*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KD8750000 CHEMICAL NAME : Erbium citrate CAS REGISTRY NUMBER : 3088-54-8 LAST UPDATED : 198609 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C6-H8-O7.Er MOLECULAR WEIGHT : 359.40 SYNONYMS/TRADE NAMES : * 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, erbium(3+) salt (1:1) *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 122 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - pleural effusion Liver - hepatitis (hepatocellular necrosis), diffuse REFERENCE : AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 5,437,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 63 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - pleural effusion Liver - hepatitis (hepatocellular necrosis), diffuse REFERENCE : AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 5,437,1962 *** END OF RECORD ***