*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PA1270000
CHEMICAL NAME           : Methanaminium, N,N,N-trimethyl-, salt with
                          4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-
                          sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid (3:1)
CAS REGISTRY NUMBER     : 131013-81-5
LAST UPDATED            : 199806
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C12-H36-N3.C16-H9-N4-O9-S2
SYNONYMS/TRADE NAMES :
   * Acid yellow 23, tetramethylammonium salt
   * Prism yellow
   * RCC NOTOX substance 9747
 
                       *** 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           : 81 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - ataxia
   Skin and Appendages - hair
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0535824

                          *** STATUS IN U.S. ***
 
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***