*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TN8991000 CHEMICAL NAME : Piperidinooxy, 4-hydroxy-2,2,6,6-tetramethyl- CAS REGISTRY NUMBER : 2226-96-2 OTHER CAS REGISTRY NOS. : 105269-77-0 LAST UPDATED : 199710 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C9-H18-N-O2 MOLECULAR WEIGHT : 172.28 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * 4-Hydroxy-2,2,6,6-tetramethylpiperidin-1-oxyl * 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy * Nitroxyl 2 * NR 1 * 4-Oxypiperidol * 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl- * Tanol * Tempol * Tetramethylpiperidinol N-oxyl * TMPN *** 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 : 1053 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536225 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 24 umol/plate REFERENCE : ABBIA4 Archives of Biochemistry and Biophysics. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.31- 1951- Volume(issue)/page/year: 251,393,1986 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA Section 8(e) Risk Notification, 8EHQ-0493-8881 EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***