*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UX7350000
CHEMICAL NAME           : Pyrophosphoric acid, tetrasodium salt
CAS REGISTRY NUMBER     : 7722-88-5
LAST UPDATED            : 199712
DATA ITEMS CITED        : 24
MOLECULAR FORMULA       : O7-P2.4Na
MOLECULAR WEIGHT        : 265.90
WISWESSER LINE NOTATION :  NA4 P2-O7
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Anhydrous tetrasodium pyrophosphate
   * Natrium pyrophosphat
   * Phosphotex
   * Pyrophosphate
   * Tetranatriumpyrophosphat
   * Tetrasodium diphosphate
   * Tetrasodium pyrophosphate
   * Tetrasodium pyrophosphate, anhydrous
   * TSPP
   * Victor TSPP
 
                       *** 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           : 4 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,172,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 59 mg/kg
TOXIC EFFECTS :
   Behavioral - excitement
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 108,117,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,172,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2980 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,445,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,445,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 69 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,445,1957
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 1,47,1990

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 5 mg/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   TOXICOLOGY REVIEW
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 7,24,1957

                    *** 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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 5 mg/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg/m3 JAN 1993
   
   OEL-DENMARK:TWA 5 mg/m3 JAN 1993
   
   OEL-FINLAND:TWA 5 mg/m3 JAN 1993
   
   OEL-FRANCE:TWA 5 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 5 mg/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO TETRASODIUM PYROPHOSPHATE-air:10H TWA 5 mg/m3
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 80224
       No. of Facilities: 22297 (estimated)
       No. of Industries: 179
       No. of Occupations: 108
       No. of Employees: 177064 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 80224
       No. of Facilities: 31059 (estimated)
       No. of Industries: 223
       No. of Occupations: 144
       No. of Employees: 566370 (estimated)
       No. of Female Employees: 244801 (estimated)

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

 
                            *** END OF RECORD ***