氟化铍

基本信息
制备方法及用途
物化性质
安全信息
毒理性
MSDS

氟化铍基本信息

中文名称：: 氟化铍

中文别名：: 氟化铍;
barium dioxido(dioxo)molybdenum;
Barium tetraoxomolybdate;
Barium manganate(VI);
(1R)-(-)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-one~(-)-1,3,3-Trimethylnorcamphor;
(1R,4S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one;
L(-)-Fenchone;
4-ethenyl-2-methoxyphenol;
4-Hydroxy-3-methoxystyrene;
4-Vinylguaiacol;
2-Methoxy-4-vinylphenol;
Ammonium phosphate;
RCRA waste number P056;
Saeure fluoride;
Saeure fluoride [German];
UNII-284SYP0193;
Fluorine, com

英文名称：: beryllium fluoride

英文别名：: beryllium difluoride;
BeF2;
Beryllium difluoride;
Beryllium fluoride(Be2F4);
BERYLLIUM FLUORIDE;
berylliumfluoride(bef2)

CAS No.：: 7787-49-7

分子式：: BeF₂

分子量：: 47.01

精确分子量：: 47.00900

PSA：: 0.00000

MDL：: MFCD00014194

EINECS：: 232-118-5

InChI：: InChI=1/Be.2FH/h;2*1H/q+2;;/p-2

危险品标志：: N;T+

风险术语：: R25;R26;R36/37/38

安全术语：: S45;S53;S61

分子结构式：

SDS：: 查看

氟化铍制备方法及用途

合成制备方法

首先制备四氟铍酸铵。将氧化铍或碳酸铍溶于25%的氟化氢铵的水溶液中，在铂制容器中加热浓缩，则制得四氟铍酸铵结晶。将(NH4)2BeF4置于铂舟中，在干燥的空气流中加热至赤热，NH4F逸出，呈透明玻璃状的氟化铍残留下来。

用途

核反应器。制造铍和铍合金。玻璃工业。

氟化铍物化性质

密度：: 1.98
熔点：: 545ºC
沸点：: 1175ºC
存储条件/存储方法：: 库房通风、远离明火、高温、与氧化剂,镁分开存放
稳定性相关：: 加热即软化，无明显熔点，800℃时变成流动液体。可以任何比例溶于水，但不溶于氢氟酸，略溶于无水乙醇，可溶于90%的乙醇。注意有毒。
其它信息：: 1.       性状：玻璃状无色晶体，属四方晶系。有吸湿性。
2.       密度（g/mL,25/4℃）：1.986
3.       相对蒸汽密度（g/mL,空气=1）：未确定
4.       熔点（ºC）：550
5.       沸点（ºC,常压）：未确定
6.       沸点（ºC,5.2kPa）：未确定
7.       折射率：未确定
8.       闪点（ºC）：未确定
9.       比旋光度（º）：未确定
10.    自燃点或引燃温度（ºC）：未确定
11.    蒸气压（kPa,25ºC）：未确定
12.    饱和蒸气压（kPa,60ºC）：未确定
13.    燃烧热（KJ/mol）：未确定
14.    临界温度（ºC）：未确定
15.    临界压力（KPa）：未确定
16.    油水（辛醇/水）分配系数的对数值：未确定
17.    爆炸上限（%,V/V）：未确定
18.    爆炸下限（%,V/V）：未确定
19.    溶解性：易溶于水，微溶于乙醇而较多溶于乙醇和乙醚的混合液，不溶于无水氟化氢。

氟化铍安全信息

包装等级：: II
风险类别：: 6.1
危险类别码：: R25;R26;R36/37/38;R43;R48/23;R49;R51/53
安全说明：: S45-S53-S61
安全标志：: S45:出现意外或者感到不适，立刻到医生那里寻求帮助（最好带去产品容器标签）。
S53:避免暴露——使用前先阅读专门的说明。
S61:避免排放到环境中。参考专门的说明/安全数据表。
危险标志：: T+:Verytoxic;N:Dangerous for the environment;

氟化铍毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DS2800000

CHEMICAL NAME :: Beryllium fluoride

CAS REGISTRY NUMBER :: 7787-49-7

LAST UPDATED :: 199712

DATA ITEMS CITED :: 70

MOLECULAR FORMULA :: Be-F2

MOLECULAR WEIGHT :: 47.01

WISWESSER LINE NOTATION :: BE F2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 98 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: XEURAQ U.S. Atomic Energy Commission, University of Rochester, Research and Development Reports. (Rochester, NY) Volume(issue)/page/year: UR-154,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: XPHPAW U.S. Public Health Service Publication. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) No.1- 1950- Volume(issue)/page/year: 2173,23,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 20 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: XPHPAW U.S. Public Health Service Publication. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) No.1- 1950- Volume(issue)/page/year: 2173,23,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1800 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: XPHPAW U.S. Public Health Service Publication. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) No.1- 1950- Volume(issue)/page/year: 2173,23,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 21 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: XEURAQ U.S. Atomic Energy Commission, University of Rochester, Research and Development Reports. (Rochester, NY) Volume(issue)/page/year: UR-154,1951 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 mg/m3/6H/30W-I

