Sodium sulfate decahydrate
SIGALD/403008 - ACS reagent, ≥99.0%
Synonym: Glauber’s salt
CAS Number: 7727-73-3
Empirical Formula (Hill Notation): Na2O4S · 10H2O
Molecular Weight: 322.20
EC Number: 231-820-9
MDL Number: MFCD00149189
Linear Formula: Na2SO4 · 10H2O
Product Type: Chemical
| anion traces | chloride (Cl-): ≤5 ppm |
| phosphate (PO43-): ≤5 ppm | |
| assay | ≥99.0% |
| cation traces | Ca: ≤0.005% |
| Fe: ≤5 ppm | |
| heavy metals (as Pb): ≤3 ppm | |
| K: ≤0.005% | |
| Mg: ≤0.003% | |
| density | 1.46 g/mL at 25 °C (lit.) |
| form | crystals |
| grade | ACS reagent |
| impurities | ≤0.01% insolubles |
| InChI | 1S/2Na.H2O4S.10H2O/c;;1-5 |
| InChI key | RSIJVJUOQBWMIM-UHFFFAOYSA |
| mp | 32.4 °C |
| pH | 5.2-9.2 (25 °C, 5%) |
| Quality Level | 200 ![]() |
| SMILES string | O.O.O.O.O.O.O.O.O.O.[Na+] |
| solubility | water: soluble 322.2 g/L at 20 °C |
| Application: | Sodium sulfate decahydrate may be used to deepen the color while dyeing cotton fabrics.6 |
| General description: | Sodium sulfate decahydrate is also called as Glauber′s salt. It shows promising characteristics as phase change material (PCM) due to its high solar thermal energy storage ability. |
| Packaging: | 100, 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| mp | 32.4 °C |
| Density | 1.46 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |

