*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : SE0350000
CHEMICAL NAME           : Peroxydisulfuric acid, diammonium salt
CAS REGISTRY NUMBER     : 7727-54-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : O8-S2.2H4-N
MOLECULAR WEIGHT        : 228.22
WISWESSER LINE NOTATION :   H2 S2-O8 &QH 2
SYNONYMS/TRADE NAMES :
   * Ammonium peroxydisulfate
   * Diammonium peroxydisulfate
   * Diammonium peroxydisulphate
   * Diammonium persulfate
   * Persulfate d'ammonium
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 689 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85INA8 "Documentation of the Threshold Limit Values and Biological Exposure
   Indices," 5th ed., Cincinnati, OH, American Conference of Governmental
   Industrial Hygienists, Inc., 1986  Volume(issue)/page/year: 5,468,1986
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3800 ug/m3/23H/7D-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - changes in lung weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   63,257,1982

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.1 mg/m3
   85INA8 "Documentation of the Threshold Limit Values and Biological Exposure
   Indices," 5th ed., Cincinnati, OH, American Conference of Governmental
   Industrial Hygienists, Inc., 1986  Volume(issue)/page/year: 6,1/BEI,1997

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-DENMARK:TWA 2 mg/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 1 mg/m3 JAN 1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 06175
       No. of Facilities: 3573 (estimated)
       No. of Industries: 43
       No. of Occupations: 44
       No. of Employees: 55378 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 06175
       No. of Facilities: 14638 (estimated)
       No. of Industries: 145
       No. of Occupations: 100
       No. of Employees: 249578 (estimated)
       No. of Female Employees: 81412 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***