(S)-1,2-pentanediol

Also known as: (S)-pentane-1,2-diol, (S)-1,2-dihydroxypentane

(S)-1,2-pentanediol (CAS 29117-54-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O2 and a molecular weight of 104.14800 g/mol. Key properties include a boiling point of 199.5ºC at 760 mmHg, a density of 0.974 g/cm3 and a flash point of 101.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29117-54-2
Jingsj CID: J-988375-4
Molecular Formula: C₅H₁₂O₂
Molecular Weight: 104.14800 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	199.5ºC at 760 mmHg
Density	0.974 g/cm3
Flash Point	101.7ºC
Exact Mass	104.08400
PSA	40.46000
LogP	0.13970

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 (S)-1,2-pentanediol?

The CAS number of (S)-1,2-pentanediol is 29117-54-2.

What are the molecular formula and molecular weight of (S)-1,2-pentanediol?

(S)-1,2-pentanediol has molecular formula C5H12O2 and molecular weight 104.14800 g/mol.

What are the upstream and downstream products of (S)-1,2-pentanediol?

For (S)-1,2-pentanediol, Upstream Products: Valeraldehyde, (S)-2-Hydroxyvaleric Acid; Downstream Products: Ethyl 3-hydroxyhexanoate, (S)-1,2-epoxypentane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(S)-1,2-pentanediol (CAS 29117-54-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-988375-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.