Stannous pyrophosphate

CAS number: 15578-26-4
Molecular weight: 411.32
Molecular formula / chemical symbol: Sn2P2O7

Description

White crystalline or amorphous powder. Relative density 4.009 (16.4 ℃). Insoluble in water, soluble in strong acid.

USES

Mainly used for no cyanide electroplating tin. Used as a toothpaste filling agent, in toothpaste micro have dissociation, to prevent dental have certain effect. Printing and dyeing industry used in dyeing, ceramic industry for refined clay. In coating industry appropriate to join can alleviate paint filler in the paint of the sedimentation rate, improve the performance of the paint.

Keywords:Electronic chemicals

Report

Test items	Test Results
Sn₂P₂O₇	≥99.9％	≥99.90％
Fe	≤0.005％	≤0.005％
Pb	≤0.0005％	≤0.0003％
As	≤0.0003％	≤0.0002％
SO₄^2-	≤0.05％	≤0.05％