Stannous pyrophosphate

Số CAS: 15578-26-4
Khối lượng phân tử: 411.32
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.

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.

Keywords:Electronic chemicals

Phiếu kiểm nghiệm

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％