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1.3-Butadiene 2.5, liquefied under pressure

liquefied under pressure
Purity 99,5 vol.%
Descriptions 1.3-Butadiene 2.5

Impurities

Other hydrocarbons 5000 vol. ppm
Delivery formats In steel cylinders
Cylinders/container volumes 12 l 27 l
Content (kg) 5 11
Vapour Pressure (bar) 2 2

Unless otherwise stated, these refer to vapour pressure at 288,15K (15°C) and to content at 288,15K (15°C) and 1,013 bar.

Properties highly flammable , may cause cancer
Valve connection DIN 477 No. 1 | (W 21.80 x 1/14 LH)
Shoulder colour flame red (RAL 3000)

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 2,319 3,568
1 kg 0,431 1,000 1,538
1 l liquid at T boiling point; 1 bar 0,280 0,650 1,000

Other delivery formats

on request

Physical Data

Molar mass 54,09 g mol-1
Liquid State
Boiling Point 268,65 (-4,5) K (°C)
Heat of Evaporation 417,84 kJ kg-1
Liquid Density 650,4 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 2,50 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) 1,88
Specific heat (at 298.15 K and 1.013 bar) 1,47 kJ kg-1 K-1
Thermal Conductivity (at 288.15 K and 1.013 bar) 0,0169 J s-1 m-1 K-1
Critical Point
Temperature 425,15 (152,0) K (°C)
Pressure 43,22 bar
Density 245,0 kg m-3
Triple Point
Temperature 164,2 (-109,0) K (°C)
Vapour Pressure 0,0007 bar
Heat of Fusion 147,1 kJ kg-1
Additional operating figures
Ignition Point 688 (414,9) K (°C)
Ignition Range in Air 1,4-16,3 vol.%
Calorific Value to DIN 51850 117326 kJ kg-3

Typical applications

Suitable pressure regulators:

WEGA range: see brochure: "Good on Top: Pressure Regulators for Specialty Gases".
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