Stannous pyrophosphate

Số CAS: 15578-26-4
Khối lượng phân tử
Công thức phân tử / ký hiệu hóa học: Sn2P2O7

Mô tả

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

Keywords: Phosphate

ỨNG DỤNG

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.

Phiếu kiểm nghiệm

Inspection test report against

the name of a commodity	stannous pyrophosphate		CAS：15578-26-4
character	White crystalline or amorphous powder
Test items		estimated value
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％