Hafnium(IV) oxide - pellets,diam. × thickness 13 mm × 5 mm , CAS No.12055-23-1

CAS: 12055-23-1 Cat. No.: H431570 Peso molecular: 210.49 Número EC: 235-013-2
Disponible para pedir
GRADE & PURITY pellets,diam. × thickness 13 mm × 5 mm
Synonyms
Hafnia
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
25g
H431570-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

422,90US$

493,90US$
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Why this grade

pellets,diam. × thickness 13 mm × 5 mm for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 100 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

Application

High dielectric constant of hafnia makes it suitable for application in metal oxide based semiconductor devices. It also finds applications as optical coating materials

Specifications

Sinónimos
Hafnia
Especificaciones y pureza
pellets, diam. × thickness 13 mm × 5 mm
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Nombres e identificadores
Sonrisas canónicasO=[Hf]=O
IUPAC Namedioxohafnium
InChIKeyCJNBYAVZURUTKZ-UHFFFAOYSA-N
INCHI1S/Hf.2O
Isómeros SMILES O=[Hf]=O
WGK Alemania 3
Peso molecular 210.49
Reaxy-Rn 13260127
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13260127&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClaseTransition metal organides
SubclassTransition metal oxides
Intermediate Tree Nodes Not available
Direct ParentTransition metal oxides
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Transition metal oxide - Inorganic oxide - Inorganic salt
DescripciónThis compound belongs to the class of inorganic compounds known as transition metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a transition metal.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Propiedades químicas y físicas
Punto de fusión (°C)2810°C
Peso molecular210.480 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass211.936 Da
Monoisotopic Mass211.936 Da
Topological Polar Surface Area34.100 Ų
Heavy Atom Count3
Formal Charge0
Complexity18.300
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Wei Zhou, Yutong Ren, Zhipeng Sun, Ling He, Ling Pan, Peng Xiao, Yang Li.  (2023)  Corrosion behavior of Fe-containing silicate over ytterbium hafnate ceramics with different HfO2 content.  JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,      [PMID:] [10.1016/j.jeurceramsoc.2023.12.008]
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3. Yang Hu, Dewei Ni, Bowen Chen, Feiyan Cai, Xuegang Zou, Fan Zhang, Yusheng Ding, Xiangyu Zhang, Shaoming Dong.  (2023)  Cf/(CrZrHfNbTa)C–SiC high-entropy ceramic matrix composites for potential multi-functional applications.  JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,      [PMID:] [10.1016/j.jmst.2023.09.043]
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5. Liwei Su, Lei Zhang, Xingyi Zhan, Yifan Zhang, Lianbang Wang, Yuanhao Wang.  (2023)  Oxygen defect regulation, catalytic mechanism, and modification of HfO2 as a novel catalyst for lithium–oxygen batteries.  Journal of Materials Chemistry A,  12  (2): (1176-1184).  [PMID:] [10.1039/D3TA06287B]
6. Zhe Xu, Lina Cao, Jingming Chan, Balaji Devakumar, Xiaoyong Huang.  (2023)  Full-visible-spectrum LED lighting by using a near-UV-excitable broadband blue-emitting Ca2LuHf2GaAl2O12:Ce3+ garnet phosphor.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2023.12.062]
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12. Nan Ma, Zongjie Zhang, Wei Li, Xiaoyong Huang.  (2023)  Efficient blue-light-excited cyan-emitting CaLu2HfScAl3O12:Ce3+ phosphors for full-visible-spectrum warm-white LEDs.  JOURNAL OF LUMINESCENCE,      [PMID:] [10.1016/j.jlumin.2023.120060]
13. Wei Li, Nan Ma, Balaji Devakumar, Xiaoyong Huang.  (2023)  Highly bright broadband cyan-emitting CaLu2HfGaAl3O12:Ce3+ garnet phosphors for high-color-quality white light-emitting diodes.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2023.06.294]
14. Ziqi Ren, Lu Fang, Miao Cui, Tianming Lv, Huifang Wu, Ziyi Feng, Zhaochi Feng, Changgong Meng, Limin Ren.  (2023)  Acid Treatment for Regulating Hf Sites of the Hierarchical Hf-B-BEA Zeolite, Thereby Boosting Its MPV Reaction Performance.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.3c01104]
