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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112-114 °C |
|---|---|
| Boiling Point | 378.3±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 156.3±15.8 °C |
| Exact Mass | 182.057907 |
| PSA | 66.76000 |
| LogP | 0.16 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.573 |
Activity & Biological Data
| Additional Information | [1]. C T Bui, et al. Improving the performance of an acid-labile 4-hydroxymethyl phenoxyacetic acid (HMP) linker on resin and SynPhase grafted solid-supports. J Pept Sci. 2000 Oct;6(10):534-8. |
|---|
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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.
What are the upstream and downstream products of 4-(Hydroxymethyl)phenoxyacetic acid?
For 4-(Hydroxymethyl)phenoxyacetic acid, Upstream Products: Sodium bicarbonate, 4-(Bromomethyl)phenoxyacetic acid, ethyl 2-[4-(hydroxymethyl)phenoxy]acetate.
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.