Appearance:
Red oil
Molecular Weight:
324.85
Density:
1.205g/cm3
Boiling Point:
474.3°C at 760 mmHg
Melting Point:
106-109 °C
Flash Point:
240.7°C
Refractive index:
1.622
Usage:
An intermediate in the synthesis of Loratadin
Loratadine Intermediate L9/LH9 is a key synthetic precursor for the antihistamine Loratadine. Its IUPAC name is 8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-5H-benzo[5]benzocycloheptene. The molecular formula is C20H21ClN2, with CAS No. 63733-13-3. Production typically involves condensation reactions in organic solvents under controlled temperature.
Store in cool, dry conditions away from light and moisture. Personnel must wear protective gear to avoid skin contact or inhalation of dust. This substance is strictly for industrial use and not for direct clinical administration.