*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ZE0300000
CHEMICAL NAME           : Xanthylium,
                          9-(2-carboxyethyl)-3,6-bis(dimethylamino)-, chloride
CAS REGISTRY NUMBER     : 2509-06-0
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C20-H23-N2-O3.Cl
MOLECULAR WEIGHT        : 374.90
SYNONYMS/TRADE NAMES :
   * (9-(2-Carboxyethyl)-6-(dimethylamino)-3H-xanthenylidene)dimethylammonium  
   chloride
   * Methanaminium,  
   N-(9-(2-carboxyethyl)-6-(dimethylamino)-3H-xanthen-3-ylidene)-N-methyl-,  
   Cl
   * Rhodamine S Extra
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 355 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   44,225,1978
 
                            *** END OF RECORD ***