15. Jingming Chan, Lina Cao, Zhe Xu, Xiaoyong Huang.  (2023)  Cation substitution induced highly symmetric crystal structure in cyan-green-emitting Ca2La1-xLuxHf2Al3O12:Ce3+ solid-solution phosphors with enhanced photoluminescence emission and thermal stability: Toward full-visible-spectrum white LEDs.  Materials Today Physics,      [PMID:] [10.1016/j.mtphys.2023.101130]
16. Xiaoyong Huang, Zhe Xu, Balaji Devakumar.  (2023)  Near-UV-excitable broadband green-emitting Ca2LaHf2GaAl2O12:Ce3+ garnet-type phosphors for high color rendering warm-white LEDs.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2023.05.178]
17. Kong Xi, Yang Letao, Luo Zixi, Liu Yiqian, Lan Shun, Yang Bingbing, Meng Fanqi, Ren Weibin, Zhang Xinyue, Cai Jinghan, Lin Yuan-Hua, Guo Jinming, Nan Ce-Wen.  (2023)  Bismuth ferrite-modified lead-free ceramics with reduced sintering temperature and improved energy storage properties.  APPLIED PHYSICS LETTERS,  122  (18):   [PMID:] [10.1063/5.0145299]
18. Long Chen, Yixuan Liu, Heng Zhang, Yuncong Li, Songdang Zhang, Yulin Hu, Hu Li, Song Yang.  (2023)  “Domino” synthesis of bio-derived anethole over facile-prepared hafnium phosphonate frameworks with efficient bifunctional acid sites.  Reaction Chemistry & Engineering,  (6): (1464-1475).  [PMID:] [10.1039/D3RE00096F]
19. Jingxin Wu, Meng Zhang, Zhanqiang Li, Minzhong Huang, Huiming Xiang, Liyan Xue, Zhengming Jiang, Zhigang Zhao, Lianfeng Wei, Yong Zheng, Fan Yang, Guang Ran, Yanchun Zhou, Heng Chen.  (2023)  High-entropy (Sm0.2Eu0.2Gd0.2Dy0.2Er0.2)2Hf2O7 ceramic with superb resistance to radiation-induced amorphization.  JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,      [PMID:] [10.1016/j.jmst.2023.01.024]
20. Ling He, Ling Pan, Wei Zhou, Zibo Niu, Peng Xiao, Yang Li.  (2022)  Corrosion behavior of Yb4Hf3O12 ceramics exposed to Calcium-Ferrum-Alumina-Silicate (CFAS) coupled with water vapor at 1400 °C.  CORROSION SCIENCE,      [PMID:] [10.1016/j.corsci.2022.110954]
21. Fenglong Zhang, Fei Ruan, Jinxiao Bao, Yang Li, Yuwei Ma, Rui Chen.  (2022)  Effects of Y2O3 doping on the phase composition, chemical diffusion coefficient and electrochemical properties of CaHfO3 proton conductor.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2022.12.093]
22. Xiaozhang Chen, You Lv, Zhaobo Tian, Jingxi Yang, Yuan Zhu, Longxing Su.  (2022)  A two-terminal binary HfO2 resistance switching random access memory for an artificial synaptic device.  Journal of Materials Chemistry C,  11  (2): (622-629).  [PMID:] [10.1039/D2TC03454A]
23. Yao Li, Yu Wang, Jian Cui, Guo-Hua Zhang.  (2022)  Synthesis of high entropy carbide powders by low temperature processing.  International Journal of Applied Ceramic Technology,  20  (3): (1487-1503).  [PMID:] [10.1111/ijac.14287]
24. He Junjie, He Guo, Wang Panpan, Xu Lurun, Liu Jing, Tao Jingchao.  (2022)  Pyrochlore–fluorite dual-phase high-entropy RE2(Ce0.2Zr0.2Hf0.2Sn0.2Ti0.2)2O7 (RE2HE2O7, RE = La, Nd, Sm, Eu, Gd, Dy) ceramics with glass-like thermal conductivity.  JOURNAL OF MATERIALS SCIENCE,  57  (37): (17563-17576).  [PMID:] [10.1007/s10853-022-07734-3]
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26. Ling Pan, Ling He, Zibo Niu, Peng Xiao, Wei Zhou, Yang Li.  (2022)  Corrosion behavior of ytterbium hafnate exposed to water-vapor with Al(OH)3 impurities.  JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,      [PMID:] [10.1016/j.jeurceramsoc.2022.09.013]
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34. Zongjie Zhang, Balaji Devakumar, Shaoying Wang, Liangling Sun, Nan Ma, Wei Li, Xiaoyong Huang.  (2021)  Using an excellent near-UV-excited cyan-emitting phosphor for enhancing the color rendering index of warm-white LEDs by filling the cyan gap.  Materials Today Chemistry,      [PMID:] [10.1016/j.mtchem.2021.100471]
