Sodium sulphate, ACS reagent, ≥99%
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About Sodium sulphate, ACS reagent, ≥99%
Sodium sulphate, ACS reagent, ≥99% sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. Key data (ACS): CAS 7757-82-6, formula Na2O4S and molar mass 142.04 g/mol. Typical appearance is granular.
Use cases we see most often
- Surfactants & detergency
- Materials research
Safe handling
Keep the container room temperature. Literature values: melting point 884 °C and density 2.68 g/mL at 25 °C. It carries the GHS signal word Danger (H320 and H370), so wear gloves and eye protection and work with good ventilation.
Order it in 500 g and 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Surfactants & detergency
- Materials research
Applications
Grade guides
Specifications and identifiers
| Product name | Sodium sulphate, ACS reagent, ≥99% |
|---|---|
| Catalogue number | ZX-013292 |
| CAS number | 7757-82-6 |
| IUPAC name | disodium;sulfate |
| Molecular formula | Na2O4S |
| Molar mass | 142.04 g/mol |
| Exact mass | 141.9313 |
| Grade | ACS |
| Purity / assay | ≥99% |
| Physical form | Granules |
| Appearance | Granular |
| Melting point | 884 °C |
| Density | 2.68 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 88.6 Ų |
| Storage | Room temperature |
| HS code | 28331990 |
| InChIKey | PMZURENOXWZQFD-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)(=O)[O-].[Na+].[Na+] |
| PubChem CID | 24436 |
| Synonyms | Disodium sulfate, Sodium sulfate anhydrous, Sodium sulfate, anhydrous, Salt cake, Sulfuric acid disodium salt, Disodium sulphate, Sodium sulphate anhydrous, Sodium sulfate (2:1), Bisodium sulfate, Sodium sulfate, dried, Anhydrous sodium sulfate, Disodium monosulfate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H320Causes eye irritation
- H370Causes damage to organs
Precautionary statements P260, P264, P264 + P265, P270, P305 + P351 + P338, P308 + P316, P321, P337 + P317, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Sodium sulphate, ACS reagent, ≥99%
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Other grades with CAS 7757-82-6
All 9 grades- CAS
- 7757-82-6
- Formula
- Na2O4S
- MW
- 142.04 g/mol
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