Nickel(2+);oxalate
C2NiO4
nickel(2+);oxalate
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Identification
- CAS Number
- 547-67-1
- EC Number
- 208-933-7
- UN Number
- 3077
- Index Number
- 028-039-00-9
- PubChem CID
- 68354
Physical-chemical properties
- Molecular Formula
- C2NiO4
- Molar Mass
- 146.71 g/mol
- IUPAC Name
- nickel(2+);oxalate
Chemical Identifiers
- InChI
- InChI=1S/C2H2O4.Ni/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
- InChI Key
- DOLZKNFSRCEOFV-UHFFFAOYSA-L
Overview
Nickel(2+) oxalate (CAS 547-67-1) is an inorganic nickel salt compound with crystalline structure and significant toxicological properties requiring careful handling protocols. This nickel-based chemical compound represents an important industrial intermediate in various manufacturing processes, particularly where controlled nickel content is essential. The substance exhibits the characteristic properties of transition metal oxalates, forming stable crystalline structures that make it valuable in specialized applications. With its molecular formula C2NiO4 and molar mass of 146.71 g/mol, nickel(2+) oxalate demonstrates predictable stoichiometric behavior in chemical reactions. The compound carries significant safety considerations due to its classification as a Category 1A carcinogen and respiratory sensitizer. Its hazard profile includes potential for causing allergic skin reactions and acute aquatic toxicity, necessitating stringent handling procedures and environmental protection measures. The GHS08, GHS07, and GHS09 pictograms reflect these serious health and environmental hazards, while its ADR Class 9 classification affects transportation requirements. Industrial applications typically include use as a precursor in the synthesis of nickel-containing catalysts, where controlled decomposition produces highly active nickel surfaces. The compound also finds application in electroplating processes and specialized metallurgical operations. In the broader context of nickel compounds, it shares certain applications with related materials such as sulfanylidenenickel, though each exhibits distinct properties suited to specific industrial requirements. OYSI maintains technical-grade nickel(2+) oxalate availability for qualified industrial customers, supporting European chemical manufacturing operations with comprehensive documentation and regulatory compliance assistance.
Safety & Classification
Carc. 1A; STOT RE 1; Skin Sens. 1; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Skin Contact
Measures if substance contacts the skin
First Aid Actions
- +P302IF ON SKIN:
- +P352Wash with plenty of water.
- +P361Take off immediately all contaminated clothing.
- +P313Get medical advice/attention.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Tunnel Code | - |
| Proper Shipping Name | Nickeloxalat |
| Marine Pollutant | No |
Frequently Asked Questions
What is nickel(2+);oxalate?
Nickel(2+);oxalate is an inorganic compound with the molecular formula C2NiO4 and CAS number 547-67-1. This chemical substance consists of nickel ions in the +2 oxidation state combined with oxalate anions. It has a molecular weight of 146.71 g/mol and is classified as a hazardous substance due to its carcinogenic properties, respiratory toxicity, and skin sensitization potential.
What are the physicochemical properties of nickel(2+);oxalate?
Nickel(2+);oxalate is typically a crystalline solid at room temperature with a characteristic greenish color common to many nickel(II) compounds. The compound has limited solubility in water and exhibits stability under normal storage conditions. Its molecular structure consists of nickel cations coordinated with oxalate ligands, forming a stable complex with specific thermal and chemical properties.
What is nickel(2+);oxalate used for?
Nickel(2+);oxalate is primarily used in industrial applications including catalysis, electroplating processes, and as a precursor in the synthesis of other nickel compounds. It serves as an intermediate in metal processing operations and specialized chemical manufacturing. The compound finds applications in research and development activities, particularly in materials science and coordination chemistry studies.
How to handle nickel(2+);oxalate safely?
Nickel(2+);oxalate requires careful handling due to its carcinogenic and sensitizing properties. Essential personal protective equipment includes respiratory protection, chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid direct skin contact and implement strict hygiene measures including thorough handwashing after handling.
How to store nickel(2+);oxalate correctly?
Nickel(2+);oxalate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Keep containers away from heat sources and direct sunlight. Storage areas must be equipped with appropriate spill containment measures and restricted access due to the substance's hazardous classification. Maintain proper labeling and safety data sheets readily available.
What to do in case of contact with nickel(2+);oxalate?
Immediate action is required following exposure to nickel(2+);oxalate. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water and seek medical attention. If inhaled, move to fresh air and seek medical assistance. For ingestion, do not induce vomiting and contact poison control immediately.
How to dispose of nickel(2+);oxalate appropriately?
Nickel(2+);oxalate disposal must comply with local and international hazardous waste regulations due to its environmental toxicity classification. The substance requires treatment as hazardous waste and should never be disposed of in regular waste streams or sewage systems. Contact licensed hazardous waste disposal companies for proper collection, treatment, and disposal following applicable environmental protection guidelines.
How to transport nickel(2+);oxalate?
Nickel(2+);oxalate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. Proper packaging, labeling, and documentation are required according to dangerous goods regulations. Vehicles must carry appropriate placarding and emergency response information. Transportation should only be conducted by personnel trained in hazardous materials handling and regulatory compliance.
Is nickel(2+);oxalate subject to specific regulations?
Nickel(2+);oxalate is subject to comprehensive chemical safety regulations including REACH registration requirements and CLP classification as Carcinogenic Category 1A. The substance requires safety data sheets, proper hazard communication, and compliance with occupational exposure limits. Additional restrictions may apply for certain uses due to its carcinogenic classification and environmental hazard profile under European chemical legislation.
Where to buy nickel(2+);oxalate in Europe?
Nickel(2+);oxalate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this hazardous substance to qualified industrial customers with proper handling capabilities and regulatory compliance. Purchase requires verification of intended use, appropriate safety measures, and adherence to applicable chemical safety regulations for carcinogenic substances.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.