Pentaethylene glycol
- IUPAC name
- 2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethanol
- Molecular formula
- C10H22O6
- Molecular weight
- 238.28 g/mol
- Exact mass
- 238.14163842 Da
- XLogP3
- -1.7
- Topological polar surface area
- 77.4 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 6
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:39631
- ChEMBL:CHEMBL1229766
- EPA DTXSID:DTXSID4027579
- PubMed:18825291
- PubMed:15835960
- PubMed:11914155
- PubMed:11734036
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: Liquid Source: EPA Chemical Data Reporting (CDR)
- Physical Description: Liquid; [OECD SIDS - Pentaethylene Glycol] Colorless liquid; [Alfa Aesar MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H315 (97.3%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (95.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 146 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Consumer Uses: Not Known or Reasonably Ascertainable Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Intermediate; Not Known or Reasonably Ascertainable; Viscosity modifiers; Emulsifier Source: EPA Chemical Data Reporting (CDR)
- Sources/Uses: Used in commercial mixtures (with tri- and tetraethylene glycols) added to brake fluids and in cement grinding; [OECD SIDS - Pentaethylene Glycol] Not manufactured in the pure form in the US; Commercial mixtures with tetraethylene glycol are produced as byproducts following distillation of ethylene, diethylene, and triethylene glycols; [OECD SIDS - Ethylene Glycols Category] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Industrial Processes with risk of exposure: Cement Producing [Category: Industry] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.