alpha-Cyclopentylmandelic acid
Also known as: 2-Cyclopentylmandelic acid, 2-cyclopentyl-2-hydroxy-2-phenylacetic acid, Cyclopentylphenylglycolic acid, CM acid, Cyclopentyl(hydroxy)phenylacetic acid, alpha-Cyclopentyl-DL-mandelic acid, Benzeneacetic acid, α-cyclopentyl-α-hydroxy-
alpha-Cyclopentylmandelic acid (CAS 427-49-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H16O3 and a molecular weight of 220.264 g/mol. Key properties include a melting point of 144-150 °C, a boiling point of 395.6±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 207.2±18.8 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 427-49-6
- Jingsj CID
- J-8954-3
- Molecular Formula
- C13H16O3
- Molecular Weight
- 220.264 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 144-150 °C |
|---|---|
| Boiling Point | 395.6±22.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 207.2±18.8 °C |
| Exact Mass | 220.109940 |
| PSA | 57.53000 |
| LogP | 2.77 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.590 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
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 alpha-Cyclopentylmandelic acid?
The CAS number of alpha-Cyclopentylmandelic acid is 427-49-6.
What are the molecular formula and molecular weight of alpha-Cyclopentylmandelic acid?
alpha-Cyclopentylmandelic acid has molecular formula C13H16O3 and molecular weight 220.264 g/mol.
Is alpha-Cyclopentylmandelic acid hazardous?
alpha-Cyclopentylmandelic acid has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of alpha-Cyclopentylmandelic acid?
For alpha-Cyclopentylmandelic acid, Upstream Products: Benzoylformic acid, Cyclopentylmagnesium bromide, Methyl cyclopentylphenylglycolate; Downstream Products: Cyclopentyl phenyl ketone, Methyl cyclopentylphenylglycolate, N-Methyl-3-pyrrolidinyl Cyclopentylmandelate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "alpha-Cyclopentylmandelic acid (CAS 427-49-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8954-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.