Roxarsone
Also known as: 4-Hydroxy-3-nitrobenzenearsonic acid, 3-Nitro-4-hydroxyphenylarsonic acid, 4-Hydroxy-3-nitrophenylarsonic acid, 3-Nitro-4-hydroxybenzenearsonic acid, 3-Nitro-10, 3N4HPA, Aklomix-3, Ren-O-sal, Ristat, Roxasone
Roxarsone (CAS 121-19-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6AsNO6 and a molecular weight of 263.036 g/mol. Key properties include a melting point of ≥300 °C(lit.), a boiling point of 537.3±60.0 °C at 760 mmHg and a flash point of 240.3±21.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 121-19-7
- Jingsj CID
- J-37883-6
- Molecular Formula
- C6H6AsNO6
- Molecular Weight
- 263.036 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ≥300 °C(lit.) |
|---|---|
| Boiling Point | 537.3±60.0 °C at 760 mmHg |
| Flash Point | 240.3±21.3 °C |
| Exact Mass | 262.941101 |
| PSA | 123.58000 |
| LogP | -0.51 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Additional Property | <0.1 g/100 mL at 23 ºC |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2931900029 |
|---|---|
| Summary | 2931900029 (4-hydroxy-3-nitrophenyl)arsonic acid。supervision conditions:x(environment control release notice for poisonous chemicals)。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Roxarsone?
The CAS number of Roxarsone is 121-19-7.
What are the molecular formula and molecular weight of Roxarsone?
Roxarsone has molecular formula C6H6AsNO6 and molecular weight 263.036 g/mol.
Is Roxarsone hazardous?
Roxarsone has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Roxarsone?
For Roxarsone, Upstream Products: 4-Hydroxyphenylarsonic Acid, Phenol, (4-Chlorophenyl)arsonic acid; Downstream Products: 2-Nitrophenol, Acetarsone, Oxophenarsine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Roxarsone (CAS 121-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37883-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.