(2R,4R)-(-)-2,4-Pentanediol

(2R,4R)-(-)-2,4-戊二醇

Also known as: (2R,4R)-(-)-2,4-Dihydroxypentane, (R,R)-(-)-2,4-Pentanediol, (2R,4R)-pentane-2,4-diol, MFCD00063893

(2R,4R)-(-)-2,4-Pentanediol (CAS 42075-32-1) 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. It is also known as (2R,4R)-(-)-2,4-Dihydroxypentane, (R,R)-(-)-2,4-Pentanediol and (2R,4R)-pentane-2,4-diol. Key properties include a melting point of 48-51ºC, a boiling point of 174.021ºC at 760 mmHg, a density of 0.978g/cm3 and a flash point of 72.784ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42075-32-1
Jingsj CID: J-13289-3
Molecular Formula: C₅H₁₂O₂
Chinese Name: (2R,4R)-(-)-2,4-戊二醇
Molecular Weight: 104.14800 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	48-51ºC
Boiling Point	174.021ºC at 760 mmHg
Density	0.978g/cm3
Flash Point	72.784ºC

Frequently Asked Questions

What is the CAS number of (2R,4R)-(-)-2,4-Pentanediol?

The CAS number of (2R,4R)-(-)-2,4-Pentanediol is 42075-32-1.

What are the molecular formula and molecular weight of (2R,4R)-(-)-2,4-Pentanediol?

(2R,4R)-(-)-2,4-Pentanediol has molecular formula C5H12O2 and molecular weight 104.14800 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2R,4R)-(-)-2,4-Pentanediol (CAS 42075-32-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13289-3 (accessed 2026-10-23).

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