Tricopper diarsorate

As2Cu3O8

tricopper diarsorate

CAS7778-41-8

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Identification

CAS Number
7778-41-8
EC Number
233-286-2
UN Number
1557
Index Number
033-005-00-1
PubChem CID
26065

Physical-chemical properties

Molecular Formula
As2Cu3O8
Molar Mass
468.48 g/mol
IUPAC Name
tricopper diarsorate

Chemical Identifiers

InChI
InChI=1S/2AsH3O4.3Cu/c2*2-1(3,4)5;;;/h2*(H3,2,3,4,5);;;/q;;3*+2/p-6
InChI Key
RKYSWCFUYJGIQA-UHFFFAOYSA-H

Overview

Tricopper diarsorate (CAS 7778-41-8) is an inorganic arsenate compound with distinctive copper-arsenic coordination properties and industrial catalyst applications. This copper-arsenate complex represents an important class of mixed-metal inorganic compounds, characterized by its molecular formula As2Cu3O8 and molecular weight of 468.48 g/mol. The compound features a unique structural arrangement where three copper atoms are coordinated with two arsenate groups, creating a stable crystalline matrix that exhibits specific chemical and physical properties valuable in various industrial processes. From a safety perspective, tricopper diarsorate is classified under ADR Class 6.1, indicating its toxic nature, which requires careful handling protocols and appropriate safety measures during storage, transport, and processing. Despite the absence of specific GHS pictograms in current classifications, the compound's arsenic content necessitates strict adherence to occupational exposure limits and environmental protection standards. Personnel working with this material should implement comprehensive safety procedures including proper ventilation, personal protective equipment, and regular monitoring protocols. The compound finds primary applications in specialized catalyst systems, particularly in organic synthesis reactions where its mixed-metal composition provides unique catalytic properties. Industrial uses also extend to certain metallurgical processes and as an intermediate in the production of other copper-arsenate compounds. Unlike simpler aromatic compounds such as 4-nitroaniline or 4-nitrophenol, tricopper diarsorate's inorganic nature makes it particularly suitable for high-temperature industrial applications where organic catalysts would decompose. OYSI maintains reliable supply chains for tricopper diarsorate, ensuring consistent availability for European industrial customers requiring this specialized inorganic compound.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number1557
ADR Class6.1
Packing GroupII
Tunnel CodeD/E
Proper Shipping NameKupfer(II)-arsenat
Marine PollutantNo

Frequently Asked Questions

What is tricopper diarsorate?

Tricopper diarsorate is an inorganic chemical compound with the molecular formula As2Cu3O8 and CAS number 7778-41-8. This copper arsenate compound has a molecular weight of 468.48 g/mol and contains both copper and arsenic elements in its crystalline structure. It appears as a solid material and belongs to the family of metal arsenates, combining copper ions with arsorate groups to form a stable compound used in various industrial applications.

What are the physicochemical properties of tricopper diarsorate?

Tricopper diarsorate is a solid crystalline compound at room temperature with the molecular formula As2Cu3O8. As a copper arsenate, it typically appears as a colored solid, likely green or blue-green due to the presence of copper ions. The compound has a molecular weight of 468.48 g/mol and exhibits limited solubility in water. Its stability and specific physical properties make it suitable for specialized industrial applications requiring controlled release or specific chemical interactions.

What is tricopper diarsorate used for?

Tricopper diarsorate is primarily used in specialized industrial applications where both copper and arsenic properties are required. Common applications include use as a catalyst in certain chemical processes, as a component in specialized ceramics and glass formulations, and in research applications. Its unique combination of copper and arsenate groups makes it valuable in materials science and specialized manufacturing processes where controlled metal ion release or specific chemical reactivity is needed.

How to handle tricopper diarsorate safely?

Tricopper diarsorate should be handled with appropriate personal protective equipment including gloves, safety glasses, and protective clothing due to its arsenic content. Work in well-ventilated areas or under fume extraction systems to prevent inhalation of dust particles. Avoid skin contact and ingestion, and wash hands thoroughly after handling. Despite having no assigned GHS pictograms, treat this compound with caution due to the presence of both copper and arsenic components in its structure.

How to store tricopper diarsorate correctly?

Tricopper diarsorate should be stored in tightly sealed containers in a cool, dry place away from moisture and incompatible materials. Keep containers properly labeled and store in designated chemical storage areas with appropriate ventilation. Avoid storage near acids, strong bases, or reducing agents that might react with the copper or arsenate components. Ensure storage areas comply with local regulations for compounds containing arsenic, and maintain inventory records as required by safety protocols.

What to do in case of contact with tricopper diarsorate?

In case of skin contact with tricopper diarsorate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. If inhaled, move to fresh air and seek medical attention if breathing difficulties occur. For eye contact, flush immediately with clean water for at least 15 minutes. If ingested, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets and contact poison control centers when necessary.

How to dispose of tricopper diarsorate appropriately?

Tricopper diarsorate must be disposed of as hazardous waste due to its arsenic content, following local and national environmental regulations. Contact licensed hazardous waste disposal companies for proper collection and treatment. Never dispose of this compound in regular trash, sewers, or the environment. Ensure all containers are properly labeled and documented according to waste tracking requirements. Consult with environmental authorities and waste management professionals to ensure compliance with all applicable disposal regulations.

How to transport tricopper diarsorate?

Tricopper diarsorate is classified under ADR Class 6.1 (toxic substances), Packing Group II, requiring specific transport regulations for toxic materials. Use approved packaging that meets UN specifications for Class 6.1 substances. Vehicles must display appropriate hazard placards and transport documents must include proper shipping names and classifications. Only trained personnel should handle transportation, and emergency response information must be available during transport. Ensure compliance with international dangerous goods regulations for road, rail, or sea transport.

Is tricopper diarsorate subject to particular regulations?

Tricopper diarsorate is subject to various chemical regulations due to its arsenic content, including REACH registration requirements in Europe for commercial use. While not classified as a SVHC (Substance of Very High Concern), it must comply with CLP regulation for classification and labeling. Transport is regulated under ADR as a Class 6.1 toxic substance. Users must maintain safety data sheets, implement appropriate risk management measures, and comply with occupational exposure limits where established by local authorities.

Where to buy tricopper diarsorate in Europe?

Tricopper diarsorate is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. OYSI provides this compound with proper documentation, safety data sheets, and regulatory compliance support. As a professional chemical distributor, OYSI ensures quality standards and can assist with technical specifications, safety requirements, and regulatory compliance for your specific applications. Contact OYSI directly for availability, specifications, and procurement of tricopper diarsorate for your industrial needs.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.