Molekula
1,3-Propanediol
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
1,3-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.
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 in technical grade; 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.