COBALT(II) SELENIDE

Base Information

• Chemical Name: COBALT(II) SELENIDE
• CAS No.: 1307-99-9
• Deprecated CAS: 2687240-90-8
• Molecular Formula: Co₀Se
• Molecular Weight: 129.104
• European Community (EC) Number: 215-155-1
• DSSTox Substance ID: DTXSID6061652
• Wikipedia: Cobalt(II) selenide
• Wikidata: Q5138695
• Mol file: 1307-99-9.mol

Synonyms:Cobaltmonoselenide; Cobalt selenide; Cobaltous selenide

Chemical Property of COBALT(II) SELENIDE

Chemical Property:

• Melting Point: 1055°C
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: g/cm³
• LogP: -0.26830
• Solubility.: Soluble in HNO{3}, aqua regia
• Water Solubility.: soluble HNO3, aqua regia; insoluble alkali [KIR79]
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 138.84972
• Heavy Atom Count: 2
• Complexity: 2

Purity/Quality:

98%Min ^*data from raw suppliers

Cobalt(II) selenide, 99+% (metals basis) ^*data from reagent suppliers

Safty Information:

• Hazard Codes: T,N
• Statements: 23/25-33-50/53
• Safety Statements: 20/21-28-45-60-61

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: [Co]=[Se]

Technology Process of COBALT(II) SELENIDE

There total 22 articles about COBALT(II) SELENIDE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 92.0%

selenium (7782-49-2) + cobalt (7440-48-4) → cobalt selenide (1307-99-9)

Guidance literature:

In ethylenediamine; Co and Se were mixed in autoclave, Et2NH was added, heated at 140°C for 12 h, cooled to room temp.; collected, filtered, washed with EtOH, dried in vac. at 60°C for4 h;

DOI:10.1006/jssc.2000.8727

Reference yield:

Li1.97Co1.04Se1.05O0.93 + water (7732-18-5) → cobalt (II) selenide (1307-99-9) + lithium hydroxide monohydrate (1310-66-3) + cobalt diselenide

Guidance literature:

With air; at 20 ℃; for 0.5h;

DOI:10.1021/acs.inorgchem.8b01850

Reference yield:

cobalt(II) chloride hexahydrate + selenium tetrachloride (10026-03-6) → cobalt selenide (1307-99-9)

Guidance literature:

With hydrazine hydrate; In water; at 180 ℃; for 18h; High pressure; Autoclave;

DOI:10.1016/j.molliq.2016.03.062

upstream raw materials:

selenium

cobalt

cobalt(II)

hydrogen selenide

Refernces

• 1、 Guo, Zhongnan,Yan, Xiaoxiao,Zheng, Lirong,Han, Xue,Wu, Dan,Liu, Ning,Sun, Fan,Wang, Da,Yuan, Wenxia. "Tunable K vacancies in K1? xCo2Se2 and their effects on structure and ferromagnetism". . . Retrieved 2019.
• 2、 Gong, Feng,Wang, Hong,Xu, Xin,Zhou, Gang,Wang, Zhong-Sheng. "In situ growth of Co0.85Se and Ni0.85Se on conductive substrates as high-performance counter electrodes for dye-sensitized solar cells". . p. 10953 - 10958. Retrieved 2012.
• 3、 Wang, Cao,Tan, Ming-Qiu,Feng, Chun-Mu,Ma, Zhi-Feng,Jiang, Shuai,Xu, Zhu-An,Cao, Guang-Han,Matsubayashi, Kazuyuki,Uwatoko, Yoshiya. "La2Co2Se2O3: A quasi-two-dimensional mott insulator with unusual cobalt spin state and possible orbital ordering". . p. 7069 - 7073. Retrieved 2010.
• 4、 Ladizhansky,Faraggi,Lyahovitskaya,Vega. "NMR study of the diluted magnetic semiconductor alloys Cd1-xMnxSe, Cd1-xCoxSe, and Cd1-xFexSe". . p. 6712 - 6718. Retrieved 1997.
• 5、 Sobhani, Azam,Salavati-Niasari, Masoud. "Hydrothermal synthesis of CoSe nanostructures without using surfactant". . p. 334 - 338. Retrieved 2016.
• 6、 Zhang, Zai-Xian,Wang, Xian-Wen,Wu, Kong-Lin,Yue, Yao-Xiang,Zhao, Meng-Li,Cheng, Juan,Ming, Jiang,Yu, Chang-Jiang,Wei, Xian-Wen. "Co0.85Se bundle-like nanostructure catalysts for hydrogenation of 4-nitrophenol to 4-aminophenol". . p. 6147 - 6151. Retrieved 2014.
• 7、 Zhan,Yang,Li,Xie,Yu,Qian. "Synthesis of nanocrystalline cobalt selenide in nonaqueous solvent". . p. 537 - 539. Retrieved 2000.
• 8、 Zhu, Yirong,Yun, Xiaoru,Li, Jingying,Xiang, Kaixiong,Xiao, Li,Chen, Han,Chen, Xianhong. "An investigation of the electrochemical behaviors of M0.85Se (M=Ni, Co) materials for alkaline aqueous battery". . p. A3723 - A3731. Retrieved 2018.