3,4-Diaminobenzenesulfonic acid
- CAS NO.：7474-78-4
- Empirical Formula: C6H8N2O3S
- Molecular Weight: 188.2
- MDL number: MFCD00270799
- EINECS: 231-274-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:50
What is 3,4-Diaminobenzenesulfonic acid?
The Uses of 3,4-Diaminobenzenesulfonic acid
3,4-Diaminobenzenesulfonic Acid is a useful organic synthetic reagent and a sulfonate-aminium zwitterion.
Properties of 3,4-Diaminobenzenesulfonic acid
| Melting point: | -12 °C |
| Boiling point: | 178-179 °C3 mm Hg(lit.) |
| Density | 0.936 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | hexane, toluene, ethanol and acetone: soluble |
| pka | -0.52±0.50(Predicted) |
| form | Solid |
| color | Dark Brown |
| Dielectric constant | 4.5（30℃） |
| CAS DataBase Reference | 7474-78-4(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 3,4-diamino- (7474-78-4) |
Safety information for 3,4-Diaminobenzenesulfonic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral 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. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,4-Diaminobenzenesulfonic acid
3,4-Diaminobenzenesulfonic acid manufacturer
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product: 7474-78-4 3,4-Diaminobenzenesulfonic acid 98%
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