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二氯二氟甲烷

二氯二氟甲烷用途

【用途一】
用作工业制冷剂、农药喷雾剂、发泡剂及溶剂等
【用途二】
该品是稳定的致冷剂，能得到-60℃的低温。也用作灭火剂、杀虫剂和烟雾剂。也是氟树脂的原料。广泛用于香料、医药、喷漆等工业。

二氯二氟甲烷名称

[ CAS 号 ]:
75-71-8

[ 中文名 ]:
二氯二氟甲烷

[ 英文名 ]:
Dichlorodifluoromethane

[中文别名 ]:

氟里昂-12

[英文别名 ]:

dichloro difluoro methane
difluoro-dichloromethane
Ethane,1,1-dichloro-1,2-difluoro
dichlorodifluoroethane
1,1-Dichlor-1,2-difluor-ethan
sGPBADJHtaYCHiCUP@
1.1-Dichlor-1.2-difluor-aethan
EINECS 200-893-9
MFCD00000781
1,1-dichloro-1,2-difluoro-ethane

二氯二氟甲烷物理化学性质

[ 密度 ]:
1.329

[ 沸点 ]:
-29.79°C

[ 熔点 ]:
-158°C

[ 分子式 ]:
CCl₂F₂

[ 分子量 ]:
120.91400

[ 闪点 ]:
11 °C

[ 精确质量 ]:
119.93500

[ LogP ]:
2.01430

[ 外观性状 ]:
无色无臭气体

[ 折射率 ]:
1.169

[ 储存条件 ]:
库房通风低温干燥,轻装轻卸,与易燃物分开存放

[ 稳定性 ]:
Stable. Non-flammable. May react violently with aluminium.

[ 水溶解性 ]:
Insoluble. 0.028 g/100 mL

二氯二氟甲烷MSDS

二氯二氟甲烷毒性和生态

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)

二氯二氟甲烷安全信息

[ 符号 ]:

GHS02, GHS06, GHS08

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H301 + H311 + H331-H370-H420

[ 警示性声明 ]:
P210-P260-P280-P301 + P310-P311

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)

[ 危害码 (欧洲) ]:
Xn:Harmful;N:Dangerousfortheenvironment;

[ 风险声明 (欧洲) ]:
R20;R59

[ 安全声明 (欧洲) ]:
S23-S24/25-S59-S61-S45-S24-S16-S7-S36/37

[ 危险品运输编码 ]:
1028

[ 危险类别 ]:
2.2

[ 海关编码 ]:
2903772011

二氯二氟甲烷合成路线

二氯二氟甲烷上下游产品

二氯二氟甲烷上游产品

二氯二氟甲烷下游产品

二氯二氟甲烷制备

1.四氯化碳与氟化氢在五氯化锑催化剂存在下进行反应制得。当控制回流冷凝温度为－5℃时，主要得到本品。

二氯二氟甲烷海关

[ 海关编码 ]: 2903772011

二氯二氟甲烷文献

Simultaneous determination of CFC-11, CFC-12 and CFC-113 in seawater samples using a purge and trap gas-chromatographic system

Talanta 80(2) , 959-66, (2009)

We have optimized the analytical parameters of a homemade instrument for the simultaneous measurement of the chlorofluorocarbons CCl 2F 2 (CFC-12), CCl 3F (CFC-11) and C 2Cl 3F 3 (CFC-113) in seawater...

Background monitoring and long-range transport of atmospheric CFC-11 and CFC-12 at Kosan, Korea.

Environ. Monit. Assess. 70(1-2) , 47-56, (2001)

The background concentrations of atmospheric CFC-11 and CFC-12 were monitored to assess their impact on stratospheric ozone depletion and global warming from September 1995 to March 1999 at Kosan, Kor...

Standards development of global warming gas species: methane, nitrous oxide, trichlorofluoromethane, and dichlorodifluoromethane.

Environ. Sci. Technol. 38(9) , 2685-92, (2004)

Environmental scientists from federal agencies, such as the National Oceanic and Atmospheric Administration (NOAA), and academia have long suspected that increasing anthropogenic inputs of various tra...

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