*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KI0997000
CHEMICAL NAME           : Ethane, 1,1-dichloro-1-fluoro-
CAS REGISTRY NUMBER     : 1717-00-6
BEILSTEIN REFERENCE NO. : 1731585
REFERENCE               : 4-01-00-00134 (Beilstein Handbook Reference)
LAST UPDATED            : 199806
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C2-H3-Cl2-F
MOLECULAR WEIGHT        : 116.95
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * CFC 141b
   * 1,1-Dichloro-1-fluoroethane
   * HCFC 141b
   * Isotron 141b
   * R 141b
   * Refrigerant 141b
   * Solkane 141b
 
                       *** 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           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,483,1995
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 56700 ppm/6H
TOXIC EFFECTS :
   Behavioral - tremor
   Behavioral - ataxia
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,483,1995
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Liver - other changes
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,483,1995
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 151 gm/m3/2H
TOXIC EFFECTS :
   Behavioral - general anesthetic
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 9(10),37,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,483,1995
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 gm/m3/4H/4W-I
TOXIC EFFECTS :
   Endocrine - evidence of thyroid hypofunction
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 9,175,1967
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 18200 mg/m3/4H/26W-I
TOXIC EFFECTS :
   Vascular - BP lowering not characterized in autonomic section
   Kidney, Ureter, Bladder - proteinuria
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - phosphatases
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 8,83,1966
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 20000 ppm/6H/28D-I
TOXIC EFFECTS :
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0535663
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 18200 mg/m3/4H/26W-I
TOXIC EFFECTS :
   Blood - changes in leukocyte (WBC) count
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 8,83,1966
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 20000 ppm/6H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,285,1995
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 20000 ppm/6H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,285,1995
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 10 pph/4H (Continuous)
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,491,1995

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

 
                            *** END OF RECORD ***