CAS 75-71-8|Dichlorodifluoromethane

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

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

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)

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