*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GE6650000 CHEMICAL NAME : Citraconic acid CAS REGISTRY NUMBER : 498-23-7 BEILSTEIN REFERENCE NO. : 1722679 REFERENCE : 4-02-00-02230 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C5-H6-O4 MOLECULAR WEIGHT : 130.11 WISWESSER LINE NOTATION : QVY1&U1VQ SYNONYMS/TRADE NAMES : * 2-Butenedioic acid, 2-methyl-, (Z)- * Kyselina citrakonova * Maleic acid, methyl- * cis-Methylbutenedioic acid * 2-Methyl-2-butenedioic acid * (Z)-2-Methyl-2-butenedioic acid * Methylmaleic acid *** 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 : 1320 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - tremor Gastrointestinal - ulceration or bleeding from stomach REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2260 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - other changes REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 1350 mg/kg TOXIC EFFECTS : Gastrointestinal - gastritis REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964 *** END OF RECORD ***