Nalidixic acid
Also known as: 1-Ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid, 1-Ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid, 1,4-Dihydro-1-ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid, NegGram, WIN-18320, Wintomylon, Urisal, Nalidixic acid BP93.CH.P.95, Nalidixic acid, Antibiotic for Culture Media Use Only, NOGRAM, cybis, nalix, negram, poleon, uriben, uroman, uroneg, uropan
Nalidixic acid (CAS 389-08-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O3 and a molecular weight of 232.235 g/mol. Key properties include a melting point of 227-229 °C(lit.), a boiling point of 413.1±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 203.6±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 389-08-2
- Jingsj CID
- J-37022-9
- Molecular Formula
- C12H12N2O3
- Molecular Weight
- 232.235 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 227-229 °C(lit.) |
|---|---|
| Boiling Point | 413.1±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 203.6±28.7 °C |
| Exact Mass | 232.084793 |
| PSA | 72.19000 |
| LogP | 1.19 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.605 |
| Additional Property | 0.1 G/L (23 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. http://en.wikipedia.org/wiki/Nalidixic_acid |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Nalidixic acid?
The CAS number of Nalidixic acid is 389-08-2.
What are the molecular formula and molecular weight of Nalidixic acid?
Nalidixic acid has molecular formula C12H12N2O3 and molecular weight 232.235 g/mol.
Is Nalidixic acid hazardous?
Nalidixic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of Nalidixic acid?
For Nalidixic acid, Upstream Products: 2-Amino-6-methylpyridine, Diethyl 2-(((6-methylpyridin-2-yl)amino)methylene)malonate, ethyl 4-hydroxy-7-methyl-1,8-naphthyridine-3-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nalidixic acid (CAS 389-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37022-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.