2,4-Dinitrodiphenylamine
Synonym(s):2,4-Dinitro-N-phenylaniline
- CAS NO.：961-68-2
- Empirical Formula: C12H9N3O4
- Molecular Weight: 259.22
- MDL number: MFCD00007223
- EINECS: 213-508-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is 2,4-Dinitrodiphenylamine?
Chemical properties
solid
Preparation
Aniline and 1-Chloro-2,4-dinitrobenzene?condensation
Purification Methods
The amine forms red pKEst crystals from aqueous EtOH or CHCl3/EtOH (m 158o). The UV has max at 335nm (cyclohexane). [Beilstein 12 H 751, 12 III 1683, 12 IV 1692.]
Properties and Applications
Bright green light yellow. Insoluble in water, slightly soluble in alcohol. The strong sulfuric acid for brown, after dilute for light yellow. Add sodium hydroxide solution for yellow dye. Used in vinegar, spandex fiber dyeing, also can be used for plastic color.
| StandardVinegar fiber | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 3-4 | 5 | 3 | 3-4 | 4 | ||
Properties of 2,4-Dinitrodiphenylamine
| Melting point: | 159-161 °C(lit.) |
| Boiling point: | 402.47°C (rough estimate) |
| Density | 1.3450 (rough estimate) |
| refractive index | 1.5700 (estimate) |
| solubility | acetone: soluble25mg/mL, clear, orange to red |
| form | powder to crystal |
| pka | -4.93±0.10(Predicted) |
| color | Light yellow to Brown |
| Water Solubility | 1.322mg/L(25 ºC) |
| Stability: | Stable. Incompatible with strong bases, strong acids, strong oxidizing agents. |
| CAS DataBase Reference | 961-68-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenamine, 2,4-dinitro-N-phenyl-(961-68-2) |
| EPA Substance Registry System | Benzenamine, 2,4-dinitro-N-phenyl- (961-68-2) |
Safety information for 2,4-Dinitrodiphenylamine
| 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. P271:Use only outdoors or in a well-ventilated area. 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. |
Computed Descriptors for 2,4-Dinitrodiphenylamine
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