4-Nitrosalicylic acid
Also known as: 2-Hydroxy-4-nitrobenzoic acid, p-Nitrosalicylic acid, 4-Nitro-2-hydroxybenzoic acid, 2-Hydroxy-4-nitro-benzoic acid
4-Nitrosalicylic acid (CAS 619-19-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5NO5 and a molecular weight of 183.118 g/mol. Key properties include a melting point of 235-239 °C(lit.), a boiling point of 389.0±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 179.2±15.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful 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.
- 619-19-2
- Jingsj CID
- J-14574-4
- Molecular Formula
- C7H5NO5
- Molecular Weight
- 183.118 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 235-239 °C(lit.) |
|---|---|
| Boiling Point | 389.0±37.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 179.2±15.0 °C |
| Exact Mass | 183.016769 |
| PSA | 103.35000 |
| LogP | 2.77 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.664 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Nitrosalicylic acid?
The CAS number of 4-Nitrosalicylic acid is 619-19-2.
What are the molecular formula and molecular weight of 4-Nitrosalicylic acid?
4-Nitrosalicylic acid has molecular formula C7H5NO5 and molecular weight 183.118 g/mol.
Is 4-Nitrosalicylic acid hazardous?
4-Nitrosalicylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
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-Nitrosalicylic acid (CAS 619-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14574-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.