Sodium Percarbonate Powder

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Sodium percarbonateis a chemical, an adduct of sodium carbonate and hydrogen peroxide (a perhydrate), with formula 2Na2CO3· 3H2O2. It is a colorless, crystalline, hygroscopic and water-soluble solid. It is used in some eco-friendly cleaning products and as a laboratory source of anhydrous hydrogen peroxide.

This product contains the carbonate anion, and should not be confused with sodium peroxocarbonate Na2CO4 or peroxodicarbonate Na2C2O6, which contain different anions.

Sodium percarbonate is very neat stuff. It is a powder that releases hydrogen peroxide, and it is veryconcentrated.

To be complete, sodium percarbonate releases hydrogen peroxide and soda ash. As we know, hydrogen peroxide breaks down into oxygen and water. As you may expect, then, sodium percarbonate breaks down into oxygen, water, and soda ash.

1. It is a granulated powder which can be nice for scrubbing stains and stuck-on-gunk off of dishes. Think of scouring powder, but made out of hydrogen peroxide. It can be made into a paste, too, and used on tile grout and tough stains.

2. It is easy to carry around *- say, to a laundromat because of its dry powder form. In fact, laundry products are one of the big applications of sodium percarbonate.

3. Its cheap. Really cheap: a few dollars for a little tub of it. The recommended amounts are small, it is very concentrated.

4. It is easier to ship than *5% peroxide, since it is not a hazardous material for shipping purposes, at least in small quantities. (This is confusing Ive seen at least one source that does ship larger quantities, over a couple of pounds, as a hazardous material. Im not convinced that this is a general practice. I think it is generally shipped as usual, not as a hazardous material. I'm thinking that "pure" sodium percarbonate requires hazardous materials shipping. I'll update this when I know for sure what the distinction is.)

5. It is less likely to splash and spill than liquid peroxide, so it is safer to work with. One does still need to be careful with it, but mostly once it is mixed into water.

Applications for sodium percarbonate include:

• Dry Laundry Detergents
• Automatic Dishwashing Detergents (both powdered and tablets)
• Personal Care (including toothpaste, denture cleaning tablets and dental bleaching products)
• Hard Surface Cleaners (including deck cleaners, scouring powders, drain cleaners and hot tub/swimming pool tablets)
• Pulp Processing
• Water Treatment
• Disinfectant
• Mold Remediation
• Water and Soil Remediation
• Oxygen Generation