Stannous pyrophosphate

Stannous pyrophosphate

Molecular Formula

Sn2P2O7 Specification AR

Molecular Weight

411.32

CAS No

15578-26-4

Physical and Chemical Properties

White crystalline powder, insoluble in water, soluble in concentrated acid, soluble in pyrophosphate

Use

Tin plating for cyanide free electroplating; Used as a filling agent for toothpaste, it has a slight dissociation in toothpaste and has a certain effect on preventing dental diseases; The printing and dyeing industry is used for dyeing; Ceramic industry is used for refining clay; Proper addition in the paint industry can alleviate the settling speed of paint fillers in paint and improve paint performance.

Package

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

Main Technical Index

Index Name

Standard

Sn

≥57.0%

Hcl Insolubility

≤0.02%

Iron

≤0.003%

Heavy Metals (by Pb)

≤0.003%

Sulfate

≤0.01%

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