Pentaethylene glycol
Synonym(s):3,6,9,12-Tetraoxatetradecane-1,14-diol;Pentaglycol
- CAS NO.：4792-15-8
- Empirical Formula: C10H22O6
- Molecular Weight: 238.28
- MDL number: MFCD00002878
- EINECS: 225-341-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-25 11:31:46
What is Pentaethylene glycol?
Description
Pentaethylene glycol is a polymer consisting of ethylene glycol monomers and two terminal hydroxyl groups. The PEG chain increases the water solubility of a compound in aqueous media. Increasing the number of ethylene glycol units within the entire chain improves the solubility properties of the PEG linker.
Chemical properties
colourless liquid
The Uses of Pentaethylene glycol
Pentaethylene glycol is part of a group of compounds called polyethylene glycols (PEGs), which are major byproducts of non-ionic surfactants biodegradation. Pentaethylene glycol is a useful synthetic intermediate, and is used as a reagent to synthesize macrocyclic oligoesters through lipase-catalysis.
The Uses of Pentaethylene glycol
Intermediate in the synthesis of cyclic and noncyclic polyethers, complexing agents and immobilized phase-transfer catalysts
What are the applications of Application
Pentaethylene glycol is a useful intermediate
Definition
ChEBI: Pentaethylene glycol is a poly(ethylene glycol).
Synthesis Reference(s)
Synthetic Communications, 16, p. 19, 1986 DOI: 10.1080/00397918608057683
Properties of Pentaethylene glycol
| Melting point: | -8.6°C |
| Boiling point: | 184 °C/2 mmHg (lit.) |
| Density | 1.126 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly) |
| pka | 14.06±0.10(Predicted) |
| form | Liquid |
| color | Clear colorless to yellow |
| Specific Gravity | 1.125 |
| Water Solubility | Miscible with water. |
| BRN | 1635593 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides. |
| CAS DataBase Reference | 4792-15-8(CAS DataBase Reference) |
| EPA Substance Registry System | 3,6,9,12-Tetraoxatetradecane-1,14-diol (4792-15-8) |
Safety information for Pentaethylene glycol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Pentaethylene glycol
| InChIKey | JLFNLZLINWHATN-UHFFFAOYSA-N |
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