4-Nitrophenylacetic acid
Also known as: (4-nitrophenyl)acetic acid, 2-(4-nitrophenyl)acetic acid, 4-nitrobenzeneacetic acid, 4-nitro-α-toluic acid, p-nitrophenylacetic acid, para-nitrophenylacetic acid, para-nitrophenylethanoic acid, 4-nitrophenylethanoic acid
4-Nitrophenylacetic acid (CAS 104-03-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7NO4 and a molecular weight of 181.145 g/mol. Key properties include a melting point of 150-155 °C(lit.), a boiling point of 377.6±17.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 171.6±9.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 104-03-0
- Jingsj CID
- J-28858-4
- Molecular Formula
- C8H7NO4
- Molecular Weight
- 181.145 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150-155 °C(lit.) |
|---|---|
| Boiling Point | 377.6±17.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 171.6±9.4 °C |
| Exact Mass | 181.037506 |
| PSA | 83.12000 |
| LogP | 1.24 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.598 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Nitrophenylacetic acid?
The CAS number of 4-Nitrophenylacetic acid is 104-03-0.
What are the molecular formula and molecular weight of 4-Nitrophenylacetic acid?
4-Nitrophenylacetic acid has molecular formula C8H7NO4 and molecular weight 181.145 g/mol.
Is 4-Nitrophenylacetic acid hazardous?
4-Nitrophenylacetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-Nitrophenylacetic acid?
For 4-Nitrophenylacetic acid, Upstream Products: 4-Nitrophenylacetonitrile, (4-Aminophenyl)acetic acid, Methyl (4-nitrophenyl)acetate; Downstream Products: Diethyl 2-(4-nitrophenyl)malonate, Methyl 2-(4-aminophenyl)acetate, Ethyl 2-(4-nitrophenyl)acetate.
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-Nitrophenylacetic acid (CAS 104-03-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28858-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.