3-Hydroxyphenylacetic acid
Also known as: m-Hydroxyphenylacetic acid, 2-(3-hydroxyphenyl)acetic acid, (3-Hydroxyphenyl)acetic acid, 3-hydroxy-benzeneacetic acid, Benzeneacetic acid, 3-hydroxy-, meta hydroxy phenyl acetic acid, 3-HYDROXYPHENYLACETIC ACID, M-HYDROXYPHENYLACETIC ACID
3-Hydroxyphenylacetic acid (CAS 621-37-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O3 and a molecular weight of 152.147 g/mol. Key properties include a melting point of 129-133 °C(lit.), a boiling point of 349.0±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 179.1±17.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 621-37-4
- Jingsj CID
- J-886821-1
- Molecular Formula
- C8H8O3
- Molecular Weight
- 152.147 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 129-133 °C(lit.) |
|---|---|
| Boiling Point | 349.0±17.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 179.1±17.4 °C |
| Exact Mass | 152.047348 |
| PSA | 57.53000 |
| LogP | 0.77 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.596 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Hydroxyphenylacetic acid?
The CAS number of 3-Hydroxyphenylacetic acid is 621-37-4.
What are the molecular formula and molecular weight of 3-Hydroxyphenylacetic acid?
3-Hydroxyphenylacetic acid has molecular formula C8H8O3 and molecular weight 152.147 g/mol.
Is 3-Hydroxyphenylacetic acid hazardous?
3-Hydroxyphenylacetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Hydroxyphenylacetic acid?
For 3-Hydroxyphenylacetic acid, Upstream Products: 3'-Hydroxyacetophenone, 3-Methoxyphenylacetic acid, 3-(2-Hydroxyethyl)phenol; Downstream Products: methyl 2-(3-cyanophenyl)acetate, 2-(3-Isopropoxyphenyl)acetic acid, Methyl 3-hydroxyphenylacetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Hydroxyphenylacetic acid (CAS 621-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-886821-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.