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
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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