Tungsten selenide - ≥99.8% metals basis , CAS No.12067-46-8

CAS: 12067-46-8 Cat. No.: T119286 Molecular Weight: 341.77 EC Number: 235-078-7 PubChem CID: 82910

GRADE & PURITY ≥99.8% metals basis

Synonyms

DTXSID8065240 | Tungsten( cento) selenide | Tungsten selenide (WSe2) | AKOS024256371 | Tungsten diselenide | Q2592220 | Tungsten selenide | MFCD00049703 | Tungsten diselenide, Crystal, 99.995% | Tungsten(IV) selenide | Chromium Fluoride (CrF3) Sputtering

Storage

Room temperature

Shipped In

Normal

Specifications

Synonyms

DTXSID8065240 | Tungsten( cento) selenide | Tungsten selenide (WSe2) | AKOS024256371 | Tungsten diselenide | Q2592220 | Tungsten selenide | MFCD00049703 | Tungsten diselenide, Crystal, 99.995% | Tungsten(IV) selenide | Chromium Fluoride (CrF3) Sputtering

Specifications & Purity

≥99.8% metals basis

Storage

Room temperature

Shipped In

Normal

Purity

≥99.8% metals basis

Names and Identifiers

• Canonical Smiles: [Se]=[W]=[Se]
• IUPAC Name: bis(selanylidene)tungsten
• InChIKey: ROUIDRHELGULJS-UHFFFAOYSA-N
• INCHI: 1S/2Se.W
• Isomeric SMILES: [Se]=[W]=[Se]
• PubChem CID: 82910
• UN Number: 3281
• Packing Group: III
• Molecular Weight: 341.77

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Miscellaneous mixed metal/non-metals

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Miscellaneous mixed metal/non-metals
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Miscellaneous mixed metal/non-metals
• Alternative Parents: Inorganic selenides Inorganic salts
• Molecular Framework: Not available
• Substituents: Inorganic selenide - Inorganic salt - Miscellaneous mixed metal/non-metal
• Description: This compound belongs to the class of inorganic compounds known as miscellaneous mixed metal/non-metals. These are inorganic compounds containing non-metal as well as metal atoms but not belonging to afore mentioned classes.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Molecular Weight: 341.800 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 343.784 Da
• Monoisotopic Mass: 343.784 Da
• Topological Polar Surface Area: 0.000 Ų
• Heavy Atom Count: 3
• Formal Charge: 0
• Complexity: 18.300
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

XLogP3

References

1. Li Tan, Yiming Chen, Didi Li, Shaobin Wang, Zhimin Ao.  (2022)  WSe2/g-C3N4 for an In Situ Photocatalytic Fenton-like System in Phenol Degradation.  Nanomaterials,  12  (18): (3089).  [PMID:36144876] [10.3390/nano12183089]

2. Wei Wu, Liping Tong, Han Zhou, Tongxiang Fan.  (2022)  Combined Experimental and DFT Study on 2D MoSe2 toward Low Infrared Emissivity.  ADVANCED FUNCTIONAL MATERIALS,  32  (28): (2201906).  [PMID:] [10.1002/adfm.202201906]

3. Shi Yi, Ma Zhi-Rui, Xiao Yi-Ying, Yin Yun-Chao, Huang Wen-Mao, Huang Zhi-Chao, Zheng Yun-Zhe, Mu Fang-Ya, Huang Rong, Shi Guo-Yue, Sun Yi-Yang, Xia Xing-Hua, Chen Wei.  (2021)  Electronic metal–support interaction modulates single-atom platinum catalysis for hydrogen evolution reaction.  Nature Communications,  12  (1): (1-11).  [PMID:34021141] [10.1038/s41467-021-23306-6]

4. Haimei Yang, Qianghong Zhao, Xian Wang, Yu Wu, Yuchen Su, Weili Wei.  (2021)  Facile and highly selective sensing of hypochlorous acid in aqueous solution and living cells by using as-prepared WSe2 quantum dots.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2021.129782]

5. Yichun Wang, Xin Zhang, Peixun Xiong, Fuxing Yin, Yunhua Xu, Biao Wan, Qingzhou Wang, Gongkai Wang, Puguang Ji, Huiyang Gou.  (2018)  Insight into the intercalation mechanism of WSe2 onions toward metal ion capacitors: sodium rivals lithium.  Journal of Materials Chemistry A,  6  (43): (21605-21617).  [PMID:] [10.1039/C8TA09286A]

6. Hong Li, Zhijian Peng, Jingwen Qian, Meng Wang, Chengbiao Wang, Xiuli Fu.  (2017)  C Fibers@WSe2 Nanoplates Core–Shell Composite: Highly Efficient Solar-Driven Photocatalyst.  ACS Applied Materials & Interfaces,      [PMID:28800215] [10.1021/acsami.7b10376]

