毒理学数据:
1.急性毒性
LD50:72250mg/kg(大鼠经口)
LC50:720000ppm(大鼠吸入,30min);4970~5330mg/m3(小鼠吸入,30min);4970~5330mg/m3(兔吸入,30min)
2.刺激性 暂无资料
3.亚急性与慢性毒性 豚鼠,狗吸入14%~21%本品,每天8h,2~21d,出现震颤及痉挛,少数动物死亡,肝脂肪变性。
生态学数据:
1.生态毒性 暂无资料
2.生物降解性 暂无资料
3.非生物降解性 空气中,当羟基自由基浓度为5.00×105个/cm3时,降解半衰期为126~310a。
4.生物富集性 BCF:10~82
5.其他有害作用 该物质臭氧消耗潜能ODP为1,对大气臭氧层破坏力极强。
CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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KI1101000
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CHEMICAL NAME :
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Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-
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CAS REGISTRY NUMBER :
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76-14-2
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BEILSTEIN REFERENCE NO. :
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1740333
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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35
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MOLECULAR FORMULA :
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C2-Cl2-F4
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MOLECULAR WEIGHT :
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170.92
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WISWESSER LINE NOTATION :
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GXFFXGFF
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LD - Lethal dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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>2250 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0520424
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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72 pph/30M
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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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
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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70 pph/30M
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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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
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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75 pph/30M
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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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
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TYPE OF TEST :
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LC - Lethal concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - guinea pig
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DOSE/DURATION :
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>20 pph/8H
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REFERENCE :
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JOCMA7 Journal of Occupational Medicine. (Chicago, IL) V.1-9, 1957-67. For publisher information, see:JJOMDZ Volume(issue)/page/year: 4,262,1962 *** 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 6990 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 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):8H TWA 1000 ppm (7000 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 (7000 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 (7000 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 (7000 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 (7000 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-BELGIUM:TWA 1000 ppm (6990 mg/m3) JAN 1993 OEL-DENMARK:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-FINLAND:TWA 1000 ppm (7000 mg/m3);STEL 1250 ppm (8750 mg/m3) JAN 1993 OEL-FRANCE:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-GERMANY:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-HUNGARY:TWA 100 mg/m3;STEL 200 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-POLAND:TWA 5000 mg/m3 JAN 1993 OEL-RUSSIA:STEL 3000 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-TURKEY:TWA 1000 ppm (7000 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 1000 ppm (7000 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 DICHLOROTETRAFLUOROETHANE-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 - T1293 No. of Facilities: 38 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 38 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1293 No. of Facilities: 1140 (estimated) No. of Industries: 10 No. of Occupations: 32 No. of Employees: 59867 (estimated) No. of Female Employees: 45860 (estimated)
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