*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ED2800000
CHEMICAL NAME           : Borate(1-), tetrafluoro-, potassium
CAS REGISTRY NUMBER     : 14075-53-7
LAST UPDATED            : 199701
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : B-F4.K
MOLECULAR WEIGHT        : 125.91
WISWESSER LINE NOTATION :  KA  B-F4
SYNONYMS/TRADE NAMES :
   * Potassium borofluoride
   * Potassium fluoborate
   * Potassium fluoroborate
   * Avogadrite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 240 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 590 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 380 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   OSHA PEL (Gen Indu):8H TWA 2.5 mg(F)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 2.5 mg(F)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 2.5 mg(F)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):8H TWA 2.5 mg(F)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO FLUORIDES, INORGANIC-air:10H TWA 2.5 mg(F)/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 - 60420
       No. of Facilities: 1131 (estimated)
       No. of Industries: 38
       No. of Occupations: 30
       No. of Employees: 8409 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 60420
       No. of Facilities: 2914 (estimated)
       No. of Industries: 49
       No. of Occupations: 43
       No. of Employees: 56183 (estimated)
       No. of Female Employees: 10606 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***