7. Man Wang, Xiaowei Xu, Yuancai Ge, Pei Dong, Robert Baines, Pulickel M. Ajayan, Mingxin Ye, Jianfeng Shen.  (2017)  Surface Tension Components Ratio: An Efficient Parameter for Direct Liquid Phase Exfoliation.  ACS Applied Materials & Interfaces,      [PMID:28240533] [10.1021/acsami.6b16578]

8. Jiaojiao Zhou, Yuantao Liu, Xuqin Lv, Jilai Jia, Xiaoping Du, Jiangling He, Fang Xie, Zia-ud Din, Jie Cai.  (2024)  Aptamers Adsorbed on WSe2 Nanosheets in a Label-Free Colorimetric Aptasensor for Ochratoxin A.  ACS Applied Nano Materials,      [PMID:] [10.1021/acsanm.3c05483]

9. Zihao Dong, Qihang Zhang, Kai Liu, Zongyan Zuo, Qian-Jin Wang, Wenfeng Zhang, Yingkai Liu, Yan-Qing Lu, Yongyuan Zhu, Xuejin Zhang.  (2024)  Broadband Excitonic Near-Infrared Photoresponse at the van der Waals Heterostructure/Metal Interface.  ACS Photonics,      [PMID:] [10.1021/acsphotonics.4c01094]

10. Jiehua Zhang, Baobao Xu, Yiyi Yang, Zhixin Xie, Haihua Xu.  (2025)  Dual-Terminal Ion-Modulation Multiplier-Based Ion-Doped Stacked Semiconducting Nanosheets for Multifunctional Biomedical Applications.  ACS Applied Materials & Interfaces,      [PMID:40048152] [10.1021/acsami.4c18930]

11. Xiaodao Liang, Chenghao Zhang, Yaorong He, Yanxiong Fang, Hongyu Chen, Hongbing Ji, Yan Yang.  (2024)  Heterogenous Epoxidation of Isobutene Selectively Enabled by MoSe2 in Hexafluoroisopropanol (HFIP).  MOLECULES,  29  (24): (5844).  [PMID:39769932] [10.3390/molecules29245844]

12. Haimei Yang, Zixuan Ding, Jiayin Du, Xianlin He, Jianan Huang.  (2024)  Optical activity invertible chiral WSe2 quantum dots as intracellular redox state indicator and regulator.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.149839]

13. Yujuan Hu, Kelin Hu, Jing Zhang, Yuxiao Jiang, Tao He, Yu He, Rujing Yan.  (2024)  WSe2 modified monocrystalline SnSe2 nanosheets for hydrogen gas detection and its sensing mechanism.  INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,      [PMID:] [10.1016/j.ijhydene.2024.05.202]

14. Shiqi Song, Xiao Miao, Yanming Yang, Changqing Zhu, Guina Ren, Bo Ge.  (2024)  A WSe2 based hydrogel evaporator for water purification and solar desalination.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.128323]

15. Shi Yi, Huang Wen-Mao, Li Jian, Zhou Yue, Li Zhong-Qiu, Yin Yun-Chao, Xia Xing-Hua.  (2020)  Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts.  Nature Communications,  11  (1): (1-9).  [PMID:32917900] [10.1038/s41467-020-18430-8]

16. Yuedong Wang, Jindong Bai, Zhiyi Liu, Xiao Guo, Fangyan Ang, Yuli Huang, Haipeng Xie, Han Huang.  (2025)  WxMo1-xO2 Nanocrystals Synthesized by WSe2-Assisted Chemical Vapor Deposition Method.  Physica Status Solidi-Rapid Research Letters,      [PMID:] [10.1002/pssr.202400407]

17. Zhendong Ma, Zhijia Cui, Shunxiang Wang, Zhicheng Lin, Jiying Wei, Yongjin Zou, Lixian Sun, Heinz-Bernhard Kraatz, Cuili Xiang.  (2025)  S-doped wse2@polyaniline heterojunction: Electronic structure modulation and interfacial synergistic effects drive ultrasensitive ammonia gas sensing at room temperature.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2025.139105]

18. Wenjun Liu, Tao Zhang, Canlei Wu, Dachuan Zhang, Guoyi Zhao, Shukai Wang, Zishen Fang, Xiubin Li, Kenji Watanabe, Takashi Taniguchi, Jing Li.  (2025)  Topotactic Conversion of Two-Dimensional WSe2 into Atomically Thin Nonlayered Metal Nitrides.  ACS Applied Materials & Interfaces,      [PMID:41349965] [10.1021/acsami.5c19353]

19. Zhang Qi-hang, Dong Zi-hao, Liu Kai, Fu Shao-jie, Hong Xu-hao, Cao Yu-lin, Zhang Chao, Du Jun, Lu Yan-qing, Zhu Yong-yuan, Chen Yan-feng, Zhang Xue-jin.  (2026)  Anapole-state-enhanced 2D chiral photodetector operating in the near-infrared second window.  Nature Communications,      [PMID:41708660] [10.1038/s41467-026-69727-z]