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EC number: 223-267-7
CAS number: 3794-83-0
Dissociation constant: 2.18 at 20 °C
experimental test shows a dissociation constant in water of 2.18 at
constant values of 1.7, 2.47 , 7.28, 11.41 are reported at 25 °C in a
handbook which has been subject to peer-review and in which the original
data sources are traceable. The result (Martell 1968) is considered to
be reliable and selected for key study.
constant values of 1.35, 2.87, 7.03, 11.3 are reported in other
secondary literature (Lacour 1999). They are considered as supporting
In general, commercial formulations
vary in concentration between suppliers and formulation types. The pH
value of solutions at around 1% in water are shown in the table below.
Product at typically 1%
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