Sodium percarbonate

From Sciencemadness Wiki
Jump to: navigation, search
Sodium percarbonate
Sodium percarbonate store grade sample.jpg
Sodium percarbonate from the store.
Names
IUPAC name
Sodium carbonate—hydrogen peroxide (2/3)
Other names
Sodium carbonate hydrogen peroxide
Sodium carbonate peroxyhydrate
Sodium carbonate sesquiperhydrate
Solid hydrogen peroxide
Properties
Na2CO3·1.5 H2O2
Molar mass 156.982 g/mol
Appearance White granular powder
Density 2.1 g/cm3
Melting point 100–125 °C (212–257 °F; 373–398 K) (decomposes); Decomposition begins > 50°C
Boiling point Decomposes
15 g/100 ml (at 20°C)
Solubility Insoluble in benzene
Vapor pressure Negligible
Thermochemistry
-1,475.3 kJ/kmol
Hazards
Safety data sheet ScienceLab
Related compounds
Related compounds
Sodium carbonate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Sodium percarbonate is a chemical compound, more specifically an adduct of sodium carbonate and hydrogen peroxide with the formula 2 Na2CO3·3 H2O2. It is widely used in cleaning.

Properties

Chemical

Sodium percarbonate is a convenient source of hydrogen peroxide in many reactions.

Physical

Sodium percarbonate is a white solid, soluble in water.

Availability

Sodium percarbonate is sold in most stores as OxiClean. Sometimes it may have perfumes or other additives.

Preparation

Sodium percarbonate can be made by carefully recrystallizing sodium carbonate from a concentrated aqueous solution of hydrogen peroxide.

Projects

  • Cleaning
  • Oxidizing organic compounds
  • Source of hydrogen peroxide
  • Make dichromates

Handling

Safety

Sodium percarbonate is a strong oxidizer and should be kept away from combustible materials and open flame.

Storage

Sodium percarbonate should be kept in closed bottles, in cool places, away from organic materials.

Disposal

Can be poured down the drain or heated to decompose it.

References

Relevant Sciencemadness threads