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EC number: 243-053-7
CAS number: 19430-93-4
PFBE (3,3,4,4,5,5,6,6,6-nonafluorohexene) is a clear colourless liquid
with an ether-like odour at normal temperature and pressure. The
relative density is 1.4kg/l and Boiling Point 58°C. It is highly
volatile (vapour pressure 22 kPa at 20°C) and of low water solubility
(15.6 mg/l at 20°C). Consequently in aqueous media PFBE partitions
rapidly to air.
PFBE has a flash point of -17 ± 2°C and is therefore classified
according to EU Directive 67/548/EEC as Highly Flammable (R11) and as a
Category 2 Flammable Liquid (H225) according to the EU Classification,
Labelling and Packaging of Substances and Mixtures (CLP) Regulation (EC)
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