详细说明
氟化亚锡 Stannous fluoride
分子式:H2F2Sn分子量:158.72
用 途:用于牙膏生产，以保护牙齿防止钙被溶出。日化行业用，减少药物过敏。用于钎焊铝合金的软钎剂。用作光谱纯试剂
性 质:白色单斜晶系结晶。熔点215℃。沸点850℃。溶于冷水和氢氟酸中。在水中易水解和氧化。
CAS NO.:7783-47-3
| 项目ITEM | 指标 |
| 电子级 | 医药级 |
| 含量Assay% | 99 | 94 |
| 锡（Sn)% | 74 | 71.2 |
| 氟F % | 23.5-24.8 | 22.3-25.5 |
| 锑（Sb）ppm% | 30 | 50 |
| 铅（Pb）ppm% | 10 | 10 |
| 砷（As)ppm% | 1 | 3 |
| 汞（Hg）ppm | 1 | 2 |
| 铁（Fe）ppm | 5 | 10 |
| 硅（Si）ppm | 50 | 50 |
| PH（0.4%水溶液） | 2.8-3.5 | 2.8-3.5 |
| 干燥失重（105℃/4H） | 0.2 | 0.2 |
注:客户特种要求可协商特定规格生产。
Molecular formula:H2F2SnMolecular weight:158.7227
Application:Used in toothpaste production to protect teeth from calcium dissolution. Used in the daily chemical industry to reduce drug allergy. A solder used to braze aluminum alloys.
Property:White monoclinic crystals. The temperature of 215 ° C. The boiling point of 850 ° C. Soluble in cold water and hydrofluoric acid. It is easily hydrolyzed and oxidized in water.
CAS NO.:7783-47-3