Lanthanum(III) Oxide 氧化镧（III）

CAS 1312-81-8 MFCD00011071

化学结构图

1312-81-8
SMILES: O=[La]O[La]=O

化学属性

Mol. FormulaLa2O3
Mol. Weight325.81
Density6.51
TSCAYes
Boiling Point4200°C
Melting Point＞2000°C
SolubilityInsoluble in water. Soluble in dilute mineral acids
Stability对湿度和对空气敏感
Flash Point4200°C
Appearance nanopowder 氧化镧(1312-81-8)为白色无定形粉末。密度6．51g/cm3。熔点2217℃。沸点4200℃。微溶于水，易溶于酸而生成相应的盐类。露置空气中易吸收二氧化碳和水，逐渐变成碳酸镧。灼烧的氧化镧与水化合放出大量的热。

别名和识别编码

Chemical NameLanthanum(III) Oxide
CAS Number1312-81-8
PubChem Substance ID253661566
EC Number215-200-5
MDL NumberMFCD00011071
Merck Number5363
Synonym lanthania Lanthanum oxide, 99.99% metals basis lanthania(la2o3) Dilanthanum oxide Lanthanum(3+) oxide LanthanumoxidePURATREM lanthanum (III) oxide 氧化镧(III), REACTON|R, 99.99% (REO) LANTHANUM(III) OXIDE LANTHANUM OXIDE, FOR AAS 氧化镧(III), 99.9% (METALS BASIS) lanthanumoxide(la2o3) Lanthan-(III)-oxid Lanthanum trioxideLanthanum sesquioxide Lanthanum(III) oxide 氧化鑭 Lanthanum trioxide dilanthanumoxide Lanthan(III)-oxid LANTHANUM OXIDE, 99.9+%, AAS GRADE lanthuium trioxide Lanthana Lanthanum oxide (La2O3) 氧化镧(III), REACTON|R, 99.9% (REO) LANTHANUM OXIDE LanthanumoxideREOwhitepowder 氧化镧/纳米氧化镧 Lanthanum (III) oxide (99.999 La) (REO) PURATREM 三氧化二镧 lanthanumsesquioxide 氧化镧(III), REACTON|R, 99.999% (REO) dilanthanumtrioxide 氧化镧(III), 99.99% (REO), CA 10PPM MAX, AAS GRADE Lanthanum (III) oxide (99.9% La) (REO) Dilanthanum trioxide LANTHANUM OXIDE, NANOPOWDER, <100NM, 99% METALS BASIS Lanthanumtrioxide 氧化镧(III) LANTHANUM(+3)OXIDE Lanthanum oxide (La2O3) Lanthania (La2O3) Lanthanoxid Lanthanum sesquioxide 氧化镧
Beilstein Registry Number2384789
Chemical Name Translation氧化镧（III）
Reaxys-RN11323470
LabNetwork Molecule IDLN00223858
信息真实价格透明    资金保障    专业采购外包团队在线服务   
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品牌质保精细包装    现货库存    一流品牌服务   

分类

  • {SNA} Alternative Energy, Catalysis and Inorganic Chemistry, Chemical Synthesis, Hosts, La, Lanthanum, Materials Science, Metal and Ceramic Science, Oxides, Phosphor Materials, Ultra-High Purity Materials
  • {SNA} Alternative Energy, Catalysis and Inorganic Chemistry, Chemical Synthesis, Hosts, Lanthanum, Materials Science, Metal and Ceramic Science, Oxides, Phosphor Materials
  • {SNA} Catalysis and Inorganic Chemistry, Chemical Synthesis, Lanthanum, Materials Science, Metal and Ceramic Science, Oxides
  • {SNA

产品应用

  • 主要用于制造摄影机，显微镜，所需各种光学玻璃部件以及光导纤维，可改善折光性质。在电子陶瓷工业以及催化剂制备等方面也有一定的用途。LAMOX快离子导体和超导体的前体。

相关文献及参考

  • 1. Lacorre, P., et al. Nature 404 , 856, (2000)
  • 2. Arulraj, A. et al. Chem. Mater. 14 , 2492, (2002)
  • Merck 14 ,5363
  • RegBook 1 (3), 3281:H / Sax 6 , 2360
  • Short: IV/1a Title: Densities of Liquid Systems: Nonaqueous Systems and Ternary Aqueous Systems Author: Lacmann, R.; Synowietz, C. Editor: Schäfer, Kl. Source: Landolt-Börnstein, New Series Volume: IV/1a Year: 1974 ISBN: 3-540-06269-6 ISBN: 978-3-540-06269-1 Internet Resource: DOI:10.1007/b20003 RefComment: X, 716 pages. Hardcover Abstract: Volume IV/1 contains information on the densities of liquid systems. It may be considered as a supplement to volume II/1 of the 6th Edition, which contains only a few data on nonaqueous systems. Data are not listed for all systems but primarily for those of greater interest where data for a larger range of concentrations were available.
  • Short: EINECS Title: EINECS (European Inventory of Existing Commercial Chemical Substances) Source: Official Journal of the European Communities Volume: C 146 A (15.06.1990) Page: 1 Year: 1990 Internet Resource: http://ecb.jrc.ec.europa.eu/esis/index.php?PGM=ein Publish_Date: 1990/06/15

