*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YN6129000
CHEMICAL NAME           : Tryptophan, D-
CAS REGISTRY NUMBER     : 153-94-6
LAST UPDATED            : 199803
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C11-H12-N2-O2
MOLECULAR WEIGHT        : 204.25
WISWESSER LINE NOTATION : T56 BMJ D1YZVQ -D
SYNONYMS/TRADE NAMES :
   * (+)-Tryptophan
   * D-Tryptophan
   * (R)-Tryptophan
   * D-Tryptophane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4289 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Lungs, Thorax, or Respiration - dyspnea
   Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
   ABBIA4 Archives of Biochemistry and Biophysics.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.31-    1951-  Volume(issue)/page/year:
   64,319,1956

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X5536
       No. of Facilities: 7 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 307 (estimated)
       No. of Female Employees: 251 (estimated)

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

 
                            *** END OF RECORD ***