*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : UE3865050
CHEMICAL NAME : Propionamide,
2-(dimethylamino)-N-(1,3-diphenylpyrazol-5-yl)-,
hydrochloride
CAS REGISTRY NUMBER : 20170-21-2
LAST UPDATED : 199706
DATA ITEMS CITED : 7
MOLECULAR FORMULA : C20-H22-N4-O.xCl-H
MOLECULAR WEIGHT : 589.68
COMPOUND DESCRIPTOR : Drug
SYNONYMS/TRADE NAMES :
* Difenamizole hydrochloride
* 1,3-Diphenyl-5-(2-dimethylaminopropionamide)pyrazole hydrochloride
* Propanamide, 2-(dimethylamino)-N-(1,3-diphenyl-1H-pyrazol-5-yl)-,
hydrochloride
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 680 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - antipsychotic
Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
GDIKAN Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of
Medicine. (Gifu Daigaku Igakubu, 40 Tsukasa-machi, Gifu 500, Japan) V.15-
1967- Volume(issue)/page/year: 20,360,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 396 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - antipsychotic
Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
GDIKAN Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of
Medicine. (Gifu Daigaku Igakubu, 40 Tsukasa-machi, Gifu 500, Japan) V.15-
1967- Volume(issue)/page/year: 20,360,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 560 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Behavioral - tremor
Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
GDIKAN Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of
Medicine. (Gifu Daigaku Igakubu, 40 Tsukasa-machi, Gifu 500, Japan) V.15-
1967- Volume(issue)/page/year: 20,360,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 186 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Behavioral - tremor
Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
GDIKAN Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of
Medicine. (Gifu Daigaku Igakubu, 40 Tsukasa-machi, Gifu 500, Japan) V.15-
1967- Volume(issue)/page/year: 20,360,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 525 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Behavioral - tremor
Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
GDIKAN Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of
Medicine. (Gifu Daigaku Igakubu, 40 Tsukasa-machi, Gifu 500, Japan) V.15-
1967- Volume(issue)/page/year: 20,360,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 92700 ug/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Behavioral - tremor
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon
Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho,
Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year:
65,529,1969
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon
Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho,
Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year:
69,679,1973
*** END OF RECORD ***