| Stannous pyrophosphate Basic information |
| Product Name: | Stannous pyrophosphate |
| Synonyms: | tinpyrophosphate(6ic,7ci);ditin pyrophosphate;Stannous;tin(ii) phosphate;tin(ii) phosphate (pyro);TechneScan PYP;2,2'-Oxybis[1,3-dioxa-2-phospha-4-stanna(II)cyclobutan-2-one];Pyrophosphoric acid tin(2+) salt |
| CAS: | 15578-26-4 |
| MF: | O7P2Sn2 |
| MW: | 411.36 |
| EINECS: | 239-635-5 |
| Product Categories: | Materials Science;Metal and Ceramic Science;Metal and Ceramic Science;Salts;Tin Salts;Tin Salts |
| Mol File: | 15578-26-4.mol |
| Stannous pyrophosphate Chemical Properties |
| Melting point | >400°C (dec.) |
| density | 4,01 g/cm3 |
| storage temp. | Refrigerator |
| form | Powder |
| Specific Gravity | 4.01 |
| color | White |
| Water Solubility | Insoluble in water. |
| Merck | 14,8788 |
| Exposure limits | ACGIH: TWA 2 mg/m3NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3 |
| LogP | -1 at 20℃ |
| CAS DataBase Reference | 15578-26-4(CAS DataBase Reference) |
| EPA Substance Registry System | Diphosphoric acid, tin(2+) salt (1:2) (15578-26-4) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-37/39 |
| WGK Germany | 2 |
| RTECS | JL6737500 |
| TSCA | Yes |
| HS Code | 28353990 |
| MSDS Information |
| Provider | Language |
|---|---|
| Stannous pyrophosphate | English |
| SigmaAldrich | English |
| ALFA | English |
| Stannous pyrophosphate Usage And Synthesis |
| Chemical Properties | White Solid |
| Chemical Properties | Stannous pyrophosphate, Sn2P2O7, sp gr 4.009 at 16 °C (60.8 °F), is an amorphous white powder, decomposing at above 400 °C. It is insoluble in water and soluble in concentrated mineral acids and sodium pyrophosphate. |
| Uses | Tin(II) pyrophosphate is used to inhibit the formation of volatile sulfur compounds. Further, it is used for cyanide-free tin coating. |
| Uses | Tin(II) Pyrophosphate inhibit the formation of volatile sulphur compounds (VSC). |
| Production Methods | It is prepared from stannous chloride and sodium pyrophosphate, and used as a caries preventative in toothpaste and as a diagnostic aid in radioactive bone scanning and red-blood-cell labeling. |
| Brand name | TechneScan PYP (Mallinckrodt). |
| Stannous pyrophosphate Preparation Products And Raw materials |
| Raw materials | Sodium chloride-->Stannous chloride dihydrate |
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