Arsorous acid;iron(3+);oxygen(2-);pentahydrate
AsFeH13O9+
arsorous acid;iron(3+);oxygen(2-);pentahydrate
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Identification
- CAS Number
- 63989-69-5
- UN Number
- 1607
- Index Number
- 033-002-00-5
- PubChem CID
- 62222
Physical-chemical properties
- Molecular Formula
- AsFeH13O9+
- Molar Mass
- 287.86 g/mol
- IUPAC Name
- arsorous acid;iron(3+);oxygen(2-);pentahydrate
Chemical Identifiers
- InChI
- InChI=1S/AsH3O3.Fe.5H2O.O/c2-1(3)4;;;;;;;/h2-4H;;5*1H2;/q;+3;;;;;;-2
- InChI Key
- FBOFDHMZEDHPPP-UHFFFAOYSA-N
Overview
Arsorous acid;iron(3+);oxygen(2-);pentahydrate (CAS 63989-69-5) is an iron-arsenic coordination compound with distinctive hydrated crystalline structure and specialized industrial applications. This complex inorganic compound represents a unique combination of arsenic in its trivalent oxidation state coordinated with ferric iron ions, stabilized by oxide anions and five molecules of crystallization water. With a molecular formula of AsFeH13O9+ and molecular weight of 287.86 g/mol, this pentahydrate demonstrates the intricate chemistry possible between transition metals and metalloid compounds. The presence of both iron(III) and arsorous acid components creates a compound with distinctive properties that differentiate it from simpler arsenic or iron-based chemicals. The compound falls under ADR transport classification 6.1, indicating its toxic nature requires careful handling protocols during storage, transportation, and industrial use. While specific GHS pictograms are not assigned, the arsenic content necessitates appropriate safety measures including proper ventilation, personal protective equipment, and controlled access procedures. The pentahydrate structure contributes to the compound's stability under standard conditions while maintaining its chemical reactivity for targeted applications. Industrial applications typically involve specialized metallurgical processes, analytical chemistry procedures, and certain catalytic systems where the unique iron-arsenic coordination provides specific performance characteristics. Unlike simpler aromatic compounds such as 4-nitroaniline or 4-nitrophenol commonly used in dye synthesis, this coordination compound serves more specialized technical functions requiring its distinctive metal-metalloid properties. OYSI maintains availability of arsorous acid;iron(3+);oxygen(2-);pentahydrate for qualified industrial customers requiring this specialized compound for technical applications across European markets.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 1607 |
| ADR Class | 6.1 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Eisen(III)arsenit |
| Marine Pollutant | No |
Frequently Asked Questions
What is arsorous acid;iron(3+);oxygen(2-);pentahydrate?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate is an inorganic chemical compound with the molecular formula AsFeH13O9+ and CAS number 63989-69-5. This compound contains arsenic, iron, and oxygen components in a pentahydrate form, meaning it includes five water molecules in its crystal structure. With a molecular weight of 287.86 g/mol, it represents a complex metal-arsenic compound used in specialized industrial applications.
What are the physicochemical properties of arsorous acid;iron(3+);oxygen(2-);pentahydrate?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate is a solid compound at room temperature with a molecular weight of 287.86 g/mol. As a pentahydrate, it contains five water molecules per formula unit, which typically affects its crystalline structure and stability. The compound contains both arsenic and iron components, which may influence its color and solubility characteristics in aqueous solutions.
What is arsorous acid;iron(3+);oxygen(2-);pentahydrate used for?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate is primarily used in specialized industrial applications requiring specific arsenic-iron compounds. Its applications may include analytical chemistry, research purposes, and as an intermediate in chemical synthesis processes. Due to its unique composition containing both arsenic and iron components, it serves specific technical functions where conventional compounds cannot provide the required chemical properties.
How to handle arsorous acid;iron(3+);oxygen(2-);pentahydrate safely?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate should be handled with appropriate personal protective equipment including gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems. Given its arsenic content, avoid inhalation, ingestion, and skin contact. Use proper laboratory techniques when weighing and transferring the material, and ensure hands are thoroughly washed after handling.
How to store arsorous acid;iron(3+);oxygen(2-);pentahydrate correctly?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate should be stored in tightly sealed containers in a cool, dry place away from direct sunlight. As a pentahydrate compound, it may be sensitive to moisture changes, so proper sealing is essential. Store away from incompatible materials and ensure containers are properly labeled. The storage area should be well-ventilated and have restricted access due to the arsenic content.
What to do in case of contact with arsorous acid;iron(3+);oxygen(2-);pentahydrate?
In case of skin contact with arsorous acid;iron(3+);oxygen(2-);pentahydrate, immediately wash the affected area with plenty of water for at least 15 minutes and remove contaminated clothing. For eye contact, flush with water for 15 minutes and seek immediate medical attention. If inhaled, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention, informing medical personnel about the arsenic-containing compound.
How to dispose of arsorous acid;iron(3+);oxygen(2-);pentahydrate appropriately?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate must be disposed of as hazardous waste due to its arsenic content. Contact licensed waste disposal companies specialized in handling arsenic-containing compounds. Never dispose of this material in regular waste streams or down drains. Follow local and national regulations for hazardous waste disposal, and maintain proper documentation of disposal activities as required by environmental authorities.
How to transport arsorous acid;iron(3+);oxygen(2-);pentahydrate?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate is classified under ADR Class 6.1 (Toxic substances), Packing Group II, indicating moderate toxicity requiring specific transport precautions. Packages must be properly labeled with appropriate hazard markings and documentation. Transport should comply with ADR regulations for toxic substances, using approved packaging and following proper shipping procedures. Drivers must have appropriate training for dangerous goods transport.
Is arsorous acid;iron(3+);oxygen(2-);pentahydrate subject to specific regulations?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate is subject to various chemical regulations due to its arsenic content. It falls under REACH registration requirements for chemical substances marketed in the European Union. The compound is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with CLP regulation for classification and labeling, and follow national regulations regarding arsenic-containing compounds and workplace safety requirements.
Where to buy arsorous acid;iron(3+);oxygen(2-);pentahydrate in Europe?
Arsorous acid;iron(3+);oxygen(2-);pentahydrate is available through OYSI, a specialized European distributor of technical chemical products. As a professional chemical supplier, OYSI provides this compound to qualified industrial and research customers throughout Europe. Contact OYSI directly for availability, technical specifications, and regulatory documentation. Due to the specialized nature of this compound, procurement typically requires verification of intended use and appropriate handling capabilities.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.