Vapor pressure and viscosity of 1,1,1,5,5,5-hexafluoro-2,4-pentanedione

被引：4
作者：
George, MA [1 ]
Young, KM
Robertson, EA
Beck, SE
Voloshin, G
机构：
[1] Air Prod & Chem Inc, Allentown, PA 18195 USA
[2] Schumacher Co, Carlsbad, CA 92009 USA
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 1998年 / 43卷 / 01期
关键词：
D O I：
10.1021/je9700941
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The viscosity and vapor pressure of the reactive chelating ligand, 1,1,1,5,5,5-hexafluoro-2,4-pentanedione (H(+)hfac) have been determined. The viscosity of liquid H(+)hfac was determined to be (1.39 +/- 0.19) x 10(-3) Pa.s at 24 degrees C and (8.35 +/- 0.25) x 10(-4) Pa.s at 35 degrees C. The vapor pressure of H(+)hfac was found to range from 4 kPa at 0 degrees C to 49.5 kPa at 57 degrees C. The viscosity was measured using a capillary tube viscometer, and the vapor pressure was measured using a mass transfer gas saturation apparatus. These methods were employed because conventional methodologies would have produced unreliable data due to the formation of the tetrol hydrate of H(+)hfac inside the apparatus and potentially exposed laboratory personnel to hazardous working conditions.
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页码：60 / 64
页数：5
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