1,2-Cyclohexanedione dioxime
1,2-Cyclohexanedione dioxime (CAS 492-99-9), with the molecular formula C6H8(=NOH)2 and a molar mass of 142.16 g/mol, is a nitrogen-containing organic building block. This compound is primarily recognised for its ability to form stable complexes with transition metals such as cobalt, iron, and nickel. It is supplied by Tech Serve Solutions with an assay of 96% and is suitable for various chemical synthesis applications.
- IUPAC
- Nioxime
- Synonyms
- Nioxime

Metal Complexation
1,2-Cyclohexanedione dioxime is a key reagent for forming complexes with transition metals. It exhibits a strong affinity for cobalt, iron, and nickel, making it valuable in analytical chemistry and coordination chemistry studies.
Organic Synthesis
As an oxime derivative, this compound serves as a versatile building block in organic synthesis. Its functional groups allow for further chemical modifications and incorporation into larger molecular structures.
Analytical Reagent
The selective complexation properties of 1,2-Cyclohexanedione dioxime can be utilised in analytical methods for the detection and quantification of specific metal ions in various matrices.
| Molecular weight | 142.16 |
|---|---|
| Linear formula | C6H8(=NOH)2 |
| Assay | 96% |
| Storage temperature | 2-8°C |
| Application | Forms complexes with Co, Fe and Ni. |
| Melting point | 185-188 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Ignition residue | ~0.5% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,2-Cyclohexanedione dioxime used for?
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1,2-Cyclohexanedione dioxime is primarily used for forming complexes with cobalt, iron, and nickel, and serves as a building block in chemical synthesis and analytical chemistry.
What is the CAS number and formula for 1,2-Cyclohexanedione dioxime?
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The CAS number is 492-99-9 and the linear formula is C6H8(=NOH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Cyclohexanedione dioxime with a minimum purity of 96%. This is a technical grade suitable for research and synthesis, and is not represented as USP, BP, or EP grade.
How should 1,2-Cyclohexanedione dioxime be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Store under refrigeration at 2-8°C.
Is 1,2-Cyclohexanedione dioxime a controlled substance?
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Based on the provided data, 1,2-Cyclohexanedione dioxime is not listed as a controlled substance.
How is 1,2-Cyclohexanedione dioxime shipped and exported?
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1,2-Cyclohexanedione dioxime is carefully packed and exported by Tech Serve Solutions, adhering to all relevant shipping and regulatory requirements for chemical compounds.
How can I request a quote or sample?
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To request a quote or a sample of 1,2-Cyclohexanedione dioxime, please contact our sales team through the website or by phone.
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