Basic information
CAS NO
34580-14-8
EINECS
252-100-0
Molecular Formula
C23H23NO5S
Molecular Weight
425.4974
English Name
ketotifen fumarate
Synonyms
Ketotifen fumarate [USAN:JAN], 4,9-Dihydro-4-(1-methyl-4-piperidylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one fumarate (1:1), Alaway, HC 20,511 fumarate, Ketotifen hydrogen fumarate, UNII-HBD503WORO, Zaditen, Zaditor, 10H-Benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-, (E)-2-butenedioate (1:1), 4,9-Dihydro-4-(1-methylpiperidin-4-ylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophene-10-one fumarate, 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 1-methyl-4-(10-oxo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)piperidinium, 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one (2E)-but-2-enedioate
Physical and Chemical Properties
Boiling point
488.9°C at 760 mmHg
Flash point
249.5°C
Vapour Pressure
1.05E-09mmHg at 25°C
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