Glycerol
A triol with a structure of propane substituted at positions 1, 2 and 3 by hydroxy groups. — ChEBI
Safety documents & references
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Identity & molecular properties
Source-linked values| CAS number | 56-81-5 | ChEBI ↗ |
| Molecular formula | C3H8O3 | ChEBI ↗ |
| Molar mass | 92.094 g/mol | ChEBI ↗ |
| Monoisotopic mass | 92.04734 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:17754 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 92.09 g/mol | PubChem ↗ |
| Exact mass | 92.047344113 Da | PubChem ↗ |
| Computed XLogP | -1.8 | PubChem ↗ |
| Topological polar surface area (Ų) | 60.7 | PubChem ↗ |
| H-bond donors | 3 | PubChem ↗ |
| H-bond acceptors | 3 | PubChem ↗ |
| Rotatable bonds | 2 | 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 identifierglycerolpropane-1,2,3-triolPEDCQBHIVMGVHV-UHFFFAOYSA-NOCC(O)COInChI=1S/C3H8O3/c4-1-3(6)2-5/h3-6H,1-2H2Names & 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 92.094 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsOCHCalculated 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.