propylene glycol
Also known as: 1,2-Propanediol, propane-1,2-diol, (±)-1,2-Propanediol, EINECS 200-338-0, MFCD00064272
propylene glycol (CAS 57-55-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C3H8O2 and a molecular weight of 76.094 g/mol. Key properties include a melting point of -60ºC, a boiling point of 184.8±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 107.2±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 57-55-6
- Jingsj CID
- J-28474-5
- Molecular Formula
- C3H8O2
- Molecular Weight
- 76.094 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -60ºC |
|---|---|
| Boiling Point | 184.8±8.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 107.2±0.0 °C |
| Exact Mass | 76.052429 |
| PSA | 40.46000 |
| LogP | -1.34 |
| Additional Property | 2.62 (vs air) |
| Vapor Pressure | 0.2±0.8 mmHg at 25°C |
| Refractive Index | 1.430 |
| Additional Property | miscible |
Activity & Biological Data
| Additional Information | [1]. De Cock RF, et al. Low but inducible contribution of renal elimination to clearance of propylene glycol in preterm and term neonates. Ther Drug Monit. 2014 Jun;36(3):278-87. |
|---|
Customs & Trade Information
| HS Code | 2905320000 |
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Frequently Asked Questions
What is the CAS number of propylene glycol?
The CAS number of propylene glycol is 57-55-6.
What are the molecular formula and molecular weight of propylene glycol?
propylene glycol has molecular formula C3H8O2 and molecular weight 76.094 g/mol.
What are the upstream and downstream products of propylene glycol?
For propylene glycol, Upstream Products: Glycerol, Microcrystalline cellulose, sucrose; Downstream Products: Propargyl alcohol propoxylate, 4-Methyl-1,3,2-dioxathiolane 2,2-dioxide, 2-Chloro-1-propanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "propylene glycol (CAS 57-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28474-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.