![Molecular structure of 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid (CAS 65813-55-0)](/images/chem_structures_svg/397/65813-55-0.svg)
2-[4-(2-Methylpropanoyl)phenyl]propanoic acid
Also known as: 1-Oxo Ibuprofen, (RS)-2-(4-Isobutyrylphenyl)propionic acid, 2-(4-Isobutyrylphenyl)propanoic acid, Ibuprofen Impurity J
2-[4-(2-Methylpropanoyl)phenyl]propanoic acid (CAS 65813-55-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H16O3 and a molecular weight of 220.26400 g/mol. Key properties include a melting point of 85-87ºC, a boiling point of 377.952ºC at 760 mmHg, a density of 1.107g/cm3 and a flash point of 196.555ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 65813-55-0
- Jingsj CID
- J-1974628-2
- Molecular Formula
- C13H16O3
- Molecular Weight
- 220.26400 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 85-87ºC |
|---|---|
| Boiling Point | 377.952ºC at 760 mmHg |
| Density | 1.107g/cm3 |
| Flash Point | 196.555ºC |
| Exact Mass | 220.11000 |
| PSA | 54.37000 |
| LogP | 2.71340 |
| Refractive Index | 1.528 |
| Storage Conditions | -20°C Freezer |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. YongFang Rao, et al. Degradation of ibuprofen by a synergistic UV/Fe(III)/Oxone process. Chemical Engineering Journal. Volume 283, 1 January 2016, Pages 65-75. [2]. Noreen Y, et al. Development of a radiochemical cyclooxygenase-1 and -2 in vitro assay for identification of natural products as inhibitors of prostaglandin biosynthesis. J Nat Prod. 1998 Jan;61(1):2-7. |
|---|
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone 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 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid?
The CAS number of 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid is 65813-55-0.
What are the molecular formula and molecular weight of 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid?
2-[4-(2-Methylpropanoyl)phenyl]propanoic acid has molecular formula C13H16O3 and molecular weight 220.26400 g/mol.
Is 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid hazardous?
2-[4-(2-Methylpropanoyl)phenyl]propanoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid?
For 2-[4-(2-Methylpropanoyl)phenyl]propanoic acid, Upstream Products: Ibuprofen.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-[4-(2-Methylpropanoyl)phenyl]propanoic acid (CAS 65813-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1974628-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.