(R)-(-)-2-Methyl-2,4-pentanediol

(R)-(-)-2-甲基-2,4-戊二醇

Also known as: (-)-Hexylene glycol, (R)-2-Methylpentane-2,4-diol, (4R)-2-Methyl-2,4-pentanediol, R-(-)-2-Methyl-2,4-pentanediol, MFCD00064275, R-MPD

(R)-(-)-2-Methyl-2,4-pentanediol (CAS 99210-90-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H14O2 and a molecular weight of 118.17400 g/mol. It is also known as (-)-Hexylene glycol, (R)-2-Methylpentane-2,4-diol and (4R)-2-Methyl-2,4-pentanediol. Key properties include a melting point of 26.38°C (estimate), a boiling point of 197ºC, a density of 0.92 and a flash point of 215 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99210-90-9
Jingsj CID
J-1501542-8
Molecular Formula
C6H14O2
Chinese Name
(R)-(-)-2-甲基-2,4-戊二醇
Molecular Weight
118.17400 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point26.38°C (estimate)
Boiling Point197ºC
Density0.92
Flash Point215 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of (R)-(-)-2-Methyl-2,4-pentanediol is 99210-90-9.

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

(R)-(-)-2-Methyl-2,4-pentanediol has molecular formula C6H14O2 and molecular weight 118.17400 g/mol.

Is (R)-(-)-2-Methyl-2,4-pentanediol hazardous?

(R)-(-)-2-Methyl-2,4-pentanediol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "(R)-(-)-2-Methyl-2,4-pentanediol (CAS 99210-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501542-8 (accessed 2026-10-26).

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