bar @Temperature 30.0 °C	2590 torr @Temperature 86.0 °F
	4.575 bar @Temperature 40.0 °C	3432 torr @Temperature 104 °F
	5.94 bar @Temperature 50.0 °C	4460 torr @Temperature 122 °F
	7.60 bar @Temperature 60.0 °C	5700 torr @Temperature 140 °F
	11.85 bar @Temperature 80.0 °C	8888 torr @Temperature 176 °F

Chemical Properties	Metric	English	Comments
Critical Pressure	40.2 bar	30200 torr
Critical Temperature	146.4 °C	295.5 °F

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	1.51 J/g-°C	0.361 BTU/lb-°F	gaseous at 25°C
	2.30 J/g-°C	0.550 BTU/lb-°F	liquid at boiling point
Boiling Point	-6.30 °C @Pressure 0.1013 MPa	20.7 °F @Pressure 14.69 psi
	50.4 °C @Pressure 0.600 MPa	123 °F @Pressure 87.0 psi

Descriptive Properties
Content	<0.05%		Butene-2 (cis-+trans-isomers)
	<0.2%		Butane (n-and isobutane)
	<0.2%		Isobutene
	<0.5 ml/m³		Carbon monoxide
	<1 mg/kg		Alcohols
	<1 ml/m³		Carbon dioxide
	<10 mg/kg		Water
	<2 mg/kg		Carbonyls
	<30%		Butadiene-1,3
	<5 mg/kg		Acetylenes (calc. as 1-butyne)
	>1 mg/kg		Oxygen
	>1 mg/kg		Sulfur
	>1 mg/kg		Chlorine
	>99.6%		Butene-1

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