O-Desmethylnaproxen
Also known as: (2S)-2-(6-hydroxynaphthalen-2-yl)propanoic acid, (S)-2-(6-Hydroxy-2-naphthyl)propionic Acid, (S)-6-Demethylnaproxen, (S)-6-O-Desmethylnaproxen, (S)-O-Desmethyl Naproxen, (aS)-6-Hydroxy-a-methyl-2-naphthaleneacetic Acid, (aS)-6-Hydroxy-α-methyl-2-naphthaleneacetic Acid, (s)-6-hydroxy-α-methyl-2-naphthaleneacetic acid, Naproxen Impurity 1 (Naproxen EP Impurity A), Naproxen EP Impurity A
O-Desmethylnaproxen (CAS 52079-10-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H12O3 and a molecular weight of 216.23300 g/mol. Key properties include a melting point of 182-183ºC, a boiling point of 444.1ºC at 760mmHg and a flash point of 236.5ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 52079-10-4
- Jingsj CID
- J-1368383-5
- Molecular Formula
- C13H12O3
- Molecular Weight
- 216.23300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 182-183ºC |
|---|---|
| Boiling Point | 444.1ºC at 760mmHg |
| Flash Point | 236.5ºC |
| Exact Mass | 216.07900 |
| PSA | 57.53000 |
| LogP | 2.73350 |
| Appearance | white |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H400 — Very toxic to aquatic life
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 O-Desmethylnaproxen?
The CAS number of O-Desmethylnaproxen is 52079-10-4.
What are the molecular formula and molecular weight of O-Desmethylnaproxen?
O-Desmethylnaproxen has molecular formula C13H12O3 and molecular weight 216.23300 g/mol.
Is O-Desmethylnaproxen hazardous?
O-Desmethylnaproxen has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H400 — Very toxic to aquatic life.
What are the upstream and downstream products of O-Desmethylnaproxen?
For O-Desmethylnaproxen, Upstream Products: (±)-2-(6-Methoxy-2-naphthyl)propionic acid, Naproxen, 6-Methoxy-2-naphthaleneacetic acid; Downstream Products: (±)-2-(6-Methoxy-2-naphthyl)propionic acid, (S)-Methyl 2-(6-methoxynaphthalen-2-yl)propanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "O-Desmethylnaproxen (CAS 52079-10-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368383-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.