2,4-DINITROBENZOIC ACID

CAS NO.：610-30-0
Empirical Formula: C7H4N2O6
Molecular Weight: 212.12
MDL number: MFCD00017006
EINECS: 210-219-5
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-27 23:34:44

What is 2,4-DINITROBENZOIC ACID?

Chemical properties

pale yellow crystalline powder

The Uses of 2,4-DINITROBENZOIC ACID

2,4-Dinitrobenzoic acid can be used as a reactant:

In decarboxylative C-N cross-coupling reactions.
To synthesize Zwitterionic azaspirocyclic hydantoins by reacting with various carbodiimides via in situ intramolecular dearomatization reaction.
To prepare 1-(2,4-dinitrophenyl)ethanone by condensation with dimethyl malonate and subsequent decarboxylation reaction.

It can also be used in the spectrophotometric determination of diazepam in pure samples and in its pharmaceutical preparations. In capillary zone electrophoresis, it can be employed as chromophore probe for the analysis of perfluorinated carboxylic acids in water.

The Uses of 2,4-DINITROBENZOIC ACID

2,4-Dinitrobenzoic acid was used in the spectrophotometric determination of diazepam in pure samples and in its pharmaceutical preparations. It was employed as chromophore probe for analysis of perfluorinated carboxylic acids in water by capillary zone electrophoresis. It can be used to produce 2,4-dinitro-benzoyl chloride.

Properties of 2,4-DINITROBENZOIC ACID

Melting point:	176-180 °C (lit.)
Boiling point:	351.93°C (rough estimate)
Density	1.688
refractive index	1.5300 (estimate)
storage temp.	Store below +30°C.
solubility	dioxane: 50 mg/mL, clear
pka	1.43(at 25℃)
Water Solubility	18.2g/L(25 ºC)
BRN	658650
CAS DataBase Reference	610-30-0(CAS DataBase Reference)
EPA Substance Registry System	Benzoic acid, 2,4-dinitro- (610-30-0)

Safety information for 2,4-DINITROBENZOIC ACID

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention.