Molekula
1,3-Propanediol
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
1,3-Propanediol is a colorless, viscous liquid used as a chemical intermediate in the production of polymers, solvents, and personal care products. It is also employed in antifreeze formulations and as a humectant. CAS: 504-63-2, Molecular Formula: HO(CH₂)₃OH, Molecular Weight: 76.09 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies 1,3-Propanediol 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 |
|---|---|
| Appearance | Colourless transparent liquid |
| Water | ≤0.2% |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless to pale yellow, very viscid liquid |
| Boiling Point | 210-212 °C |
| Water Solubility | Miscible with water |
| Solubility (other solvents) | Very soluble in ethyl ether; slightly soluble in benzene |
| Vapour Pressure | 0.0441 mmHg at 25 °C |
| Refractive Index | 1.4398 |
| log P (octanol/water) | -1.04 |
Source: PubChem CID 10442 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 14201811 |
| CAS Number | 504-63-2 |
| IUPAC Name | propane-1,3-diol |
| EC Number | 207-997-3 |
| Molecular Formula | HO(CH2)3OH |
| Molecular Weight | 76.09 |
| Exact Mass | 76.0524 |
| SMILES | C(CO)CO |
| InChIKey | YPFDHNVEDLHUCE-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H8O2/c4-2-1-3-5/h4-5H,1-3H2 |
| PubChem CID | 10442 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2905399000 |
| Tariff Code | 2905399590 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- 1,3-Dihydroxypropane
- 1,3-Propylene glycol
- 1,3-Propylenediol
- 2-(Hydroxymethyl)ethanol
- 2-Deoxyglycerol
- 3-hydroxypropanol
- beta-Propylene glycol
- omega-Propanediol
- Propane-1,3-diol
- Trimethylene glycol
Frequently asked questions
What is 1,3-Propanediol used for?
It is used as a chemical intermediate in the production of polymers, resins, and solvents, and as a humectant in cosmetics and personal care products.
What is the chemical formula and molecular weight of 1,3-Propanediol?
The formula is HO(CH2)3OH with a molecular weight of 76.09 g/mol.
How should 1,3-Propanediol be stored?
It should be stored at ambient temperature, away from direct sunlight and moisture.
What grade of 1,3-Propanediol does Molekula supply?
Molekula supplies 1,3-Propanediol with an assay of ≥99.0% and water content of ≤0.2%, as a colourless transparent liquid; custom grades available upon request.
Can Molekula supply 1,3-Propanediol in bulk?
Yes, Molekula can supply 1,3-Propanediol in bulk quantities; please contact sales for pricing and logistics.
What documentation comes with an order of 1,3-Propanediol?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation available 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.