*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XF8886000 CHEMICAL NAME : Tetrodotoxin, O(sup 5)-ethyl- CAS REGISTRY NUMBER : 7724-40-5 BEILSTEIN REFERENCE NO. : 4158024 LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C13-H21-N3-O8 MOLECULAR WEIGHT : 347.37 SYNONYMS/TRADE NAMES : * Ethoxytetrodotoxin * 4-Ethoxytetrodotoxin *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25700 ug/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - respiratory depression REFERENCE : JJPAAZ Japanese Journal of Pharmacology. (Japanese Pharmacological Soc., c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto 606, Japan) V.1- 1951- Volume(issue)/page/year: 17,267,1967 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 692 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 12,1357,1964 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 692 ug/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - dyspnea REFERENCE : JJPAAZ Japanese Journal of Pharmacology. (Japanese Pharmacological Soc., c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto 606, Japan) V.1- 1951- Volume(issue)/page/year: 17,267,1967 *** END OF RECORD ***