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Sodium Hypochlorite

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Identification
Molecular formula
NaOCl
CAS number
7681-52-9
IUPAC name
sodium;hypochlorite
State
State

At room temperature, sodium hypochlorite is usually found in a liquid state, especially when dissolved in water to form bleach solutions. This liquid is often clear, greenish-yellow, and quite alkaline in nature.

Melting point (Celsius)
-6.00
Melting point (Kelvin)
267.15
Boiling point (Celsius)
101.00
Boiling point (Kelvin)
374.15
General information
Molecular weight
74.44g/mol
Molar mass
74.4420g/mol
Density
1.1100g/cm3
Appearence

Sodium hypochlorite typically appears as a greenish-yellow liquid. It is commonly recognized as liquid bleach, especially in household cleaning supplies, and has a characteristic bleach-like odor.

Comment on solubility

Solubility of Sodium Hypochlorite

Sodium hypochlorite, with the formula NaOCl, is well-known for its significant solubility in water, making it a versatile compound in various applications. Its solubility characteristics can be summarized as follows:

  • High Solubility: Sodium hypochlorite is highly soluble in water, typically dissolving at concentrations up to approximately 10% (weight/volume).
  • Temperature Influence: Solubility increases with temperature, which means that warmer water can dissolve larger amounts of sodium hypochlorite.
  • pH-Dependent Behavior: The solubility and stability of sodium hypochlorite are significantly influenced by pH. At higher pH levels, it exists mainly as hypochlorite ions (OCl-), whereas at lower pH levels, the compound may decompose more readily.

Sodium hypochlorite also exhibits interesting behavior in solutions:

  • Reactivity: It reacts with acids and organic materials, which can affect its solubility and overall stability in mixed solutions.
  • Concentration Recommendations: For safe storage and use, sodium hypochlorite solutions are commonly maintained at concentrations between 5% and 15%.

In conclusion, the solubility of sodium hypochlorite is crucial to its effectiveness as a disinfectant and bleaching agent. As stated, "Its high solubility in water makes it an ideal choice for a variety of applications, especially in sanitation and cleaning." Understanding these solubility parameters is essential for maximizing its performance while ensuring safety and efficacy.

Interesting facts

Interesting Facts about Sodium Hypochlorite

Sodium hypochlorite is a fascinating compound widely recognized for its disinfecting and bleaching properties. Often referred to as the active ingredient in household bleach, it has a long history of use in various industries.

Key Applications

  • Sanitization: Sodium hypochlorite is a powerful disinfectant, making it incredibly effective in killing bacteria, viruses, and fungi. It's commonly used in healthcare settings for sterilizing equipment and surfaces.
  • Water Treatment: One of its primary applications is in water purification, helping to remove harmful pathogens and make drinking water safe for communities.
  • Bleaching Agent: In the textile and paper industries, sodium hypochlorite is invaluable for its bleaching abilities, allowing for the brightening of fabrics and papers.

Fun Facts

  • The compound was first discovered in the late 18th century by the chemist Claude Louis Berthollet.
  • Despite its efficient cleaning capabilities, sodium hypochlorite can release harmful chemicals if mixed with acids, making proper handling essential.
  • Sodium hypochlorite is also used in swimming pools to maintain water clarity and sanitation.

As an example of a 1hypochlorite, sodium hypochlorite showcases the intriguing balance of being both a vital tool for public health and a subject of chemical caution due to its reactive nature. As we continue to explore its properties, the versatility and effectiveness of sodium hypochlorite remain clear, reinforcing its importance in our daily lives.