4-Methylmandelic acid
Also known as: Benzeneacetic acid, a-hydroxy-4-methyl-, 2-hydroxy-2-(4-methylphenyl)acetic acid, 2-p-tolyl-2-hydroxyethanoic acid, Hydroxy-p-tolyl-acetic acid, p-Methylmandelic acid, 4-METHYLMALDELIC ACID, NSC 126594, alpha-Hydroxy-4-methylphenyl-acetic acid, p-Methylphenylhydroxyacetic acid
4-Methylmandelic acid (CAS 18584-20-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.17400 g/mol. Key properties include a boiling point of 336.4ºC at 760mmHg, a density of 1.264g/cm3 and a flash point of 171.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18584-20-8
- Jingsj CID
- J-8552-9
- Molecular Formula
- C9H10O3
- Molecular Weight
- 166.17400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 336.4ºC at 760mmHg |
|---|---|
| Density | 1.264g/cm3 |
| Flash Point | 171.4ºC |
| Exact Mass | 166.06300 |
| PSA | 57.53000 |
| LogP | 1.11300 |
| Vapor Pressure | 4.41E-05mmHg at 25°C |
| Refractive Index | 1.579 |
Customs & Trade Information
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Methylmandelic acid?
The CAS number of 4-Methylmandelic acid is 18584-20-8.
What are the molecular formula and molecular weight of 4-Methylmandelic acid?
4-Methylmandelic acid has molecular formula C9H10O3 and molecular weight 166.17400 g/mol.
What are the upstream and downstream products of 4-Methylmandelic acid?
For 4-Methylmandelic acid, Upstream Products: 4'-Methylacetophenone, p-Tolualdehyde, Carbon dioxide; Downstream Products: p-Tolualdehyde, 2-(4-methylphenyl)-2-oxoacetic acid, Methyl 2-chloro-2-(4-methylphenyl)acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylmandelic acid (CAS 18584-20-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8552-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.