Product Information
| Catalogue Number | : TK.170570 |
| Chemical Name | : Sodium Thiosulfate Pentahydrate |
| Grade | : Extra pure |
| Synonyms | : Antichlor |
| Cas No | : 10102-17-7 |
| EC Number | : 231-867-5 |
| Hill Formula | : Na₂O₃S₂ * 5 H₂O |
| Chemical Formula | : Na₂O₃S₂ * 5 H₂O |
| Molar Mass | : 248.21 g/mol |
| HS Code | : 2832.30.00 |
| Assay | : >= 99,0% |
| Sodium Sulfite(Na2SO3) | : <= 0,5% |
| Sodium Sulfate(Na2SO4) | : <= 1,0% |
| Sodium Chloride(NaCl) | : <=0,2% |
| Chloride ( as Cl) | : <= 0,1% |
| Sulphur(Na2S) | : <= 0,001% |
| Heavy Metals (as Pb) | : <= 0,001% |
| Iron(Fe) | : <= 0,0005% |
| Insoluble in Water | : <= 0,001% |
| pH (10 %,H2O, 20°C) | : 6,5 - 9,5 |
Physical Chemical Information
| Density(20C) | : 1.74 g/cm3 (20°C) |
| WGK | : WGK 1 slightly hazardous to water |