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Diarsenic pentoxide

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Identification
Molecular formula
As2O5
CAS number
1303-28-2
IUPAC name
Diarsenic pentoxide
State
State

At room temperature, diarsenic pentoxide is a solid. It is stable under normal conditions and typically remains in this state unless exposed to extreme conditions.

Melting point (Celsius)
315.00
Melting point (Kelvin)
588.00
Boiling point (Celsius)
465.00
Boiling point (Kelvin)
738.00
General information
Molecular weight
229.84g/mol
Molar mass
229.8400g/mol
Density
4.3200g/cm3
Appearence

Diarsenic pentoxide appears as a white or slightly yellowish solid. It is generally found in powder form and can have an amorphous or crystalline structure depending on its preparation method.

Comment on solubility

Solubility of Diarsenic Pentoxide

Diarsenic pentoxide, with the chemical formula As2O5, presents intriguing characteristics regarding its solubility. This compound is known to be quite insoluble in water, which poses challenges in applications where aqueous solutions are required. However, it demonstrates the ability to dissolve in certain acidic solutions, yielding arsenic acid. Here are some key points on its solubility:

  • Water solubility: Diarsenic pentoxide is generally insoluble in water.
  • Acidic solutions: It readily dissolves in strong acids, contributing to the formation of arsenic acid (H3AsO4).
  • Reactivity with bases: It can react with bases to form arsenate salts, indicating its potential as a precursor in various chemical reactions.

In summary, while Diarsenic pentoxide has limited solubility in water, its interaction with acidic and basic environments highlights its reactivity and versatility in chemical processes.

Interesting facts

Interesting Facts about Diarsenic Pentoxide

Diarsenic pentoxide, a fascinating compound in the realm of chemistry, is primarily recognized for its significance in various industrial applications and theoretical explorations. Here are some intriguing aspects to ponder:

  • Chemical Behavior: Diarsenic pentoxide is known for its oxidizing properties. It can act as a dehydrating agent, making it useful in the synthesis of various compounds.
  • Industrial Applications: This compound is utilized in the manufacture of glass and ceramics, contributing to their durability and performance enhancements.
  • Environmental Relevance: Diarsenic pentoxide has been studied for its potential impact on the environment, particularly in relation to arsenic contamination and its implications for human health.
  • Historical Significance: The study of arsenic compounds dates back centuries, and diarsenic pentoxide has played a pivotal role in expanding our understanding of arsenic chemistry.
  • Safety Considerations: Due to the toxicity associated with arsenic compounds, handling diarsenic pentoxide requires appropriate safety measures. Knowledge of its hazardous nature is crucial for researchers working with it.

As a compound with both industrial significance and environmental concerns, diarsenic pentoxide continues to be an important subject of study. It serves as a reminder of the dual nature of chemical compounds, where benefits must be balanced with the responsibility of safe usage and environmental stewardship.

Synonyms
ARSENIC PENTOXIDE
1303-28-2
Arsenic(V) oxide
Arsenic pentaoxide
Arsenic anhydride
Arsenic acid anhydride
Diarsenic pentoxide
Arsenic(V) pentoxide
Diarsenic pentaoxide
Arsenic(5+) oxide
Caswell No. 057
Anhydride arsenique
RCRA waste number P011
Anhydride arsenique [French]
HSDB 429
As2O5
EINECS 215-116-9
UNII-4GWL8T475I
UN1559
EPA Pesticide Chemical Code 006802
FOTOX
4GWL8T475I
ARSENIC PENTOXIDE [MI]
ARSENIC PENTOXIDE [HSDB]
DTXSID1034343
ARSENIC PENTOXIDE [WHO-DD]
NSC 135808
Anhydride arsenique (French)
ARSENIC PENTOXIDE, (SOLID)
ARSENIC PENTOXIDE, [SOLID]
arsenic (V) oxide
diarsooxidane
Peroxido de arsenico
Caswell no 057
DIARSONIC PENTOXIDE
Peroxido de arsenico (Spanish)
ARSENIC PENTOXIDE, SOLID
DTXCID9014343
ARSENIC OXIDE (AS4O10)
USEPA/OPP Pesticide Code: 006802
orthoarsenic acid
Arsenic oxide (As2O5)
MFCD00003434
Arsenic oxide As2O5
RCRA waste no. P011
Arsenic(V) oxide, 99%
AKOS030254967
Arsenic pentoxide [UN1559] [Poison]
NS00093567
Q411256