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45. Biyi Xu, Bing Huang, Hezhou Liu, Huanan Duan, Shengwen Zhong, Chang-An Wang.  (2017)  Influence of sintering additives on Li+ conductivity and electrochemical property of perovskite-type Li3/8Sr7/16Hf1/4Ta3/4O3.  ELECTROCHIMICA ACTA,      [PMID:] [10.1016/j.electacta.2017.03.041]
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48. Wenchao Lin, Pengrong Ren, Yuhui Wan, Shu Yang.  (2024)  Dielectric properties, electrical and thermal conductivity of BaTiO3 and SrTiO3-based high-entropy ceramics.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2024.175915]
49. Qihuang Deng, Hong Liu, Yangrui Wang, Maolin Bo, Tielin He, Xue Zhang, Yue Li, Jinliang Zhu, Yue Pei, Yefeng Feng.  (2024)  Dielectric property optimization of polymer nanocomposites using BaTiO3 based high-entropy ceramic filler with Dirac-cone effect.  PHYSICA B-CONDENSED MATTER,      [PMID:] [10.1016/j.physb.2024.415992]
50. Yutao Zhang, Xiaohua Zhang, Pei Zhang, Yongqi Zhang, Peng Shi, Zhenxing Yue.  (2024)  Domain engineered lead-free Bi0.5Na0.5TiO3-Bi(Ni0.5Hf0.5)O3 relaxor ferroelectric ceramics for energy storage with low electric field applications.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2024.110847]
51. Chuyun Wang, Youjun Lu, Jiahao Xu, Maohui Li, Wuyang Song, Jinfeng Li, Haibo Li, Hongfang Shen, Xiao Zhang, Yanmin Wang.  (2025)  Effect of graphene content on mechanical properties of (Hf0.2Nb0.2Ta0.2Ti0.2Zr0.2)N high-entropy bulk ceramics synthesized via spark plasma sintering.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2025.02.106]
52. Xinyu Ping, Bin Meng, Weixin Zeng, Ziran Chai, Zhengteng Wang, Xiaoyu Pan.  (2024)  Effects of element addition on the microstructure and thermophysical properties of seven-principal cations rare-earth high-entropy oxide.  Journal of Materials Research and Technology-JMR&T,      [PMID:] [10.1016/j.jmrt.2024.06.207]
53. Jingming Chan, Balaji Devakumar, Huanzhuo Gao, Xiaoyong Huang.  (2024)  Efficient violet-light-excitable blue-cyan-emitting Ca2YHf2GaAl2O12:Ce3+ garnet phosphors enable high-color-rendering full-spectrum warm-white LEDs.  Materials Today Chemistry,      [PMID:] [10.1016/j.mtchem.2024.102218]
54. Rulu Huang, Yue Wang, Feiyi Chen, Huai Liu, Rui Zhang, Wenlong Jia, Lincai Peng, Yong Sun, Junhua Zhang.  (2024)  Facile generation of unsaturated-coordinated and atomically-dispersed hafnium active sites for the highly efficient catalytic transfer hydrogenation of levulinic acid.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.154537]
55. Taihe Li, Rongjingxi Tang, Lurun Xu, Jingchao Tao, Guo He, Zhuguo Li, Dongshi Zhang.  (2025)  Femtosecond Laser Ablation of High-Entropy Ceramics RE2(Ce0.2Zr0.2Hf0.2Sn0.2Ti0.2)2O7 (RE = Sm, Eu, Er) in Liquid for Colloid Synthesis.  Journal of Physical Chemistry C,      [PMID:] [10.1021/acs.jpcc.4c04851]
56. Zifan Zhao, Ziyang Ruan, Rong Li, Shixiao Yan, Xiaoliang Sun, Chi Liu, Di Zhang, Bin Xu, Zhiyi Ren, Meng Wang, Jianyu Li, Jiang Tian, Yehua Jiang, Jing Feng, Yanchun Zhou.  (2024)  High entropy pyrochlore (La0.3Gd0.3Ca0.4)2(Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)2O7 ceramic with amorphous-like thermal conductivity for environmental/thermal barrier coating applications.  JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,      [PMID:] [10.1016/j.jmst.2024.02.089]
57. Hongyan Wan, Zenghui Liu, Wenhao Yang, Nan Zhang, Meng Shen, Zheyi An, Pan Gao, Guanjie Zhang, Jingrui Li, Gang Niu, Shenglin Jiang, Wei Ren, Zuo-Guang Ye.  (2024)  High strain and energy-storage density across a wide temperature range in fine PbHfO3 ceramics.  ACTA MATERIALIA,      [PMID:] [10.1016/j.actamat.2024.119715]
58. Yuhan Xiao, Weilin Jia, Mingrun Du, Zepeng Li, Yu Ma, Yunling Zou, Chenmiao Ma, Xueting Yi, Jingya Wang, Yuan Li, Huanbin Li.  (2025)  High-entropy (YxEr1-x)2(Ti0.2Zr0.2Hf0.2Ge0.2Sn0.2)2O7 oxide: A promising thermal barrier coating material with potential fluorescent Nondestructive Function.  Materials Science and Engineering B-Advanced Functional Solid-State Materials,      [PMID:] [10.1016/j.mseb.2025.118145]
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