CAS NO:7681-57-4

Molecular Formula: na2s2o5

 

Molecular Weight: 190.09

 

Characteristics: white or yellow crystalline powder or small crystalline; strong odor of SO2; specific weight 1:4; soluble in water became acidic aqueous solution; it shouldn’t stored for long.

Usage: printing and dyeing; organic synthesis; process hides; pharmacy; preservative; bleacher; loosening agent.

Package and Storage

 

1 Packaging bag(barrel)should brush firmly logo, including product name, grade, net weight, factory name.

2 Packed in plastic woven bag or bucket, lined with plastic bag inner, net weight is 25㎏or 50㎏.

3 Prevent breakage, damp, encounter heat metamorphic in transit and storage process. Shouldn’t exist with oxidant coexist or acid.

4 Storage period is 6 months since the date of production.