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Phosphoric acid

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Identification
Molecular formula
H3PO4
CAS number
7664-38-2
IUPAC name
ethylmercury;phosphoric acid
State
State

Phosphoric acid is typically a colorless, viscous liquid or it can be in solid form when pure. It is often encountered in aqueous solutions at various concentrations, which are widely used in laboratories and industry.

Melting point (Celsius)
42.35
Melting point (Kelvin)
315.50
Boiling point (Celsius)
158.00
Boiling point (Kelvin)
431.15
General information
Molecular weight
98.00g/mol
Molar mass
98.0000g/mol
Density
1.8850g/cm3
Appearence

Phosphoric acid is typically a colorless, odorless crystalline solid at lower temperatures or a clear, viscous liquid when above its melting point. In its pure form, it appears as solid, but it is commonly used and seen in aqueous solution, forming a colorless and non-volatile liquid.

Comment on solubility

Solubility of Ethylmercury Phosphoric Acid

Ethylmercury, a form of mercury with ethyl groups, when combined with phosphoric acid, forms a compound that exhibits notable solubility characteristics. The solubility of this compound can be influenced by several factors:

  • Polarity: The presence of polar phosphoric acid enhances the tendency of ethylmercury to dissolve in polar solvents, increasing its overall solubility.
  • pH Level: The solubility can vary significantly with pH, as the acidic nature of phosphoric acid can facilitate the ionization of the compound.
  • Temperature: As with many chemical compounds, increasing the temperature usually leads to an increase in solubility.

However, it is important to note that while this compound is generally soluble in aqueous solutions, its toxicological implications must be considered. As highlighted:

"Toxic compounds often present a paradox of solubility and hazardous effects."

In practical applications, careful handling and consideration of solubility in different environmental contexts are essential.

Interesting facts

Interesting Facts About Ethylmercury Phosphoric Acid

Ethylmercury phosphoric acid is a fascinating compound that has drawn attention in various scientific fields, particularly in pharmaceuticals and environmental studies. Here's a closer look at its properties, uses, and some important considerations:

Key Points:

  • Composition: Ethylmercury phosphoric acid is a coordination compound, which means it consists of ethylmercury, a form of mercury, coordinated with phosphoric acid. This unique structure contributes to its distinct chemical behavior.
  • Biological Impact: Ethylmercury, as an organomercury compound, can interact with biological systems in ways that may have both therapeutic and toxicological implications. Its interactions with enzymes and proteins can affect metabolic pathways significantly.
  • Historical Significance: Historically, mercury compounds have been used in medicinal practices; however, awareness of their toxicity has led to careful scrutiny of their use. “What was once thought to cure can also harm.” This duality is particularly important in the case of ethylmercury.
  • Applications in Vaccines: Ethylmercury has been used as a preservative in some vaccines, which has sparked significant debate regarding safety and public health. This has prompted extensive research to assess its risks and benefits.
  • Sustainability Concerns: Environmental studies frequently address the implications of mercury compounds in ecosystems, focusing on how ethylmercury can bioaccumulate and impact wildlife and human health.

With its complex nature, ethylmercury phosphoric acid remains a topic of ongoing research. Understanding its properties and effects is vital for optimizing its uses while mitigating potential risks to health and the environment. In summary, while this compound can offer advantages in certain applications, the emphasis on safety and ecological impact is paramount.