Molekula
Sodium sulfate anhydrous ACS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium sulfate anhydrous ACS is a high-purity inorganic salt widely used as a drying agent, in laboratory buffers, and as a food additive (E514). It serves as an electrolyte in industrial processes and is essential for analytical chemistry applications requiring precise, contaminant-free reagents. This chemical has a CAS number of 7757-82-6, with the molecular formula Na₂SO₄ and a molecular weight of 142.04 g/mol. It is stable at ambient storage conditions with no signal word for hazards. Molekula supplies Sodium sulfate anhydrous ACS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Heavy metals | ≤5ppm |
| pH | 5.2 - 9.2 |
| Loss on Ignition | ≤0.5% |
| Chloride (Cl-) | ≤0.001% |
| Assay | ≥99.0% |
| Insoluble Matter | ≤0.01% |
| Iron (Fe) | ≤0.001% |
| Calcium (Ca) | ≤0.01% |
| Magnesium (Mg) | ≤0.005% |
| Potassium (K) | ≤0.01% |
| Phosphorous (P) | ≤0.001% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White orthorhombic crystals or powder |
| Odour | Odorless |
| Melting Point | 884 °C |
| Density | 2.7 (relative, water = 1) |
| Solubility (other solvents) | Soluble in glycerin; insoluble in alcohol |
| Refractive Index | 1.484 |
Source: PubChem CID 24436 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90029390 |
| CAS Number | 7757-82-6 |
| IUPAC Name | disodium;sulfate |
| EC Number | 231-820-9 |
| Molecular Formula | Na2SO4 |
| Molecular Weight | 142.04 |
| Exact Mass | 141.9313 |
| SMILES | [O-]S(=O)(=O)[O-].[Na+].[Na+] |
| InChIKey | PMZURENOXWZQFD-UHFFFAOYSA-L |
| InChI | InChI=1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 |
| PubChem CID | 24436 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 28331150 |
| Tariff Code | 2833110000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is sodium sulfate anhydrous ACS grade commonly used for?
Sodium sulfate anhydrous ACS grade is primarily used as a drying agent for organic solvents, in laboratory applications, and as a salt for adjusting ionic strength and salting out proteins in biochemical work due to its high purity.
What is the chemical formula and molecular weight of sodium sulfate anhydrous?
The chemical formula is Na₂SO₄ with a molecular weight of 142.04 g/mol.
How should sodium sulfate anhydrous be stored?
Store at ambient temperature in a cool, dry place, away from moisture and incompatible substances.
What purity grade is available for sodium sulfate anhydrous from Molekula?
Molekula supplies ACS grade sodium sulfate anhydrous, meeting strict analytical standards for laboratory use.
Can Molekula supply sodium sulfate anhydrous in bulk quantities?
Yes, Molekula can provide sodium sulfate anhydrous in bulk, with flexible packaging options for large orders.
What documentation comes with an order of sodium sulfate anhydrous?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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