Molekula
1,5-Pentanediol 97% min.
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1,5-Pentanediol is a colorless, hygroscopic liquid used as a chemical intermediate in the synthesis of polymers, resins, and plasticizers. It serves as a solvent and a building block in organic synthesis. Available in 97% purity, it has a molecular formula of HO(CH₂)₅OH, a molecular weight of 104.15 g/mol, and is stable at ambient storage conditions. No signal word applies. 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
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 |
|---|---|
| Water | ≤0.2% |
| Colour | ≤50 APHA |
| Assay | ≥97% |
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 | 90032723 |
| 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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 used for?
1,5-Pentanediol is used as a chemical intermediate in the synthesis of polymers, resins, and specialty chemicals, and as a solvent or plasticizer in various industrial applications.
What is the chemical formula and molecular weight of 1,5-Pentanediol?
The formula is HO(CH2)5OH and the molecular weight is 104.15 g/mol.
How should 1,5-Pentanediol be stored?
It should be stored at ambient temperature, protected from moisture and incompatible materials.
What grade of 1,5-Pentanediol does Molekula supply?
Molekula supplies 1,5-Pentanediol at 97% minimum purity, suitable for laboratory and industrial use.
Can Molekula supply 1,5-Pentanediol in bulk?
Yes, Molekula can supply 1,5-Pentanediol in bulk quantities—please contact us for pricing and availability.
What documentation comes with a purchase of 1,5-Pentanediol?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.