Ferric arsenite
Basic information
- CAS
63989-69-5- Standard SMILES
O.O.O.O.O.O[As](O)O.[Fe+3].[O-2]- InChIKey
AXJXCDQHUUBMHK-UHFFFAOYSA-N- Molecular formula
- AsFeH13O9+
- Average molar mass
- 287.86 g/mol
- Monoisotopic mass
- 287.912487
Overview
Ferric arsenite appears as a yellow-brown powder. Insoluble in water. Toxic by ingestion and inhalation and is a strong irritant. It is used in medicines.
Names & identifiers
- Preferred name
- Ferric arsenite
- IUPAC
- arsorous acid;iron(3+);oxygen(2-);pentahydrate
- English name
- Ferric arsenite
- Molecular formula
- AsFeO3
- Molecular weight
- 178.7648
Names & synonyms
Ferric arseniteIron arsenite oxide (Fe2(AsO3)2O3), pentahydrateFERRIC ARSENITE, (SOLID)FERRIC ARSENITE, [SOLID]RefChem:599075IRON ARSENITE OXIDE (FE2(ASO3)2O3),PENTAHYDRATE63989-69-5arsorous acid;iron(3+);oxygen(2-);pentahydrateFerric arsenite, basicIron(III) o-arsenite, pentahydrateUN1607FBOFDHMZEDHPPP-UHFFFAOYSA-N
Show more names
arsorous acid,iron(3+),oxygen(2-),pentahydrate
Ferric arsenite [UN1607] [Poison]
Database identifiers
- CAS
63989-69-5- PubChem CID
- 62222
Properties
Computed structural properties
- Topological polar surface area
- 66.7 Ų
- Hydrogen bond donors
- 8
- Hydrogen bond acceptors
- 9
- Rotatable bonds
- 0
- Heavy atoms
- 11
- Formal charge
- 1
- Complexity
- 8
Experimental & physicochemical properties
Chemical ClassesCarcinogens
Physical DescriptionFerric arsenite appears as a yellow-brown powder. Insoluble in water. Toxic by ingestion and inhalation and is a strong irritant. It is used in medicines.
Physicochemical properties
- Melting point
- 10 · decomposes [CRC10]
- Water Solubility
- 93 · soluble in acids [HAW93]
- EPA Substance Registry System
- 2 · Iron arsenite oxide (Fe2(AsO3)2O3), pentahydrate (63989-69-5)
- RIDADR
- 1607 · UN 1607
- HazardClass
- 6.1 · 6.1
- PackingGroup
- II
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Hazard information
Regulatory InformationThe New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
DOT LabelPoison
Fire Hazards
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:
· Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Health Hazards
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:
· Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
DOT ID and Guide1607 151
Reactive GroupSalts, Basic
Reactivity Profile
FERRIC ARSENITE has weak oxidizing or reducing powers. Redox reactions can however still occur. The majority of compounds in this class are slightly soluble or insoluble in water. If soluble in water, then the solutions are usually neither strongly acidic nor strongly basic. These compounds are not water-reactive.
DOT Hazard Classification
Ferric arsenite
Marine pollutant
Ferric arsenite
UN1607
Div 6.1 Poisonous materials (49 eCFR § 173.132)
PG II: the degree of danger presented by the material is medium
Air and Water ReactionsInsoluble in water.
Hazard Classes and Categories
Chemistry & industry
Applications
UsesCombined with ammonium citrate (ferric ammonium citrate) and used in medicine.
General DescriptionA yellow-brown powder. Insoluble in water. Toxic by ingestion and inhalation and is a strong irritant. Ferric arsenite is used in medicines.
Additional notes
DefinitionA basic salt of variable composition.
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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