*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MS3450400 CHEMICAL NAME : Histone F2b CAS REGISTRY NUMBER : 9062-68-4 LAST UPDATED : 198510 DATA ITEMS CITED : 1 SYNONYMS/TRADE NAMES : * Histone F2B * Histone IIb2 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 60 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 149,374,1964 *** END OF RECORD ***