# Sodium t-butoxide

CAS: 865-48-5
PubChem CID: 23676156
InChIKey: MFRIHAYPQRLWNB-UHFFFAOYSA-N
Wikidata: Q5237011
Molecular formula: C₄H₉NaO
Molar mass: 96.10 g/mol
IUPAC: sodium 2-methylpropan-2-olate
SMILES: CC(C)(C)[O-].[Na+]
InChI: InChI=1S/C4H9O.Na/c1-4(2,3)5;/h1-3H3;/q-1;+1
PSA: 23.1 A^2
Hydrogen bond donors: 0
Hydrogen bond acceptors: 1
Rotatable bonds: 0
Heavy atoms: 6
3D structure: 15 atoms, 14 bonds

## About the compound

Sodium t-butoxide is a chemical compound registered under CAS number 865-48-5. Molecular formula: C₄H₉NaO. Molar mass: 96.10 g/mol. The full systematic IUPAC name is: sodium 2-methylpropan-2-olate. The molecule contains 15 atoms connected by 14 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molecule/865-48-5/


## Synonyms

  - Sodium 2-methylpropan-2-olate
  - sodium t-butoxide
  - sodium;2-methylpropan-2-olate
  - (tert-butoxy)sodium
  - 2-Propanol, 2-methyl-, sodium salt
  - EINECS 212-741-9
  - sodium t-butanolate
  - sodium tert butoxide
  - sodium tert-butanolate
  - sodium-t-butoxide
  - 2-Propanol, 2-methyl-, sodium salt (1:1)
  - EC 212-741-9

## Data sources

  - PubChem CID 23676156: https://pubchem.ncbi.nlm.nih.gov/compound/23676156
  - Wikidata: https://www.wikidata.org/wiki/Q5237011
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=865-48-5
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=865-48-5

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Last updated: 2026-10-17
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