*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QA5076000
CHEMICAL NAME           : Molybdic acid, hexaammonium salt
CAS REGISTRY NUMBER     : 12027-67-7
OTHER CAS REGISTRY NOS. : 12501-45-0
LAST UPDATED            : 199707
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : Mo7-O24.6H4-N
MOLECULAR WEIGHT        : 1163.88
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Ammonium heptamolybdate
   * Ammonium molybdate(II) ((NH4)6Mo7O24)
   * Ammonium paramolybdate
   * Molybdate, hexaammonium
 
                       *** HEALTH HAZARD DATA ***
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 60 ug/m3/24H/17W-I
TOXIC EFFECTS :
   Blood - changes in erythrocyte (RBC) count
   Blood - changes in leukocyte (WBC) count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - dehydrogenases
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 58(1),11,1993
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 2 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 31,185,1975
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 50 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 31,185,1975

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 80790
       No. of Facilities: 1606 (estimated)
       No. of Industries: 31
       No. of Occupations: 27
       No. of Employees: 12930 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 80790
       No. of Facilities: 2676 (estimated)
       No. of Industries: 34
       No. of Occupations: 33
       No. of Employees: 30922 (estimated)
       No. of Female Employees: 15271 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***