4-Acetamidobenzoic acid
Also known as: p-Acetylamino benzoic acid, p-Acetamidobenzoic acid, Acedoben, N-Acetyl-4-aminobenzoic acid, 4-Acetylaminobenzoic acid, 4-Carboxyacetanilide, p-Carboxyacetanilide, Benzoic acid, 4-(acetylamino)-, Benzoic acid, 4-acetamido-, Benzoic acid, p-acetamido-, 4-(acetylamino)benzoic acid, N-Acetyl-PABA, PAAB, PAABA, Acedobene, Acedobenum, p-Acetaminobenzoic acid, para-acetamidobenzoic acid, MFCD00002534, EINECS 209-114-7
4-Acetamidobenzoic acid (CAS 556-08-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9NO3 and a molecular weight of 179.17 g/mol. Key properties include a melting point of 259-262 °C (dec.)(lit.), a boiling point of 439.6±28.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 219.7±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 556-08-1
- Jingsj CID
- J-47525-2
- Molecular Formula
- C9H9NO3
- Molecular Weight
- 179.17 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 259-262 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 439.6±28.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 219.7±24.0 °C |
| Exact Mass | 179.058243 |
| PSA | 66.40000 |
| LogP | 1.31 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.620 |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Additional Property | <0.1 g/100 mL at 21 ºC |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Acetamidobenzoic acid?
The CAS number of 4-Acetamidobenzoic acid is 556-08-1.
What are the molecular formula and molecular weight of 4-Acetamidobenzoic acid?
4-Acetamidobenzoic acid has molecular formula C9H9NO3 and molecular weight 179.17 g/mol.
What are the upstream and downstream products of 4-Acetamidobenzoic acid?
For 4-Acetamidobenzoic acid, Upstream Products: 4-aminobenzoic acid, acetic acid, p-Acetotoluidide; Downstream Products: 4-Acetamidosalicylic acid, 4-Amino-3,5-dibromobenzoic acid, butamben.
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-Acetamidobenzoic acid (CAS 556-08-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47525-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.