Sodium butyrate
An organic sodium salt resulting from the replacement of the proton from the carboxy group of butyric acid by a sodium ion. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 156-54-7 | ChEBI ↗ |
| Molecular formula | C4H7O2.Na | ChEBI ↗ |
| Molar mass | 110.088 g/mol | ChEBI ↗ |
| Monoisotopic mass | 110.03437 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:64103 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 110.09 g/mol | PubChem ↗ |
| Exact mass | 110.03437374 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 butyratesodium butanoateMFBOGIVSZKQAPD-UHFFFAOYSA-MCCCC(=O)[O-].[Na+]InChI=1S/C4H8O2.Na/c1-2-3-4(5)6;/h2-3H2,1H3,(H,5,6);/q;+1/p-1Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Mass ↔ amount of substance
Calculated from sourced massUses 110.088 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCONaHCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & 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.