*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PA6408000
CHEMICAL NAME           : Methane, chlorofluoro-
CAS REGISTRY NUMBER     : 593-70-4
BEILSTEIN REFERENCE NO. : 1730796
REFERENCE               : 4-01-00-00032 (Beilstein Handbook Reference)
LAST UPDATED            : 199801
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C-H2-Cl-F
MOLECULAR WEIGHT        : 68.48
WISWESSER LINE NOTATION : G1F
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * CFC 31
   * Chlorofluoromethane
   * FC 31
   * Freon 31
   * G 31
   * Genetron 31
   * Khladon 31
   * Methylene chloride fluoride
   * Monochloromonofluoromethane
   * R 31
   * R 31 (Refrigerant)
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 12635 mg/m3
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - tremor
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   TOVEFN Toksikologicheskii Vestnik.  (18-20 Vadkovskii per.  Moscow, 101479,
   Russia) History Unknown  Volume(issue)/page/year: (2),34,1996
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 10000 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   48,A109,1979
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 10000 ppm/6H/2W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes
   Endocrine - other changes
   Blood - changes in spleen
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0571266
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 78 gm/kg/1Y-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   72,15,1984
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 5 pph
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 118,277,1983
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Kidney
DOSE/DURATION           : 100 umol/L
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   72,15,1984
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 10 pph
REFERENCE :
   EVSRBT Environmental Science Research.  (Plenum Pub. Corp., 233 Spring St.,
   New York, NY 10013) V.1-    1972-  Volume(issue)/page/year: 25,91,1982

                              *** REVIEWS ***
 
   IARC Cancer Review:Animal Limited Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 41,229,1986

   IARC Cancer Review:Human No Adequate Data
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 41,229,1986

   IARC Cancer Review:Group 3
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,56,1987

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-GERMANY;Carcinogen JAN 1993
   
   OEL-HUNGARY:TWA 100 mg/m3;STEL 200 mg/m3 JAN 1993
   
   OEL-SWITZERLAND;Carcinogen JAN 1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3008
       No. of Facilities: 262 (estimated)
       No. of Industries: 5
       No. of Occupations: 5
       No. of Employees: 2705 (estimated)
       No. of Female Employees: 159 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***