Cobalt hydroxide - ≥99.9% metals basis , CAS No.21041-93-0

CAS: 21041-93-0 Cat. No.: C109726 Molecular Weight: 92.95 EC Number: 244-166-4 PubChem CID: 10129900
AVAILABLE TO ORDER
GRADE & PURITY ≥99.9% metals basis
Synonyms
FT-0624012 | cobalt(2+);dihydroxide | COBALTOUS HYDROXIDE [MI] | AKOS015833769 | EINECS 235-763-0 | J-013794 | ASKVAEGIVYSGNY-UHFFFAOYSA-L | Cobaltous hydroxide | Cobalthydroxide | AKOS015912585 | CefamandoleNafate | A815089 | H2CoO2
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
C109726-5g
3
$9.90
25g
C109726-25g
2
$27.90
100g
C109726-100g
2
$65.90
500g
C109726-500g
2
$248.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥99.9% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Argon charged,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.

📚

Literature proof

Cited in 16 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Cobalt(II) hydroxide is used as a drying agent, as a catalyst, and in the preparation of other cobalt compounds.

Specifications

Synonyms
FT-0624012 | cobalt(2+);dihydroxide | COBALTOUS HYDROXIDE [MI] | AKOS015833769 | EINECS 235-763-0 | J-013794 | ASKVAEGIVYSGNY-UHFFFAOYSA-L | Cobaltous hydroxide | Cobalthydroxide | AKOS015912585 | CefamandoleNafate | A815089 | H2CoO2
Specifications & Purity
≥99.9% metals basis
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥99.9% metals basis
Names and Identifiers
Isomeric SMILES [OH-].[OH-].[Co+2]
WGK Germany 3
RTECS GG0904500
PubChem CID 10129900
Molecular Weight 92.95

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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

16 results found

Lot NumberCertificate TypeDateItem
G2101090Certificate of AnalysisApr 03, 2025 C109726
G2101101Certificate of AnalysisApr 03, 2025 C109726
D2403384Certificate of AnalysisMar 11, 2024 C109726
D2403381Certificate of AnalysisMar 11, 2024 C109726
C1610290Certificate of AnalysisOct 09, 2023 C109726
E2422082Certificate of AnalysisAug 02, 2023 C109726
E2422083Certificate of AnalysisAug 02, 2023 C109726
E2422084Certificate of AnalysisAug 02, 2023 C109726
E2627070Certificate of AnalysisAug 02, 2023 C109726
F2511016Certificate of AnalysisAug 02, 2023 C109726
G2327029Certificate of AnalysisAug 02, 2023 C109726
G2515662Certificate of AnalysisAug 02, 2023 C109726
A1909079Certificate of AnalysisNov 17, 2022 C109726
B2301914Certificate of AnalysisMay 11, 2021 C109726
C2309006Certificate of AnalysisMay 11, 2021 C109726
J2326102Certificate of AnalysisMay 11, 2021 C109726

