*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ8560000 CHEMICAL NAME : Phosphonic acid, hexamethylenedi-, tetrabutyl ester CAS REGISTRY NUMBER : 63904-89-2 BEILSTEIN REFERENCE NO. : 1808476 REFERENCE : 4-04-00-03583 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C22-H48-O6-P2 MOLECULAR WEIGHT : 470.64 WISWESSER LINE NOTATION : 4OPO&O4&6PO&O4&O4 SYNONYMS/TRADE NAMES : * Tetrabutyl hexamethylenephosphonate *** 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 : 2250 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) REFERENCE : AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 11,487,1955 *** END OF RECORD ***