Sodium sulfate
SIGALD/793531 - anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, ≥99%
CAS Number: 7757-82-6
Empirical Formula (Hill Notation): Na2O4S
Molecular Weight: 142.04
EC Number: 231-820-9
MDL Number: MFCD00003504
Linear Formula: Na2SO4
Product Type: Chemical
Redi-Dri free-flowing salts
Free-flowing salts
Loss on Drying Graph
The Redi-Dri™ packaging system eliminates the common issue of clumping that is noted with many hygroscopic salts and buffers and provides free-flowing, ready-to- use material at all times.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 793531-500G
This image depicts SKU: 793531-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 793531-1KG
This image depicts SKU: 793531-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 793531-2.5KG
This image depicts SKU: 793531-2.5KG
| assay | ≥99% |
| density | 2.68 g/mL at 25 °C (lit.) |
| form | powder |
| grade | anhydrous |
| InChI | 1S/2Na.H2O4S/c;;1-5(2,3)4 |
| InChI key | PMZURENOXWZQFD-UHFFFAOYSA |
| loss | ≤0.5% loss on drying |
| mp | 884 °C (lit.) |
| pH | 5.2-8 (20 °C, 50 g/L) |
| product line | ReagentPlus® |
| Redi-Dri™ | |
| quality | free-flowing |
| Quality Level | 100  |
| SMILES string | [Na+].[Na+].[O-]S([O-])(= |
| Application: | • Iron Phosphate Purification: Sodium sulfate is involved in methods for removing impurities from chemical compounds. A recent study focused on developing a technique to remove sodium sulfate from iron phosphate, which is crucial for producing high-purity materials for various industrial applications. This research highlights sodium sulfate′s role in refining chemical processes and improving product quality (Li et al., Advances in Analytical Chemistry, 2022  ). |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1, 2.5 kg in poly bottle |
| Packaging: | 5, 12 kg in poly drum |
| Packaging: | 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% |
| mp | 884 °C (lit.) |
| Density | 2.68 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |