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Merck

403024

Sigma-Aldrich

乙酸钴 四水合物

ACS reagent, ≥98.0%

别名:

醋酸钴 四水合物

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About This Item

线性分子式:
(CH3COO)2Co · 4H2O
CAS号:
分子量:
249.08
Beilstein:
3731397
EC號碼:
MDL號碼:
分類程式碼代碼:
12352103
PubChem物質ID:
NACRES:
NB.24

等級

ACS reagent

品質等級

化驗

≥98.0%
98.0-102.0% (ACS specification)

形狀

crystalline powder
granular

反應適用性

reagent type: catalyst
core: cobalt

雜質

≤0.01% insolubles

負離子痕跡

chloride (Cl-): ≤0.002%
nitrate (NO3-): ≤0.01%
sulfate (SO42-): ≤0.005%

正離子痕跡

Ca: ≤0.005%
Cu: ≤0.002%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.005%
Na: ≤0.05%
Ni: ≤0.1%
Pb: ≤0.001%
Zn: ≤0.01%

SMILES 字串

[H]O[H].[H]O[H].[H]O[H].[H]O[H].CC(=O)O[Co]OC(C)=O

InChI

1S/2C2H4O2.Co.4H2O/c2*1-2(3)4;;;;;/h2*1H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2

InChI 密鑰

ZBYYWKJVSFHYJL-UHFFFAOYSA-L

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應用

乙酸钴(II)四水合物可用于合成以下物质:
  • 钴纳米粒子
  • 钴(II)-氨基苯基四唑盐配位聚合物
  • 具有混合的 μ-乙酸酯和 μ-吡唑拉托配体的三钴配合物

訊號詞

Danger

危險分類

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 3


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Mechanism of thermal decomposition of cobalt acetate tetrahydrate.
Wanjun T and Donghua C.
Chemical Papers, 61(4), 329-332 (2007)
Eagleson M
Concise Encyclopedia Chemistry, 241-241 (1994)
Cobalt nanoparticles synthesis from Co(CH3COO)2 by thermal decomposition.
Shao H, et al.
Journal of magnetism and magnetic materials, 304(1), 28-30 (2006)
Tiffany M Smith et al.
Dalton transactions (Cambridge, England : 2003), 43(19), 7263-7268 (2014-04-01)
The hydrothermal reaction of cobalt(II) acetate tetrahydrate, 4-aminophenyl tetrazole and water at 135 °C for 48 hours provided orange crystals of [Co3(OH)2(H2O)2(aptet)4] (1) (aptet = 4-aminophenyltetrazolate). The three-dimensional structure of compound 1 is constructed from chains of corner- and edge-sharing
A synthetic strategy for a new series of oxo-centered tricobalt complexes with mixed bridging ligands of acetate and pyrazolate anions.
Yoshida J, et al.
Dalton Transactions, 42(7), 2406-2413 (2013)

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