*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YP2833760
CHEMICAL NAME           : L-Tyrosine,
                          O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, sodium
                          salt, pentahydrate
CAS REGISTRY NUMBER     : 6106-07-6
LAST UPDATED            : 199504
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C15-H10-I4-N-O4.Na.5H2-O
MOLECULAR WEIGHT        : 888.95
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Alanine, 3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-,  
   monosodium salt, pentahydrate,
   * O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine sodium salt  
   pentahydrate
   * Sodium L-thyroxine pentahydrate
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1 mg/kg
SEX/DURATION            : female 1-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Maternal Effects - other effects
   Reproductive - Effects on Embryo or Fetus - other effects to embryo
REFERENCE :
   JOENAK Journal of Endocrinology.  (Biochemical Soc. Book Depot, POB 32,
   Commerce Way, Colchester, Essex CO2 8HP, UK)  V.1-    1939-
   Volume(issue)/page/year: 139,275,1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2466
       No. of Facilities: 19 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 399 (estimated)
       No. of Female Employees: 308 (estimated)

 
                            *** END OF RECORD ***