4-Methoxy-2-nitrobenzoic acid
Also known as: 2-Nitro-4-methoxybenzoic acid, 2-Nitro-p-anisic acid, 4-Carboxy-3-nitroanisole, 2-Nitroanisic acid, 2-Nitro-p-anisic Acid, RARECHEM AL BO 1421, MFCD04972109, Benzoic acid, 4-methoxy-2-nitro-, 2-Nitro-anissaeure
4-Methoxy-2-nitrobenzoic acid (CAS 33844-21-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7NO5 and a molecular weight of 197.145 g/mol. Key properties include a melting point of 196.5-200.5 °C(lit.), a boiling point of 372.9±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 179.3±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33844-21-2
- Jingsj CID
- J-48158-3
- Molecular Formula
- C8H7NO5
- Molecular Weight
- 197.145 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 196.5-200.5 °C(lit.) |
|---|---|
| Boiling Point | 372.9±27.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 179.3±23.7 °C |
| Exact Mass | 197.032425 |
| PSA | 92.35000 |
| LogP | 1.93 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.588 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. 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-Methoxy-2-nitrobenzoic acid?
The CAS number of 4-Methoxy-2-nitrobenzoic acid is 33844-21-2.
What are the molecular formula and molecular weight of 4-Methoxy-2-nitrobenzoic acid?
4-Methoxy-2-nitrobenzoic acid has molecular formula C8H7NO5 and molecular weight 197.145 g/mol.
Is 4-Methoxy-2-nitrobenzoic acid hazardous?
4-Methoxy-2-nitrobenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 4-Methoxy-2-nitrobenzoic acid?
For 4-Methoxy-2-nitrobenzoic acid, Upstream Products: 4-Methoxy-2-nitrobenzonitrile, 4-Methyl-3-nitroanisole, 4-Methoxy-2-nitrobenzaldehyde; Downstream Products: 2-Amino-4-methoxybenzoic acid, 3-Nitroanisole, 2-Amino-4-methoxybenzamide.
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-Methoxy-2-nitrobenzoic acid (CAS 33844-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48158-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.