Document DDXGpxEkVnevk0MkqQ52j0RxM
40) Hammett Acidity Function Literature value (Ho = -13.2)
JAN 0 9 2004
Contains No CBI -
L13 ANSWER 1 OF 1 HCA COPYRIGHT 2001 ACS
ACCESSION NUMBER:
86:195906 HCA
TITLE :
Perfluorosulfonic acids. 111. Hammett
acidity
functions of perfluoroalkanesulfonic acids and
their
mixtures with antimony(V) fluoride
AUTHOR ( S ) :
Grondin, Joseph; Sagnes, Rene; Commeyras,
August e
CORPORATE SOURCE:
Lab. Chim. Org., Univ. Sci. Tech. Languedoc,
SOURCE :
Montpellier, F r . Bull. SOC. Chim. Fr. (1976), (11-12, Pt. l),
1779-83
CODEN : BSCFAS
DOCUMENT TYPE :
Journal
LANGUAGE :
French
- AB Acidity functions (HO) for CnF2n+lS03H acids detd. by uv. spectrophotometry have values of -14.1, -14.0, -13.2, and -12.3 for n =
1,2,4and 6 resp. at 22". In C2F5S03H-SbF5 and C4F9S03H-SbF5
mixts., HO increased .apprx.2.5 units in the 0-1 and .apprx.2 in
the 1-11
mol$ S b F concn. range.
cc 68-2 (Phase Equilibriums, Chemical Equilibriums, and Solutions)
ST perfluoralkanesulfonic acid acidity function; sulfonic acid
perfluoroalkane acidity; antimony fluoride acidity sulfonic acid
IT Acidity funlztion
(of perfluoroalkane sulfonic acids, antimony fluoride on)
IT 375-73-5 1493-13-6
RL : PRP (Properties)
( a c i d i t y function of)
IT 7783-70-2
RL : PRP (Properties
(acidity function of perfluoroaklane sulfonic acids in presence
of) IT 354-88-1 375-73-5
RL: PRP (Properties) ( a c i d i t y function of, antimony pentafluoride effect on)