4-(Hydroxymethyl)phenoxyacetic acid

4-(羟基甲基)苯氧基乙酸

Also known as: HMP Linker, HMP-Linker, HMPLinker, 2-[4-(hydroxymethyl)phenoxy]acetic acid, Acetic acid, 2-[4-(hydroxymethyl)phenoxy]-, MFCD00057827, [4-(Hydroxymethyl)phenoxy]acetic acid, 4-Hydroxymethylphenoxyacetic acid

4-(Hydroxymethyl)phenoxyacetic acid (CAS 68858-21-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. It is also known as HMP Linker, HMP-Linker and HMPLinker. Key properties include a melting point of 112-114 °C, a boiling point of 378.3±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 156.3±15.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
68858-21-9
Jingsj CID
J-38445-4
Molecular Formula
C9H10O4
Chinese Name
4-(羟基甲基)苯氧基乙酸
Molecular Weight
182.173 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112-114 °C
Boiling Point378.3±22.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point156.3±15.8 °C

Frequently Asked Questions

What is the CAS number of 4-(Hydroxymethyl)phenoxyacetic acid?

The CAS number of 4-(Hydroxymethyl)phenoxyacetic acid is 68858-21-9.

What are the molecular formula and molecular weight of 4-(Hydroxymethyl)phenoxyacetic acid?

4-(Hydroxymethyl)phenoxyacetic acid has molecular formula C9H10O4 and molecular weight 182.173 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(Hydroxymethyl)phenoxyacetic acid (CAS 68858-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38445-4 (accessed 2026-10-23).

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