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Chemical database: Sodium hypochlorite

chemistry tutorials - sodium hypochlorite

Chemical formula NaClO
Molar mass 74.44 g mol -1
Density 1.11 g cm -3
Melting point 18.0 °C
Boiling point decomposition (~ 101 °C)
Solubility 29.3 g in 100 mL H2O (0 °C)
CAS number 7681-52-9
Hazards chemistry tutorials - sodium hypochlorite - additional data: (R:31-34-50)(S:28-45-50-61)chemistry tutorials - sodium hypochlorite - additional data: (R:31-34-50)(S:28-45-50-61)

Sodium hypochlorite is a salt which comes in form of a white powder, at standard conditions. Sodium hypochlorite is mostly used for bleaching and for the cleaning of stains on various types of cloth. For this purpose, solutions of concentration close to 5% are mostly used. Less concentrated solutions (around 1%) are commonly used for disinfection. It is also used for water treatment, since it effectively blocks the growth and propagation of bacteria and algae.

Sodium hypochlorite can be found in many stores in form of solutions that are used for bleaching and disinfection. In such solutions, the concentration of sodium hypochlorite is mostly between 1% and 5%. This compound can also be ordered from chemical selling companies.


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  Sodium hypochlorite
  Sulphuric acid
  Trichloroisocyanuric acid