*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YR1450000
CHEMICAL NAME           : Uracil, 1-beta-D-ribofuranosyl-
CAS REGISTRY NUMBER     : 58-96-8
LAST UPDATED            : 199701
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C9-H12-N2-O6
MOLECULAR WEIGHT        : 244.23
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
                          Natural Product
SYNONYMS/TRADE NAMES :
   * 1-beta-D-Ribofuranosyluracil
   * Uracil riboside
   * Uridin
   * Uridine
   * beta-Uridine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4335 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - changes in motor activity (specific assay)
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 207,504,1978
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 740 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 301,45,1993
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Mammal - species unspecified Lymphocyte
DOSE/DURATION           : 100 mmol/L
REFERENCE :
   PNASA6 Proceedings of the National Academy of Sciences of the United States
   of America.  (National Academy of Sciences, Printing & Pub. Office, 2101
   Constitution Ave., Washington, DC 20418) V.1-    1915-
   Volume(issue)/page/year: 48,686,1962

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X1002
       No. of Facilities: 35 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 115 (estimated)
       No. of Female Employees: 64 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***