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Chemical and Physical Properties
SolubilitySoluble in acids and ammonia. Very slightly soluble in water. Insoluble in dilute alkalis.
Sensitivityair and Moisture sensitive
Melt Point(°C)250°C
Molecular Weight92.948 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass92.9387 Da
Monoisotopic Mass92.9387 Da
Topological Polar Surface Area2.000 Ų
Heavy Atom Count3
Formal Charge0
Complexity0.000
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 Count3
Documents & Articles
Citations of This Product
References
1. Zhenteng Sheng, Hui Zhou, Yuhua Zhang, Jinlin Li, Li Wang.  (2023)  Sheet-Like Morphology CuO/Co3O4 Nanocomposites for Enhanced Catalysis in Hydrogenation of CO2 to Methanol.  Nanomaterials,  13  (24): (3153).  [PMID:38133050] [10.3390/nano13243153]
2. Yuxiu Sun, Yunshuo Gao, Chenxu Geng, Zhengqing Zhang, Zhihua Qiao, Chongli Zhong.  (2023)  Improved CO2/N2 separation performance by relatively continuous and defect-free distribution of IL-encapsulated ZIF-67 in ion gel membranes.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2023.121818]
3. Meng Li, Yujie Huang, Jiaqi Lin, Meize Li, Mengqi Jiang, Linfei Ding, Dongmei Sun, Kai Huang, Yawen Tang.  (2022)  Carbon Nanotubes Interconnected NiCo Layered Double Hydroxide Rhombic Dodecahedral Nanocages for Efficient Oxygen Evolution Reaction.  Nanomaterials,  12  (6): (1015).  [PMID:35335828] [10.3390/nano12061015]
4. Genghuang Wu, Linmin Zhao, Mingsheng Zong, Peng Yu, Jingxin Xie, Zhijian Da, Hongyang Liu, Junfeng Rong.  (2021)  Facile fabrication of graphene encapsulating 3d transition metal nanoparticles as highly active and anti-poisoning catalysts for selective hydrogenation of nitroaromatics.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:34739991] [10.1016/j.jcis.2021.10.105]
5. Yan Yubing.  (2021)  Facile Synthesis of Carbon Cloth Supported Cobalt Carbonate Hydroxide Hydrate Nanoarrays for Highly Efficient Oxygen Evolution Reaction.  Frontiers in Chemistry,      [PMID:34513801] [10.3389/fchem.2021.754357]
6. Huimin Niu, Zhiruo Wu, Zhong-ting Hu, Jinghuan Chen.  (2021)  Imidazolate-mediated synthesis of hierarchical flower-like Co3O4 for the oxidation of toluene.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2021.111434]
7. Xuerong Zhou, Xiang Li, Roel Prins, Jinyin Lv, Anjie Wang, Qiang Sheng.  (2020)  Hydrodesulfurization of dibenzothiophene and its hydrogenated intermediates over bulk CoP and Co2P catalysts with stoichiometric P/Co ratios.  JOURNAL OF CATALYSIS,      [PMID:] [10.1016/j.jcat.2020.08.030]
8. Shangbo Ning, Hua Xu, Yuhang Qi, Lizhu Song, Qiqi Zhang, Shuxin Ouyang, Jinhua Ye.  (2020)  Microstructure Induced Thermodynamic and Kinetic Modulation to Enhance CO2 Photothermal Reduction: A Case of Atomic-Scale Dispersed Co–N Species Anchored Co@C Hybrid.  ACS Catalysis,      [PMID:] [10.1021/acscatal.9b04963]
9. Zhaoliang Shi, Yuzun Fan, Wei Zhou, Lin Guo.  (2019)  Sandwich-type nanoporous CoO/N-doped carbon multi-layers with ultrahigh lithium storage and long-life stability.  Journal of Materials Chemistry A,  (17): (10610-10618).  [PMID:] [10.1039/C9TA01046G]
10. Dandan Li, Man He, Beibei Chen, Bin Hu.  (2018)  Metal organic frameworks-derived magnetic nanoporous carbon for preconcentration of organophosphorus pesticides from fruit samples followed by gas chromatography-flame photometric detection.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:30442472] [10.1016/j.chroma.2018.11.012]
11. Zhe Xu, Wenchao Li, Xiaohui Wang, Bing Wang, Zhan Shi, Cheng Dong, Shicheng Yan, Zhigang Zou.  (2018)  Novel Cobalt Germanium Hydroxide for Electrochemical Water Oxidation.  ACS Applied Materials & Interfaces,      [PMID:30137963] [10.1021/acsami.8b09247]
12. Lijin Huang, Man He, Beibei Chen, Bin Hu.  (2018)  Facile Fabrication of N-Doped Magnetic Porous Carbon for Highly Efficient Mercury Removal.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.8b01498]
13. Yimei Wang, Bing Liu, Kecheng Huang, Zehui Zhang.  (2014)  Aerobic Oxidation of Biomass-Derived 5-(Hydroxymethyl)furfural into 2,5-Diformylfuran Catalyzed by the Trimetallic Mixed Oxide (Co–Ce–Ru).  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/ie4034363]
14. Long Yang, Wenbo Hu, Ruida Cao, Qingqing Zhou, Chencheng Hu, Biao Dong, Hongwei Song, Lin Xu.  (2025)  Liquid metal modified all-nanofiber triboelectric nanogenerator for energy harvesting and multi-functional self-powered sensing.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164372]
15. Xuyao Duo, Zhonghui Hu, Hengkang Pan, Bingxu Chen, Fengchen Zhou, Panpan Liu, Yifan Zhang, Wen Luo, Zailai Xie, Runhai Ouyang, Xing Huang, Jia Yu, Yuanqing Wang.  (2025)  Unveiling the influence of electrolyte pH on the structural evolution of cobalt oxide pre-catalyst in oxygen evolution reaction.  JOURNAL OF CATALYSIS,      [PMID:] [10.1016/j.jcat.2025.116355]
16. Jing Xuan, Olga Kelebogile Mmelesi, Yali Yao, Zhen Wang, Shuai Lyu, Xiao Xu, Zhiyan He, Jie Yang, Ping Xiao, Junjiang Zhu.  (2026)  Atomic-level engineering of lanthanum single atoms in Co3O4: Oxygen vacancy-mediated electronic modulation for catalytic oxidation reaction.  JOURNAL OF RARE EARTHS,      [PMID:] [10.1016/j.jre.2026.02.016]
Solution Calculators
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