Molekula
1,5-Pentanediol
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1,5-Pentanediol is a diol (organic compound with two hydroxyl groups) widely used in the synthesis of polymers, resins, and as a solvent in industrial coatings, adhesives, and personal care products. It also acts directly as a plasticizer for cellulose products and adhesives, and as an additive in brake fluid formulations. It serves as a key intermediate in producing polyurethane elastomers, plasticizers, and specialty chemicals. This clear, colorless liquid has a CAS number of 111-29-5, molecular formula HO(CH2)5OH, and a molecular weight of 104.15. It is non-hazardous (no signal word) and stable under ambient storage conditions. Molekula supplies 1,5-Pentanediol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £26.30 per pack ex VAT · £31.56 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless transparent liquid |
| Refractive Index | 1.449 - 1.451 @20ºC |
| Colour (Pt-Co) | 15 max |
| Assay | 98.5% min |
| Acid Value (mg KOH/g) | 0.1 Max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 135 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Viscous, oily liquid |
| Melting Point | -18 °C |
| Boiling Point | 240 °C |
| Water Solubility | Miscible with water |
| Solubility (other solvents) | Soluble in alcohols, acetone, and relatively insoluble in aliphatic and aromatic hydrocarbons |
| Vapour Pressure | 3.90 × 10⁻³ mmHg at 25 °C |
| Refractive Index | 1.4499 |
Source: PubChem CID 8105 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90026229 |
| CAS Number | 111-29-5 |
| IUPAC Name | pentane-1,5-diol |
| EC Number | 203-854-4 |
| Molecular Formula | HO(CH2)5OH |
| Molecular Weight | 104.15 |
| Exact Mass | 104.0837 |
| SMILES | C(CCO)CCO |
| InChIKey | ALQSHHUCVQOPAS-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H12O2/c6-4-2-1-3-5-7/h6-7H,1-5H2 |
| PubChem CID | 8105 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2905399000 |
| Tariff Code | 2905399580 |
Safety & GHS
Precautionary statements
- P231+232 Handle under inert gas. Protect from moisture
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- .omega.-Pentanediol
- 1,5-Dihydroxypentane
- 1,5-Pentamethylene glycol
- 1,5-Pentandiol
- 1,5-Pentylene glycol
- 9JE
- alpha,omega-Pentanediol
- Pentamethylene glycol
- pentan-1,5-diol
- Pentane-1,5-diol
Frequently asked questions
What is 1,5-Pentanediol commonly used for?
1,5-Pentanediol is primarily used as a monomer in the production of polyesters, polyurethanes, and other polymers. It also serves as a solvent and intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals.
What is the chemical formula and molecular weight of 1,5-Pentanediol?
The chemical formula is **HO(CH₂)₅OH**, and the molecular weight is **104.15 g/mol**.
How should 1,5-Pentanediol be stored?
Store at **ambient temperature** in a tightly sealed container, away from sources of ignition and incompatible substances.
What grades of 1,5-Pentanediol does Molekula supply?
Molekula supplies **technical grade** 1,5-Pentanediol, suitable for industrial and specialty applications.
Can Molekula supply 1,5-Pentanediol in bulk quantities?
Yes, Molekula can provide **bulk quantities** of 1,5-Pentanediol, with flexible packaging options depending on customer requirements.
What documentation comes with an order of 1,5-Pentanediol?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.