(S)-(+)-4-Penten-2-ol

(S)-(+)-4-戊烯-2-醇

Also known as: (2S)-4-Pentene-2-ol, (2S)-pent-4-en-2-ol, (S)-(+)-2-Hydroxypent-4-ene, (S)-4-Pentene-2-ol, MFCD03427200

(S)-(+)-4-Penten-2-ol (CAS 55563-79-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H10O and a molecular weight of 86.13230 g/mol. It is also known as (2S)-4-Pentene-2-ol, (2S)-pent-4-en-2-ol and (S)-(+)-2-Hydroxypent-4-ene. Key properties include a boiling point of 115.5ºC at 760 mmHg, a density of 0.827 g/cm3 and a flash point of 25.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55563-79-6
Jingsj CID: J-870160-2
Molecular Formula: C₅H₁₀O
Chinese Name: (S)-(+)-4-戊烯-2-醇
Molecular Weight: 86.13230 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	115.5ºC at 760 mmHg
Density	0.827 g/cm3
Flash Point	25.6ºC

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of (S)-(+)-4-Penten-2-ol?

The CAS number of (S)-(+)-4-Penten-2-ol is 55563-79-6.

What are the molecular formula and molecular weight of (S)-(+)-4-Penten-2-ol?

(S)-(+)-4-Penten-2-ol has molecular formula C5H10O and molecular weight 86.13230 g/mol.

Is (S)-(+)-4-Penten-2-ol hazardous?

(S)-(+)-4-Penten-2-ol has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(S)-(+)-4-Penten-2-ol (CAS 55563-79-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-870160-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.