TOXIC EFFECTS :: Related to Chronic Data - death

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,493,1953

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10 mg/m3/6H/15D-I

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,493,1953

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 1 mg/m3/6H/30W-I

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes Blood - other changes Related to Chronic Data - death

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,493,1953

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 10 mg/m3/6H/30W-I

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,493,1953

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1 mg/m3/6H/30W-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - other changes in urine composition Blood - other changes

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,493,1953

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 10 mg/m3/6H/30W-I

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,493,1953 ** TUMORIGENIC DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 20 ug/m3/1H/17W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 19(7),34,1975

TYPE OF TEST :: TC - Toxic concentration (other than lowest)

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 49 ug/m3/26W

REFERENCE :: PEXTAR Progress in Experimental Tumor Research. (S. Karger AG, Postfach CH-4009 Basel, Switzerland) V.1- 1960- Volume(issue)/page/year: 2,203,1961 *** REVIEWS *** ACGIH TLV-SUSPECTED HUMAN CARCINOGEN 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1/BEI,1997 ACGIH TLV-TWA 0.002 mg(Be)/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: TLV/BEI,1997 ACGIH TLV-TWA 2.5 mg(F)/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: TLV/BEI,1997 ACGIH TLV-Suspected 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 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,143,1980 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 58,41,1993 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 58,41,1993 IARC Cancer Review:Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 58,41,1993 TOXICOLOGY REVIEW CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 6,497,1973 TOXICOLOGY REVIEW AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 8,1,1953 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):8H TWA 0.002 mg(Be)/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 (Gen Indu):8H TWA 2.5 mg(F)/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 0.002 mg(Be)/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 (Construc):8H TWA 2.5 mg(F)/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 0.002 mg(Be)/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 (Shipyard):8H TWA 2.5 mg(F)/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 0.002 mg(Be)/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 OSHA PEL (Fed Cont):8H TWA 2.5 mg(F)/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-ARAB Republic of Egypt:TWA 0.002 mg(Be)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-AUSTRALIA:TWA 2.5 mg(F)/m3 JAN 1993 OEL-BELGIUM:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-BELGIUM:TWA 2.5 mg(F)/m3 JAN 1993 OEL-DENMARK:TWA 0.001 mg(Be)/m3;Carcinogen JAN 1993 OEL-DENMARK:TWA 2.5 mg(F)/m3 JAN 1993 OEL-FINLAND:TWA 0.002 mg(Be)/m3;STEL 0.006 mg(Be)/m3;Carcinogen JAN 1993 OEL-FINLAND:TWA 2.5 mg(F)/m3 JAN 1993 OEL-FRANCE:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-FRANCE:TWA 2.5 mg(F)/m3 JAN 1993 OEL-GERMANY:TWA 2.5 mg(F)/m3 JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-HUNGARY:STEL 0.001 mg(Be)/m3;Carcinogen JAN 1993 OEL-HUNGARY:TWA 1 mg(F)/m3;STEL 2 mg(F)/m3 JAN 1993 OEL-INDIA:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-JAPAN:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-THE NETHERLANDS:TWA 0.002 mg(Be)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 2.5 mg(F)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.002 mg(Be)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 2.5 mg(F)/m3 JAN 1993 OEL-POLAND:TWA 0.001 mg(Be)/m3 JAN 1993 OEL-POLAND:TWA 1 mg(F)/m3 JAN 1993 OEL-RUSSIA:STEL 0.001 mg(Be)/m3;Carcinogen JAN 1993 OEL-SWEDEN:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-SWEDEN:TWA 2 mg(F)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 1.8 ppm (1.5 mg(F)/m3);STEL 9.0 ppm JAN 1993 OEL-THAILAND:TWA 0.002 mg(Be)/m3;STEL 0.005 mg(Be)/m3 JAN 1993 OEL-THAILAND:TWA 2.5 mg(F)/m3 JAN 1993 OEL-TURKEY:TWA 0.002 mg(Be)/m3 JAN 1993 OEL-TURKEY:TWA 2.5 mg(F)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.002 mg(Be)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 2.5 mg(F)/m3 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 BERYLLIUM-air:CA not to exceed 0.0005 mg(Be)/m3 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

生态数据：

1、其它有害作用：该物质对环境有危害，建议不要让其进入环境。应特别注意对水体的污染。