Sodium persulfate

2019-09-23 550

1、 GeneralState:

Sodium persulfate has molecular formula Na2S2O8 and molecular weight 238.18. It is white monoclinic crystal or powder with a specific gravity of 2.357. It is easily soluble in water. When heated to a higher temperature, it decomposes and releases oxygen to become sodium pyrosulfate. Sodium persulfate has excellent storage stability under the condition of low temperature drying, and is easy to decompose in case of humidity and catalyst. This product is a strong oxidant. Avoid direct contact with eyes, skin and clothing.

2、 Technical indicators(GB/T26519.1-2011)

project



index




Superior products

First Grade

Qualified products

Main content% ≥


ninety-nine

ninety-eight point five

ninety-eight

PH value (5g / L aqueous solution)

3.5-5.5

3.5-5.5

3.5-5.5

Iron (FE)% ≤


zero point zero zero one

zero point zero zero two

zero point zero zero three

Chloride (calculated by CL)% ≤

zero point zero zero five

zero point zero one zero

zero point zero one zero

Moisture (H2O)% ≤


zero point one zero

zero point one zero

zero point one five

Manganese (MN)% ≤


zero point zero zero zero one

zero point zero zero zero two

zero point zero zero zero three

Heavy metal (calculated by Pb)% ≤

zero point zero zero one0

zero point zero zero one5

zero point zero zero two0

Ammonium (calculated by NH4)% ≤


zero point two

zero point two

zero point two

3、 Purpose:

It is widely used as a micro etchant in the printed circuit industry; Used as polymerization initiator in organic polymer synthesis. It is also used in the oil production of petroleum industry.

4、 Packaging and storage:

It is packed in a composite bag with inner plastic bag and outer polypropylene woven bag. Each bag weighs 25 kg. It should be stored in a cool, dry and ventilated place and sealed separately.

Note: it shall not be stored together with organic substances, otherwise there is a risk of combustion or even explosion.