O-(4-Nitrophenyl)hydroxylamine
Also known as: 1-(Aminooxy)-4-nitrobenzene, p-Nitrophenoxyamine, Hydroxylamine, O-(4-nitrophenyl)-, O-(4-Nitrophenyl), O-(4-nitrophenyl)hydroxylamine, O-4-nitrophenylhydroxylamine
O-(4-Nitrophenyl)hydroxylamine (CAS 33543-55-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O3 and a molecular weight of 154.123 g/mol. Key properties include a melting point of 126-127℃, a boiling point of 313.2±34.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 143.2±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33543-55-4
- Jingsj CID
- J-1048857-0
- Molecular Formula
- C6H6N2O3
- Molecular Weight
- 154.123 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 126-127℃ |
|---|---|
| Boiling Point | 313.2±34.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 143.2±25.7 °C |
| Exact Mass | 154.037842 |
| PSA | 81.07000 |
| LogP | 1.70 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.598 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2922199090 |
|---|---|
| Summary | 2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; 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 O-(4-Nitrophenyl)hydroxylamine?
The CAS number of O-(4-Nitrophenyl)hydroxylamine is 33543-55-4.
What are the molecular formula and molecular weight of O-(4-Nitrophenyl)hydroxylamine?
O-(4-Nitrophenyl)hydroxylamine has molecular formula C6H6N2O3 and molecular weight 154.123 g/mol.
What are the upstream and downstream products of O-(4-Nitrophenyl)hydroxylamine?
For O-(4-Nitrophenyl)hydroxylamine, Upstream Products: 1-Fluoro-4-nitrobenzene, Anisole, 5-Chloro-2-nitrobenzotrifluoride; Downstream Products: o-Anisidine, p-Anisidine, (2-Butyl-5-nitrobenzofuran-3-yl)(4-hydroxyphenyl)methanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "O-(4-Nitrophenyl)hydroxylamine (CAS 33543-55-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1048857-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.