Phenindamine
Title: Phenindamine
CAS Registry Number: 82-88-2
CAS Name: 2,3,4,9-Tetrahydro-2-methyl-9-phenyl-1H-indeno[2,1-c]pyridine
Additional Names: 2-methyl-9-phenyl-2,3,4,9-tetrahydro-1-pyridindene; 1,2,3,4-tetrahydro-2-methyl-9-phenyl-2-azafluorene
Manufacturers' Codes: Nu-1504
Molecular Formula: C19H19N
Molecular Weight: 261.36
Percent Composition: C 87.31%, H 7.33%, N 5.36%
Literature References: Prepn: J. T. Plati, W. Wenner, US 2470108 (1949 to Hoffmann-La Roche). Pharmacology: G. Lehmann, J. Pharmacol. Exp. Ther. 92, 249 (1948); W. Schallek, ibid. 105, 291 (1952).
Properties: Crystals from ether, mp 90-91°, d 1.17.
Melting point: mp 90-91°
Density: d 1.17
 
Derivative Type: Hydrogen tartrate
CAS Registry Number: 569-59-5
Trademarks: Pernovin (Chinoin); Thephorin (Sinclair)
Molecular Formula: C19H19N.C4H6O6
Molecular Weight: 411.45
Percent Composition: C 67.14%, H 6.12%, N 3.40%, O 23.33%
Properties: Crystals, mp 160°. Soly: about 2.5% in water; sparingly sol in propylene glycol. Insol in 95% ethanol, glycerol, ether. LD50 in mice (mg/kg): 27 i.v., 170 i.p., 265 orally (Schallek).
Melting point: mp 160°
Toxicity data: LD50 in mice (mg/kg): 27 i.v., 170 i.p., 265 orally (Schallek)
 
Derivative Type: Hydrochloride
CAS Registry Number: 5503-08-2
Molecular Formula: C19H19N.HCl
Molecular Weight: 297.82
Percent Composition: C 76.62%, H 6.77%, N 4.70%, Cl 11.90%
Properties: Crystals, sol in water. LD50 in mice (mg/kg): 88 ±11 i.p., 22.5 ±2.5 i.v., 255 ±21 orally, 270 ±60 s.c.; in rats (mg/kg): 280 ±50 orally; in guinea pigs (mg/kg): 140 ±42 i.p.; in rabbits (mg/kg): 15 ±2.4 i.v., 500 orally; in dogs (mg/kg): 33 i.v. (Lehmann).
Toxicity data: LD50 in mice (mg/kg): 88 ±11 i.p., 22.5 ±2.5 i.v., 255 ±21 orally, 270 ±60 s.c.; in rats (mg/kg): 280 ±50 orally; in guinea pigs (mg/kg): 140 ±42 i.p.; in rabbits (mg/kg): 15 ±2.4 i.v., 500 orally; in dogs (mg/kg): 33 i.v. (Lehmann)
 
NOTE: Thephorin was formerly used to designate theobromine sodium formate.
Therap-Cat: Tartrate as antihistaminic.
Keywords: Antihistaminic.

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