Nickel(II) oxalate dihydrate
Nickel(II) oxalate dihydrate (CAS: 6018-94-6; NiC2O4 · 2H2O) is a green crystalline powder with a molecular weight of 182.74 g/mol. This high-purity nickel salt is primarily utilised in materials science and metal and ceramic research. Its specific chemical properties make it a valuable component in advanced material synthesis and for investigating nickel-based compounds.

Materials Science Research
Nickel(II) oxalate dihydrate serves as a precursor in the synthesis of various nickel-containing materials. It is employed in research settings for developing novel alloys, catalysts, and functional coatings due to its defined stoichiometry and reactivity.
Ceramic and Metal Science
This compound finds application in the study and development of advanced ceramics and metallic materials. It can be used in processes requiring precise control over nickel incorporation into complex material structures.
Chemical Synthesis
As a source of nickel ions, Nickel(II) oxalate dihydrate is used in specialized chemical synthesis pathways. Its controlled decomposition can yield nickel oxides or metallic nickel nanoparticles for specific industrial or research applications.
| Molecular weight | 182.74 |
|---|---|
| Linear formula | NiC2O4 · 2H2O |
| Assay | 99.999% trace metals basis |
| Form | powder |



Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H350I
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 49-21/22-43-48/23-50/53 |
| Safety statements (S) | 53-36/37-45-60-61 |
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 Nickel(II) oxalate dihydrate used for?
+
Nickel(II) oxalate dihydrate is primarily used in materials science and metal and ceramic research as a precursor for synthesizing nickel-containing materials and in specialized chemical synthesis.
What are the CAS number and formula for Nickel(II) oxalate dihydrate?
+
The CAS number is 6018-94-6 and the chemical formula is NiC2O4 · 2H2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Nickel(II) oxalate dihydrate with an assay of 99.999% on a trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Nickel(II) oxalate dihydrate be handled?
+
Nickel(II) oxalate dihydrate is harmful if swallowed or in contact with skin, causes skin irritation, may cause an allergic skin reaction, is suspected of causing cancer by inhalation, causes damage to organs through prolonged or repeated exposure, and is very toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment in a well-ventilated area. Avoid exposure and release to the environment.
Is Nickel(II) oxalate dihydrate shipped internationally?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Nickel(II) oxalate dihydrate, and can facilitate international shipments.
How can I request a quote or sample?
+
To request a quote or a sample of Nickel(II) oxalate dihydrate, please contact our sales department through the website or by phone.
▶ Related products

Sodium bisulfate monohydrate
Salts

Aluminum acetate, basic
Salts

Aluminum fluoride
AlF3
Salts
Aluminum fluoride trihydrate
AlF3·3H2O
Salts
Aluminum hydroxide
Al(OH)3
Salts
Aluminum hydroxide hydrate
Al(OH)3 · xH2O
Salts
Aluminum iodide
AlI3
Salts
Aluminum metaphosphate
Al(PO3)3
Salts▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis