*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : SE0400000
CHEMICAL NAME           : Peroxydisulfuric acid, dipotassium salt
CAS REGISTRY NUMBER     : 7727-21-1
LAST UPDATED            : 199712
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : H2-O8-S2.2K
MOLECULAR WEIGHT        : 272.34
WISWESSER LINE NOTATION : .KA2.S-O4*2
SYNONYMS/TRADE NAMES :
   * Anthion
   * Dipotassium persulfate
   * Potassium peroxydisulfate
   * Potassium peroxydisulphate
 
                       *** 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           : 802 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

                              *** 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 - 81953
       No. of Facilities: 1648 (estimated)
       No. of Industries: 12
       No. of Occupations: 19
       No. of Employees: 26001 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 81953
       No. of Facilities: 2979 (estimated)
       No. of Industries: 24
       No. of Occupations: 24
       No. of Employees: 51102 (estimated)
       No. of Female Employees: 23438 (estimated)

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

 
                            *** END OF RECORD ***