3,4-Dinitrobenzoic acid
Synonym(s):3,4-DNBA
- CAS NO.：528-45-0
- Empirical Formula: C7H4N2O6
- Molecular Weight: 212.12
- MDL number: MFCD00007255
- EINECS: 208-433-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-12-24 21:24:35
What is 3,4-Dinitrobenzoic acid?
Chemical properties
yellowish crystals or crystalline powder
The Uses of 3,4-Dinitrobenzoic acid
3,4-Dinitrobenzoic Acid, is used for the synthesis of more complex compounds such as metabolites of Brimonidine (B677520). It is also a specific substrate of glutathione S-transferase (GST), that can be used for the enzyme imaging and studies. It is an important corrosion inhibitor and is also used in photography.
Purification Methods
Crystallise the acid from EtOH by addition of water. [Beilstein 9 III 1778, 9 IV 1242.]
Properties of 3,4-Dinitrobenzoic acid
| Melting point: | 163-166 °C |
| Boiling point: | 351.93°C (rough estimate) |
| Density | 1.7333 (rough estimate) |
| refractive index | 1.5300 (estimate) |
| pka | pK1:2.82 (25°C) |
| form | neat |
| color | Light orange to Yellow to Green |
| Water Solubility | 6.7g/L(25 ºC) |
| Merck | 14,3275 |
| BRN | 2055333 |
| CAS DataBase Reference | 528-45-0(CAS DataBase Reference) |
| EPA Substance Registry System | Benzoic acid, 3,4-dinitro- (528-45-0) |
Safety information for 3,4-Dinitrobenzoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H341:Germ cell mutagenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 3,4-Dinitrobenzoic acid
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