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Copper(II) hydrogen arsenite

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Identification
Molecular formula
CuHAsO3
CAS number
11099-14-2
IUPAC name
copper;hydrogen arsorite
State
State

At room temperature, Copper(II) hydrogen arsenite is a solid.

Melting point (Celsius)
200.00
Melting point (Kelvin)
473.00
Boiling point (Celsius)
800.00
Boiling point (Kelvin)
1 073.00
General information
Molecular weight
263.45g/mol
Molar mass
263.4540g/mol
Density
5.5500g/cm3
Appearence

This compound typically appears as a blue-green solid powder, characteristic of many copper compounds.

Comment on solubility

Solubility of Copper Hydrogen Arsenite (CuHAsO3)

Copper hydrogen arsenite, commonly referred to as CuHAsO3, exhibits interesting solubility characteristics that are important for its applications in various chemical processes. Understanding these traits can be vital for both practical usage and safety considerations. Here are some key points regarding its solubility:

  • Solubility in Water: CuHAsO3 is generally considered to be sparingly soluble in water. This limited solubility can affect how it behaves in aqueous solutions and its interactions with other compounds.
  • Influence of pH: The solubility of copper hydrogen arsenite can vary significantly with changes in pH. Acidic conditions tend to enhance its solubility due to the formation of more stable ionic forms.
  • Temperature Dependence: As with many compounds, the solubility of CuHAsO3 can increase with higher temperatures, making it essential to consider thermal conditions during experiments or applications.
  • Structural Interactions: The presence of co-solvents and other ions in solution can also affect solubility, showcasing how complex interactions can dictate the behavior of CuHAsO3 in a chemical context.

In summary, while Copper hydrogen arsenite has limited solubility in water, its behavior can be influenced by several factors including pH, temperature, and the presence of other substances. Understanding these parameters is essential for effectively utilizing this compound in practical applications.

Interesting facts

Interesting Facts About Copper Hydrogen Arsenite

Copper hydrogen arsenite, known for its complex structure, is an intriguing compound that has captured the attention of scientists due to its unique properties and applications. Here are some fascinating insights into this compound:

  • Historical Significance: Copper hydrogen arsenite was once utilized as a pigment in artists' paints, known as "Schweinfurt Green." Its vibrant color made it popular among painters in the 19th century, though its arsenic content later raised health concerns.
  • Biochemical Interactions: The compound is interesting from a biochemical perspective, as it can interact with various biological systems. Understanding its behavior may shed light on its potential environmental impacts and health effects.
  • Toxicity Awareness: While copper is essential for many biological processes, the presence of arsenite in this compound raises toxicity considerations. This has led to research focusing on safe handling and the effects of exposure to arsenic-containing compounds.
  • Research Applications: Recent studies have explored the use of copper hydrogen arsenite in nanotechnology and materials science, investigating its properties for potential applications in sensors and electronics.
  • Color Striking: The vibrant green hue provided by this compound has historical and aesthetic significance, often used in decorative arts and historical artifacts.

As a compound that intertwines art, science, and environmental health, copper hydrogen arsenite serves as a reminder of the complex interactions between chemistry and society. It evokes a quest for understanding that continues to engage both researchers and the public alike.

Synonyms
CUPRIC ARSENITE
SK8L60BCSQ
SCHLOSS GREEN
CUPRUM ARSENICOSUM
CUPRIC HYDROGEN ARSENITE
Swedish Green
Cupric Green
Copper arsonate
Copper orthoarsenite
Copper(II) arsenite
Air-flo Green
Acid copper arsenite
Scheeles Green
Scheele's mineral
Caswell No. 233
Scheele's Green
HSDB 4071
EINECS 233-644-8
UNII-SK8L60BCSQ
UN1586
EPA Pesticide Chemical Code 022401
Arsonic acid, copper(2+) salt (1:1)
Arsenious acid (H3AsO3), copper(2+) salt (1:1)
Arsenious acid, copper(II) salt (1:1)
ACID ORTHOARSENITE
ACIDIC COPPER ARSENITE
CUPRIC ARSENITE [MI]
SCHEMBL5933822
CUPRIC ARSENITE [WHO-DD]
CUPRUM ARSENICOSUM [HPUS]
BPQWCZKMOKHAJF-UHFFFAOYSA-N
COPPER(II) ARSENITE [HSDB]
Copper arsenite [UN1586] [Poison]
ARSENIOUS ACID, COPPER(2+) SALT (1:1)
Q417286