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二溴二氟烷

二溴二氟烷用途

合成染料、药物、灭火剂、第四胺化合物

二溴二氟烷名称

[ CAS 号 ]:
75-61-6

[ 中文名 ]:
二溴二氟甲烷

[ 英文名 ]:
Dibromodifluoromethane

[中文别名 ]:

[英文别名 ]:

Dibromo(difluoro)methane
Fluorocarbon 12-B2
Dibromodifluoromethane
Freon 12-B2
F 12B2
Methane,dibromodifluoro
Halon 1202
Difluorodibromomethane
Carbon dibromide difluoride
dibromo-difluoromethane

二溴二氟烷物理化学性质

[ 密度 ]:
2.5±0.1 g/cm3

[ 沸点 ]:
26.4±8.0 °C at 760 mmHg

[ 熔点 ]:
-141 °C

[ 分子式 ]:
CBr₂F₂

[ 分子量 ]:
209.816

[ 闪点 ]:
-30.3±18.4 °C

[ 精确质量 ]:
207.833466

[ LogP ]:
2.46

[ 外观性状 ]:
透明无色至淡黄色液体

[ 蒸汽压 ]:
723.8±0.1 mmHg at 25°C

[ 折射率 ]:
1.457

[ 储存条件 ]:
库房通风低温干燥

[ 水溶解性 ]:
不溶

二溴二氟烷MSDS

二溴二氟烷毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PA7525000

CHEMICAL NAME :: Methane, dibromodifluoro-

CAS REGISTRY NUMBER :: 75-61-6

BEILSTEIN REFERENCE NO. :: 1732515

LAST UPDATED :: 199712

DATA ITEMS CITED :: 28

MOLECULAR FORMULA :: C-Br2-F2

MOLECULAR WEIGHT :: 209.83

WISWESSER LINE NOTATION :: FXFEE

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 140 gm/m3/2H

REFERENCE :: TLSMA6 Trudy Leningradskogo Sanitarno-Gigienicheskogo Meditsinskogo Instituta. (Leningrad, Russia) V.1-145, 1949-82. Discontinued. Volume(issue)/page/year: 111,10,1975 *** REVIEWS *** ACGIH TLV-TWA 858 mg/m3 (100 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 *** MSHA STANDARD-air:TWA 100 ppm (860 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: 3,86,1971 OSHA PEL (Gen Indu):8H TWA 100 ppm (860 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 100 ppm (860 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 100 ppm (860 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 100 ppm (860 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 100 ppm (860 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-BELGIUM:TWA 100 ppm (858 mg/m3) JAN 1993 OEL-DENMARK:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-FINLAND:TWA 100 ppm (860 mg/m3);STEL 150 ppm (1290 mg/m3) JAN 1993 OEL-FRANCE:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-GERMANY:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 100 ppm (860 mg/m3);STEL 200 ppm JAN 1993 OEL-TURKEY:TWA 100 ppm (860 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 100 ppm (860 mg/m3);STEL 150 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 DIFLUORODIBROMOMETHANE-air:10H TWA 100 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 - 25515 No. of Facilities: 40 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 2234 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 25515 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated)

二溴二氟烷安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H420

[ 个人防护装备 ]:
Gloves

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S37/39-S26-S59

[ 危险品运输编码 ]:
1941

[ RTECS号 ]:
PA7525000

[ 包装等级 ]:
III

[ 危险类别 ]:
9

二溴二氟烷合成路线

二溴二氟烷文献

Matrix isolation and computational study of isodifluorodibromomethane (F2CBr-Br): a route to Br2 formation in CF2Br2 photolysis.

J. Chem. Phys. 132(8) , 084503, (2010)

The photolysis products of dibromodifluoromethane (CF(2)Br(2)) were characterized by matrix isolation infrared and UV/Visible spectroscopy, supported by ab initio calculations. Photolysis at wavelengt...

S. Hayaski et al.

Chem. Lett. , 983, (1979)

J.S. Houlten et al.

Tetrahedron 49 , 8087, (1993)

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