3,4-Diaminobenzoic acid
- CAS NO.：619-05-6
- Empirical Formula: C7H8N2O2
- Molecular Weight: 152.15
- MDL number: MFCD00007726
- EINECS: 210-577-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:32
What is 3,4-Diaminobenzoic acid?
Chemical properties
brown powder
The Uses of 3,4-Diaminobenzoic acid
3,4-Diaminobenzoic acid undergoes cyclocondensations to form, for example, quinoxalines1 and benzimidazoles. It acts as a redox label for electrochemical detection of single base mismatches.
Purification Methods
Crystallise it from H2O or toluene. [Beilstein 15 IV 1503.]
Properties of 3,4-Diaminobenzoic acid
| Melting point: | 208-210 °C (dec.) (lit.) |
| Boiling point: | 274.61°C (rough estimate) |
| Density | 1.2804 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | Powder |
| pka | 5.02±0.10(Predicted) |
| color | Brown |
| Water Solubility | Soluble in water (2.2 mg/ml at 20°C), DMF, and methanol (10 mg/ml). |
| BRN | 775892 |
| CAS DataBase Reference | 619-05-6(CAS DataBase Reference) |
Safety information for 3,4-Diaminobenzoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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-Diaminobenzoic acid
3,4-Diaminobenzoic acid manufacturer
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