1,2-Pentanediol
Also known as: (±)-Pentane-1,2-diol, 1,2-Dihydroxypentane, 1,2-Pentylene glycol, Pentane-1,2-diol, Pentylene glycol, Propylethylene glycol, Hydrolite 5, n-Pentane-1,2-diol, PTD, NSC 513
1,2-Pentanediol (CAS 5343-92-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O2 and a molecular weight of 104.148 g/mol. Key properties include a boiling point of 206.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 104.4±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5343-92-0
- Jingsj CID
- J-35973-7
- Molecular Formula
- C5H12O2
- Molecular Weight
- 104.148 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 206.0±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 104.4±0.0 °C |
| Exact Mass | 104.083733 |
| PSA | 40.46000 |
| LogP | -0.28 |
| Vapor Pressure | 0.1±0.8 mmHg at 25°C |
| Refractive Index | 1.443 |
| Additional Property | miscible |
Customs & Trade Information
| HS Code | 2905399090 |
|---|---|
| Summary | 2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Pentanediol?
The CAS number of 1,2-Pentanediol is 5343-92-0.
What are the molecular formula and molecular weight of 1,2-Pentanediol?
1,2-Pentanediol has molecular formula C5H12O2 and molecular weight 104.148 g/mol.
What are the upstream and downstream products of 1,2-Pentanediol?
For 1,2-Pentanediol, Upstream Products: Furfuryl alcohol, Pent-1-ene, Microcrystalline cellulose; Downstream Products: 2-Pentanol, 1-Pentanol, Valeraldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Pentanediol (CAS 5343-92-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35973-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.