4-Formylbenzoic acid
Also known as: 4-Carboxybenzaldehyde, p-Carboxybenzaldehyde, Terephthalaldehydic acid, 4-Formyl-benzoic acid, p-Formylbenzoic acid, Benzoic acid, 4-formyl-, Terephthaldehydic acid, 4-Carboxybenzaladehyde, 4-formyl-benzoicaci
4-Formylbenzoic acid (CAS 619-66-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O3 and a molecular weight of 150.13 g/mol. Key properties include a melting point of 247 °C(lit.), a boiling point of 332.6±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 169.2±19.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 619-66-9
- Jingsj CID
- J-1327-4
- Molecular Formula
- C8H6O3
- Molecular Weight
- 150.13 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 247 °C(lit.) |
|---|---|
| Boiling Point | 332.6±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 169.2±19.7 °C |
| Exact Mass | 150.031693 |
| PSA | 54.37000 |
| LogP | 1.76 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.620 |
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 4-Formylbenzoic acid?
The CAS number of 4-Formylbenzoic acid is 619-66-9.
What are the molecular formula and molecular weight of 4-Formylbenzoic acid?
4-Formylbenzoic acid has molecular formula C8H6O3 and molecular weight 150.13 g/mol.
What are the upstream and downstream products of 4-Formylbenzoic acid?
For 4-Formylbenzoic acid, Upstream Products: Terephthalaldehyde, p-Xylene, Carbon dioxide; Downstream Products: 4-(Hydroxymethyl)benzoic acid, Methyl 4-(chloromethyl)benzoate, 4-[(E)-[4-oxo-2-thioxo-3-[3-(trifluoromethyl)phenyl]-1,3-thiazolidin-5-ylidene]methyl]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. "4-Formylbenzoic acid (CAS 619-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.