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:

DangerousN;VeryT+

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。

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