Cupferron
铜铁试剂
Also known as: Ammonium N-nitroso-N-phenylhydroxylamine, Ammonium nitrosophenylhydroxylamine, N-Nitroso-N-phenylhydroxylamine ammonium salt, Benzenamine, N-hydroxy-N-nitroso-, ammonium salt, N-Hydroxy-N-nitrosobenzenamine ammonium salt, Kupferron, COPPERONE, Cupferon, Cupferron, ACS
Cupferron (CAS 135-20-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H9N3O2 and a molecular weight of 155.155 g/mol. It is also known as Ammonium N-nitroso-N-phenylhydroxylamine, Ammonium nitrosophenylhydroxylamine and N-Nitroso-N-phenylhydroxylamine ammonium salt. Key properties include a melting point of 150-155 °C (dec.)(lit.), a boiling point of 243.8ºC at 760 mmHg and a flash point of 101.3ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 135-20-6
- Jingsj CID
- J-1402349-3
- Molecular Formula
- C6H9N3O2
- Chinese Name
- 铜铁试剂
- Molecular Weight
- 155.155 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150-155 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 243.8ºC at 760 mmHg |
| Flash Point | 101.3ºC |
| Exact Mass | 155.069473 |
| PSA | 55.73000 |
| LogP | 2.04840 |
| Vapor Pressure | 0.0169mmHg at 25°C |
| Additional Property | <0.1 g/100 mL at 18.5 ºC |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H351 — Suspected of causing cancer
Customs & Trade Information
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Cupferron?
The CAS number of Cupferron is 135-20-6.
What are the molecular formula and molecular weight of Cupferron?
Cupferron has molecular formula C6H9N3O2 and molecular weight 155.155 g/mol.
Is Cupferron hazardous?
Cupferron has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Cupferron?
For Cupferron, Upstream Products: N-Phenylhydroxylamine, nitrobenzene, Methyl nitrite; Downstream Products: Azoxybenzene.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cupferron (CAS 135-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402349-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.