2-(Carboxycarbonyl)benzoic acid
Also known as: 2-(carboxycarbonyl)benzoic acid, phthalonic acid, 2-oxalobenzoic acid, 2-(o-Carboxyphenyl)glyoxylic acid, 2-Carboxy-alpha-oxobenzeneacetic acid, 2-Carboxy-α-oxobenzeneacetic acid, α-Oxo-2-carboxybenzeneacetic acid, Aids-018114, Aids018114, Benzeneacetic acid, 2-carboxy-α-oxo-
2-(Carboxycarbonyl)benzoic acid (CAS 528-46-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6O5 and a molecular weight of 194.14100 g/mol. Key properties include a melting point of 140 °C, a boiling point of 406.1ºC at 760mmHg, a density of 1.515g/cm3 and a flash point of 213.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 528-46-1
- Jingsj CID
- J-1376396-7
- Molecular Formula
- C9H6O5
- Molecular Weight
- 194.14100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 140 °C |
|---|---|
| Boiling Point | 406.1ºC at 760mmHg |
| Density | 1.515g/cm3 |
| Flash Point | 213.6ºC |
| Exact Mass | 194.02200 |
| PSA | 91.67000 |
| LogP | 0.65210 |
| Refractive Index | 1.616 |
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-(Carboxycarbonyl)benzoic acid?
The CAS number of 2-(Carboxycarbonyl)benzoic acid is 528-46-1.
What are the molecular formula and molecular weight of 2-(Carboxycarbonyl)benzoic acid?
2-(Carboxycarbonyl)benzoic acid has molecular formula C9H6O5 and molecular weight 194.14100 g/mol.
What are the upstream and downstream products of 2-(Carboxycarbonyl)benzoic acid?
For 2-(Carboxycarbonyl)benzoic acid, Upstream Products: Naphthalene, 1,2-Dibromobenzene, 2-Bromobenzoic acid; Downstream Products: 4-oxo-3,4-dihydrophthalazine-1-carboxylic acid, Solvent Red 49, 2-(1,3-dioxoisoindol-2-yl)benzoic acid.
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-(Carboxycarbonyl)benzoic acid (CAS 528-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1376396-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.