Sodium percarbonate

Sodium percarbonate, or sodium carbonate peroxide is a chemical substance with formula Na
2H
3CO
6. It is an adduct of sodium carbonate ("soda ash" or "washing soda") and hydrogen peroxide (that is, a perhydrate) whose formula is more properly written as 2 Na
2CO
3 · 3 H
2O
2. It is a colorless, crystalline, hygroscopic and water-soluble solid. It is sometimes abbreviated as SPC. It contains 32.5% by weight of hydrogen peroxide.

For other uses, see Sodium peroxycarbonate.
Sodium percarbonate

Crystal structure at 100 K
Names
IUPAC name
sodium carbonate—hydrogen peroxide (2/3)
Other names
Sodium carbonate peroxide, sodium carbonate sesquiperhydrate, PCS, SPC, solid hydrogen peroxide, Sodium carbonate hydrogen peroxide, sodium carbonate peroxyhydrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.082
EC Number
  • 239-707-6
RTECS number
  • FG0750000
UNII
  • InChI=1S/CH2O4.Na/c2-1(3)5-4;/h4H,(H,2,3);/q;+1/p-1 Y
    Key: MWNQXXOSWHCCOZ-UHFFFAOYSA-M Y
  • InChI=1S/CH2O4.Na/c2-1(3)5-4;/h4H,(H,2,3);/q;+1/p-1
    Key: MWNQXXOSWHCCOZ-REWHXWOFAO
  • Key: MWNQXXOSWHCCOZ-UHFFFAOYSA-M
  • [Na+].[O-]C(=O)OO
Properties
Na2CO3·1.5 H2O2
Molar mass 156.982 g/mol
Appearance White solid
150 g/l
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Irritant, oxidizer
Flash point Non-flammable
Related compounds
Other anions
 Sodium carbonate
Sodium bicarbonate
Other cations
 Calcium percarbonate
Magnesium percarbonate
Related compounds
 Sodium perborate
Sodium persulfate
Sodium perphosphate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The product is used in some eco-friendly bleaches and other cleaning products.

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