Sodium sulfate
Sodium sulfate is indexed in ChEBI under CHEBI:32149, with the reported formula 2Na.O4S. Use the source record and structural identifiers below to confirm the material you need. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 7757-82-6 | ChEBI ↗ |
| Molecular formula | 2Na.O4S | ChEBI ↗ |
| Molar mass | 142.043 g/mol | ChEBI ↗ |
| Monoisotopic mass | 141.93127 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:32149 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 142.04 g/mol | PubChem ↗ |
| Exact mass | 141.93126821 Da | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifiersodium sulfatesodium sulfatePMZURENOXWZQFD-UHFFFAOYSA-LO=S(=O)([O-])[O-].[Na+].[Na+]InChI=1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2Classification & relationships
ChEBI ontologySafety classification · Japan
NITE / Japanese governmentDisodium sulfate · R01-A-017
| Endpoint | Reported classification |
|---|---|
| Explosives | * |
| Flammable gases （including chemically unstable gases） | * |
| Aerosols | * |
| Oxidizing gases | * |
| Gases under pressure | * |
| Flammable liquids | * |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 142.043 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Research & patent references
Selected source associationsExplore literature using this exact identifier.
Sources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.