Nalidixic acid

萘啶酸

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

CAS No.
389-08-2
Jingsj CID
J-37022-4
Molecular Formula
C12H12N2O3
Chinese Name
萘啶酸
Molecular Weight
232.235 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point227-229 °C(lit.)
Boiling Point413.1±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point203.6±28.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Nalidixic acid?

389-08-2

What are the molecular formula and molecular weight of Nalidixic acid?

C12H12N2O3, molecular weight 232.235 g/mol

Is Nalidixic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026