*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QK1225000 CHEMICAL NAME : 2-Naphthalenesulfonic acid CAS REGISTRY NUMBER : 120-18-3 BEILSTEIN REFERENCE NO. : 1955756 REFERENCE : 4-11-00-00527 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C10-H8-O3-S MOLECULAR WEIGHT : 208.24 WISWESSER LINE NOTATION : L66J CSWQ SYNONYMS/TRADE NAMES : * Kyselina 2-naftalensulfonova * beta-Naphthalenesulfonic acid * Naphthalene-2-sulfonic acid * beta-Naphthylsulfonic 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 : 4440 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(10),101,1974 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***