< 生产厂家 价格 >

二水碲酸钠(VI)

二水碲酸钠(VI)用途

1.用作分析试剂,药物制造。

点击显示

二水碲酸钠(VI)名称

[ CAS 号 ]:
26006-71-3

[ 中文名 ]:
二水碲酸钠

[ 英文名 ]:
Sodium tellurate(VI) dihydrate

[中文别名 ]:

[英文别名 ]:

二水碲酸钠(VI)物理化学性质

[ 分子式 ]:
H4Na2O6Te

[ 分子量 ]:
273.60800

[ 精确质量 ]:
275.88700

[ PSA ]:
98.72000

[ 储存条件 ]:
室温

二水碲酸钠(VI)MSDS

二水碲酸钠(VI)毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WE3920000
CHEMICAL NAME :
Sodium tellurate, dihydrate
CAS REGISTRY NUMBER :
26006-71-3
LAST UPDATED :
199712
DATA ITEMS CITED :
20
MOLECULAR FORMULA :
O4-Te.2Na.2H2-O
MOLECULAR WEIGHT :
273.62

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
74 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 257,791,1963 *** 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
点击显示

二水碲酸钠(VI)安全信息

[ 危害码 (欧洲) ]:
T

[ 风险声明 (欧洲) ]:
R23/24/25;R36/37/38

[ 安全声明 (欧洲) ]:
S22-S26-S27-S45-S36-S37-S39

二水碲酸钠(VI)制备

1.按NaOH∶H6TeO6=2∶1的化学计量比,将氢氧化钠的浓溶液加入到煮沸的中等浓度的原碲酸溶液中,继续煮沸短时间后,让其自然冷却,即可析出Na2H4TeO6的微细结晶。吸滤,并用少量0℃的水洗涤,最后放入装有无水氯化钙的干燥器中干燥。

2.用热氢氧化钠溶液与碲酸水溶液作用,冷却后添加乙醇使析出二水合碲酸钠:

点击显示

相关化工产品/化学物质:

推荐生产厂家/供应商:

公司名:上海阿拉丁生化科技股份有限公司

区域:上海市浦东新区

价格:
¥1705.9/25g ¥431.9/5g ¥需询单/1g ¥需询单/1g

联系人:阿拉丁李高志

产品详情:二水碲酸钠(VI)


查看所有供应商请点击:

二水碲酸钠(VI)供应商


相关化合物

【二水碲酸钠(VI)】化源网提供二水碲酸钠(VI)CAS号26006-71-3,二水碲酸钠(VI)MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询二水碲酸钠(VI)上化源网,专业又轻松。>>电脑版:二水碲酸钠(VI)

标题:二水碲酸钠(VI)_MSDS_用途_分子量_CAS号【26006-71-3】_化源网 地址:https://m.chemsrc.com/mip/cas/26006-71-3_749919.html