Chemicals and Drugs

Propylene Glycol

A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.

Chemical Identity

Chemical Information

Molecular Formula
C3H8O2
Molecular Weight
76.09 g/mol
CAS Registry No.
57-55-6
IUPAC Name
propane-1,2-diol
InChIKey
DNIAPMSPPWPWGF-UHFFFAOYSA-N
SMILES
CC(CO)O
MeSH Unique ID
D019946
Source
PubChem CID 1030

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

10 entry terms
  • 1,2-Propanediol
  • Propan-1,2-Diol
  • 1,2 Propanediol
  • Glycol, Propylene
  • Propylene Glycol Monohydrate
  • Propylene Glycol Sodium Salt
  • Propylene Glycol, (+-)-Isomer
  • Propylene Glycol, (R)-Isomer
  • Propylene Glycol, (S)-Isomer
  • Monohydrate, Propylene Glycol

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

PROPYLENE GLYCOLS is also available

MeSH Record

History Note

98; use PROPYLENE GLYCOL (NM) 1980-97

MeSH Record

Previous Indexing

  • Propylene Glycols (1972-1997)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Propylene Glycol. Medical Subject Headings (MeSH). 2026. Unique ID D019946. http://id.nlm.nih.gov/mesh/2026/D019946
  2. Propylene Glycol. In: Wikipedia. https://en.wikipedia.org/wiki/Propylene_glycol
  3. Propylene Glycol. In: Wikidata. https://www.wikidata.org/wiki/Q161495
  4. Propylene Glycol. In: PubChem Compound. CID 1030. https://pubchem.ncbi.nlm.nih.gov/compound/1030