安全信息

GHS Symbol
WGK Germany1
Hazard Codes Xi
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H320 Causes eye irritation 刺激眼睛
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
RTECSOE5330000
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P337+P313
Signal word Warning
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S36 Wear suitable protective clothing 穿戴适当的防护服；
  • S37 Wear suitable gloves 戴适当手套；
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Storage condition 充氩气保存 充氩气保存。 充氩保存 密封干燥保存。 Hygroscopic 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >9968 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975

其他信息

  • 用途四:主要用于制造摄影机，显微镜，所需各种光学玻璃部件以及光导纤维，可改善折光性质。在电子陶瓷工业以及催化剂制备等方面也有一定的用途。
  • 上游原料:萃取剂 --> 磷化氢 --> PR --> 甲基膦酸 --> 镧 --> 稀土微肥
  • 防护措施:参见氧化铈产品。
  • 下游产品:氟化镧
  • MSDS 信息:Lanthanum(III) oxide(1312-81-8).msds
  • 用途二:用作分析试剂、光学玻璃的原料和耐火材料
  • 氧化镧价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 52003866 氧化镧 250g 150元 2011/08/23 52003861 氧化镧 100g 70元 2010/06/21 193290050 氧化镧 Lanthanum(III) oxide 99.99% 5 GR 307元
  • 敏感性:Hygroscopic
  • MOL 文件:1312-81-8.mol
  • Alfa Aesar:氧化镧(III),REacton|r,99.999%(REO) Lanthanum(III) oxide, REacton, 99.999% (REO)(1312-81-8)
  • 常规方法:用双层聚乙烯塑料袋包装，热压封口，每袋净重5kg或10kg,外套铁桶保护，每桶净重40kg。 贮存于通风、干燥处。应防止包装破损，因吸收空气中的二氧化碳和水分而使成分下降。
  • 海关编码:28469000
  • 有吸湿性,极易吸潮。能迅速吸收空气中的水份和二氧化碳，应置于密封容器内。可溶于无机酸生成盐，不溶于水。有刺激性。
  • Acros Organics:氧化镧 Lanthanum(III) oxide, 99.99%(1312-81-8)
  • 用途三:主要用于制造精密光学玻璃、光导纤维。也用于电子工业作陶瓷电容器，压电陶瓷掺入剂。还用作制硼化镧的原料，石油分离精制催化剂。
  • {Chemicalbo
  • 图谱信息:氧化镧(1312-81-8)红外图谱(IR1)
  • {Chemic
  • 毒性:参见氧化铈产品。
  • 参考质量标准:国家标准GB/T4154—1993 产品牌号 化学成分/% 杂质(稀土杂质/REO) 非稀土杂质，≤ REO≥ La2O3/REO≥ CeO2 Pr6O11 Nd2O3 Sm2O3 Y2O3 Fe2O3 SiO2 CaO CuO NiO PbO 灼减1000℃，1h/%≤ La2O3-045G 99 99.995 0.0005 0.0005 0.0005 0.0005 0.0010 0.0003 - - 0.0002 0.0002 0.0002 1 La2O3-04G 99 99.99 0.0015 0.0015 0.0010 0.0010 0.0010 0.0005 - - 0.0005 0.0005 0.0005 1 La2O3-045 99 99.995 0.005 0.0005 0.0050 0.0050 0.0005 0.0010 0.0050 1 La2O3-04 99 99.99 0.01 0.0005 0.0050 0.0050 0.0005 0.0010 0.0050 1 La2O3-2 98 99.9 0.1 0.001 0.010 0.010 - - - 2 La2O3-3 97 99.5 0.5 0.005 0.050 0.050 - - - 3 La2O3-4 95 99 1 0.010 0.50 0.10 - - - 5
  • Sigma Aldrich:1312-81-8(sigmaaldrich)
  • 方法一:萃取法原料为除铈后的硝酸稀土溶液，大约含LaO3 50%、CeO2微量、Pr6O116%～7%、Nd2O3 30%。配制成ΣRxOy320～330g／L的硝酸稀土溶液，采用中性膦萃取剂甲基膦酸二甲庚酯(P350)，以P350-煤油体系经35～38级萃取分离，使镧与其他稀土分离，含镧萃余液经氨水中和、草酸沉淀，再经过滤、灼烧，制得氧化镧成品。其 La2(C2O4)3→La2O3+3CO2+3CO

系列性分类

  1. Chemical Synthesis 化学合成
  2. Catalysis and Inorganic Chemistry 催化剂和无机化学
  3. Lanthanum - Catalysis and Inorganic Chemistry
  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Ultra-High Purity Materials - Metal and Ceramic Science
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Reagents
  3. Spectroscopy - Analytical Reagents
  4. Atomic Absorption Spectroscopy (AAS) - Spectroscopy
  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Oxides 金属氧化物
  4. Lanthanum - Oxides
  1. Chemical Synthesis 化学合成
  2. Catalysis and Inorganic Chemistry 催化剂和无机化学
  3. Rare-Earth Metals 稀土金属化合物
  1. Chemical Synthesis 化学合成
  2. Catalysis and Inorganic Chemistry 催化剂和无机化学
  3. Iron

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