2-Methoxy-4-nitrophenol
Also known as: 4-Nitroguaiacol, 2-Hydroxy-5-nitroanisole, Phenol, 2-methoxy-4-nitro-, o-Methoxy-p-nitrophenol, 4-Hydroxy-3-methoxynitrobenzene, 3-Methoxy-4-hydroxynitrobenzene, 3-Nitro-6-hydroxyanisole, NSC 26149, EINECS 221-839-0, Mononitroguaiacol
2-Methoxy-4-nitrophenol (CAS 3251-56-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H7NO4 and a molecular weight of 169.135 g/mol. Key properties include a melting point of 102-104 °C(lit.), a boiling point of 335.2±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 156.5±23.7 °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.
- 3251-56-7
- Jingsj CID
- J-1523705-5
- Molecular Formula
- C7H7NO4
- Molecular Weight
- 169.135 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 102-104 °C(lit.) |
|---|---|
| Boiling Point | 335.2±27.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 156.5±23.7 °C |
| Exact Mass | 169.037506 |
| PSA | 75.28000 |
| LogP | 1.58 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.583 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2909500000 |
|---|---|
| Summary | 2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Methoxy-4-nitrophenol?
The CAS number of 2-Methoxy-4-nitrophenol is 3251-56-7.
What are the molecular formula and molecular weight of 2-Methoxy-4-nitrophenol?
2-Methoxy-4-nitrophenol has molecular formula C7H7NO4 and molecular weight 169.135 g/mol.
Is 2-Methoxy-4-nitrophenol hazardous?
2-Methoxy-4-nitrophenol 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 2-Methoxy-4-nitrophenol?
For 2-Methoxy-4-nitrophenol, Upstream Products: 2-Methoxy-4-nitroaniline, 3,4-Dimethoxynitrobenzene, Guaiacol; Downstream Products: 3-Methoxyacetaminophen, 4-[2-[di(propan-2-yl)amino]ethoxy]-3-methoxyaniline, 4-Ethoxy-3-methoxyaniline.
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-Methoxy-4-nitrophenol (CAS 3251-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523705-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.