Sodium hypochlorite

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Sodium hypochlorite
Chemical formula NaOCl
OTP appearance greenish yellow solid 
Molar Mass(g/mol) 74.442 
Density(g/cc) 1.11 
Melting Point(°C) 18 
Solubility in water(g/L) 293g/L
NFPA 704
NFPA704.png
0
2
1
OX

Uses

Justification Questioned

Other

  • Disinfection
  • Cleaning
  • Treatment of cloth
  • Required for (Chlorine) haloform reactions.

Natural occurrence

Does not occur naturally

Hazards

Toxic, irritating, can decompose to products including chlorine gas.

Production

Synthesis

from calcium hypochlorite

  1. Mix 1:2 molar amounts of calcium hypochlorite and sodium carbonate in solution.
  2. Filter
  3. Residue is calcium carbonate. Recycle.
  4. Filtrate is sodium hypochlorite

Purification

Testing

Storage

Disposal

See Also

References

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