*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : JL6735000
CHEMICAL NAME           : Diphosphoric acid, tetrapotassium salt
CAS REGISTRY NUMBER     : 7320-34-5
LAST UPDATED            : 199710
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : O7-P2.4K
MOLECULAR WEIGHT        : 330.34
SYNONYMS/TRADE NAMES :
   * Potassium pyrophosphate
   * Tetrapotassium diphosphorate
   * TKPP
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4640 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - other changes
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0571153
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >4640 mg/kg
TOXIC EFFECTS :
   Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0571153
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 273 gm/kg/13W-C
TOXIC EFFECTS :
   Gastrointestinal - changes in structure or function of salivary glands
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ESKHA5 Eisei Shikenjo Hokoku.  Bulletin of the Institute of Hygienic
   Sciences.  (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu,
   Setagaya-ku, Tokyo 158, Japan)  V.1-    1886-  Volume(issue)/page/year:
   (106),66,1988

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 80602
       No. of Facilities: 25781 (estimated)
       No. of Industries: 151
       No. of Occupations: 89
       No. of Employees: 164878 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 80602
       No. of Facilities: 19789 (estimated)
       No. of Industries: 168
       No. of Occupations: 127
       No. of Employees: 572734 (estimated)
       No. of Female Employees: 227874 (estimated)

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

 
                            *** END OF RECORD ***