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碲酸铵

碲酸铵名称

[ CAS 号 ]:
13453-06-0

[ 中文名 ]:
碲酸铵

[ 英文名 ]:
ammonium tellurate

[中文别名 ]:

碲酸二铵

[英文别名 ]:

Diammonium tetraoxotellurate
Ammonium tellurate(VI) ((NH4)2TeO4)
Ammonium tellurate
Telluric acid,diammonium salt
diazanium tellurate
Diammonium tellurate
MFCD00015964
Ammonium tellurate ((NH4)2TeO4)
Telluric acid (H2TeO4),diammonium salt
EINECS 236-622-6

碲酸铵物理化学性质

[ 密度 ]:
3.024 g/cm3

[ 熔点 ]:
°Cd ec.)

[ 分子式 ]:
H₈N₂O₄Te

[ 分子量 ]:
227.67500

[ 精确质量 ]:
229.95500

[ PSA ]:
81.08000

[ 外观性状 ]:
白色结晶

[ 储存条件 ]:
库房通风低温干燥

碲酸铵毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WY2415000

CHEMICAL NAME :: Telluric acid, diammonium salt

CAS REGISTRY NUMBER :: 13453-06-0

LAST UPDATED :: 199712

DATA ITEMS CITED :: 21

MOLECULAR FORMULA :: O4-Te.2H4-N

MOLECULAR WEIGHT :: 227.70

WISWESSER LINE NOTATION :: ..H2.TE-O4 ZH2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Human Leukocyte

DOSE/DURATION :: 240 nmol/L/48H

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 16,332,1972 *** REVIEWS *** ACGIH TLV-TWA 0.1 mg(Te)/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 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):8H TWA 0.1 mg(Te)/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 0.1 mg(Te)/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 0.1 mg(Te)/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 0.1 mg(Te)/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 0.1 mg(Te)/m3 JAN 1993 OEL-BELGIUM:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Te)/m3;STEL 0.3 mg(Te)/m3 JAN 1993 OEL-FRANCE:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Te)/m3;STEL 0.5 mg(Te)/m3 JAN 1993 OEL-TURKEY:TWA 0.1 mg(Te)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Te)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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碲酸铵安全信息

[ 危害码 (欧洲) ]:
Xi

[ 危险品运输编码 ]:
UN3284

[ 包装等级 ]:
III

[ 危险类别 ]:
6.1

碲酸铵制备

用浓氨水与粉末状的原碲酸作用，可生成白色的糊状物，加热煮沸，则溶解成为澄清的溶液,冷却即有片状和粉末状的碲酸铵的晶体析出。将母液分离出来后，加入氯化铵粉末，并充分搅拌后，加入乙醇即又可析出更多的碲酸铵晶体。将碲酸铵晶体滤出后与前面的晶体合并后用乙醇充分洗涤，即可制得碲酸铵。