Potassium stannate trihydrate

Potassium stannate trihydrate

Potassium stannate trihydrate

Molecular Formula

 K2SnO3 ·3H2O Specification AR

Molecular Weight

298.94
CAS No

12125-03-0

Physical and Chemical Properties

 White crystalline powder, soluble in water

Use

 Potassium stannate tin plating (especially tin plating in electronics, automotive manufacturing, canned food boxes, etc.) and textile printing and dyeing industries, as well as in industries such as glass and ceramics.

Package

 Plastic bucket, 25kg/bucket, or packaged according to user requirements.

Main Technical Index

Index Name

 Standard

Sn

≥38.0%
Free base (KOH)

≤1%

Iron

 ≤0.003%

Heavy Metals (by Pb)

 ≤0.005%

Sb

≤0.003%
As

≤0.002%
Water insoluble substances

≤0.25%

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