*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : PA8200000 CHEMICAL NAME : Methane, dichlorodifluoro- CAS REGISTRY NUMBER : 75-71-8 LAST UPDATED : 199712 DATA ITEMS CITED : 49 MOLECULAR FORMULA : C-Cl2-F2 MOLECULAR WEIGHT : 120.91 WISWESSER LINE NOTATION : GXGFF COMPOUND DESCRIPTOR : Human SYNONYMS/TRADE NAMES : * Algofrene type 2 * Arcton 6 * Arcton 12 * CFC 12 * Chlorofluorocarbon 12 * Dichlorodifluoromethane * Difluorodichloromethane * Dwuchlorodwufluorometan * Dymel 12 * Electro-CF 12 * F 12 * FC 12 * FCC 12 * FKW 12 * Fluorocarbon-12 * Forane 12 * Freon 12 * Eskimon 12 * Freon F-12 * Frigen 12 * Genetron 12 * Isceon 122 * Isotron 12 * Kaiser chemicals 12 * Ledon 12 * Propellant 12 * RCRA waste number U075 * R 12 (refrigerant) * Refrigerant R 12 * Ucon 12 * Ucon 12/halocarbon 12 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Human DOSE/DURATION : 200000 ppm/30M TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - conjunctive irritation Lungs, Thorax, or Respiration - fibrosing alveolitis Liver - other changes REFERENCE : EJTXAZ European Journal of Toxicology and Environmental Hygiene. (Paris, France) V.7-9, 1974-76. For publisher information, see TOERD9. Volume(issue)/page/year: 9,385,1976 TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >5600 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 52(3),73,1987 TYPE OF TEST : LC - Lethal concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >80 pph/4H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0520424 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 3348 gm/m3/3H TOXIC EFFECTS : Behavioral - sleep Behavioral - tremor Behavioral - excitement REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 28(6),95,1963 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 80 pph/30M TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJTXAZ European Journal of Toxicology and Environmental Hygiene. (Paris, France) V.7-9, 1974-76. For publisher information, see TOERD9. Volume(issue)/page/year: 9,385,1976 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 80 pph/30M TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJTXAZ European Journal of Toxicology and Environmental Hygiene. (Paris, France) V.7-9, 1974-76. For publisher information, see TOERD9. Volume(issue)/page/year: 9,385,1976 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2548 mg/kg/26W-I TOXIC EFFECTS : Behavioral - alteration of classical conditioning Blood - changes in erythrocyte (RBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 52(3),73,1987 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 4136 mg/m3/8H/6W-I TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema Related to Chronic Data - death REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 10,270,1967 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3997 mg/m3/90D-C TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema Related to Chronic Data - death REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 10,270,1967 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Primate - monkey DOSE/DURATION : 3997 mg/m3/90D-C TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 10,270,1967 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 3997 mg/m3/90D-C TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 10,270,1967 TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 3997 mg/m3/90D-C TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema Liver - hepatitis (hepatocellular necrosis), diffuse Related to Chronic Data - death REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 10,270,1967 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen 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 ACGIH TLV-TWA 4950 mg/m3 (1000 ppm) 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 FAZMAE Fortschritte der Arzneimittelforschung. Progress in Drug Research. (Birkhauser Boston, Inc., c/o Springer-Verlag New York, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1959- Volume(issue)/page/year: 18,365,1974 TOXICOLOGY REVIEW NYSJAM New York State Journal of Medicine. (Medical Soc. of the State of New York, POB 5405, Lake Success, NY 11042) V.1- 1901- Volume(issue)/page/year: 74,1939,1974 *** 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 MSHA STANDARD-air:TWA 1000 ppm (4950 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: 3,78,1971 OSHA PEL (Gen Indu):8H TWA 1000 ppm (4950 mg/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 1000 ppm (4950 mg/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 1000 ppm (4950 mg/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 1000 ppm (4950 mg/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 1000 ppm (5000 mg/m3) JAN 1993 OEL-BELGIUM:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-DENMARK:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-FINLAND:TWA 1000 ppm (4950 mg/m3);STEL 1250 ppm (6200 mg/m3) JAN 1993 OEL-FRANCE:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-GERMANY:TWA 1000 ppm (5000 mg/m3) JAN 1993 OEL-HUNGARY:TWA 100 mg/m3;STEL 200 mg/m3 JAN 1993 OEL-JAPAN:TWA 500 ppm (2500 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-POLAND:TWA 4000 mg/m3 JAN 1993 OEL-RUSSIA:TWA 500 ppm;STEL 3000 mg/m3 JAN 1993 OEL-SWEDEN:TWA 500 ppm (2500 mg/m3);STEL 750 ppm (4000 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 1000 ppm (5000 mg/m3) JAN 1993 OEL-TURKEY:TWA 1000 ppm (4950 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 1000 ppm (4950 mg/m3);STEL 1250 ppm 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 DICHLORODIFLUOROMETHANE-air:10H TWA 1000 ppm 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 - 24095 No. of Facilities: 139220 (estimated) No. of Industries: 403 No. of Occupations: 213 No. of Employees: 1892483 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 24095 No. of Facilities: 30739 (estimated) No. of Industries: 177 No. of Occupations: 140 No. of Employees: 510790 (estimated) No. of Female Employees: 143439 (estimated) *** 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 NIOSH Analytical Method, 1994: Dichlorodifluoromethane, 1018 *** END OF RECORD ***