2,5-DICHLORO-4-NITROANILINE
- CAS NO.：6627-34-5
- Empirical Formula: C6H4Cl2N2O2
- Molecular Weight: 207.01
- MDL number: MFCD00025157
- EINECS: 229-591-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:42
What is 2,5-DICHLORO-4-NITROANILINE?
Chemical properties
yellow powder
The Uses of 2,5-DICHLORO-4-NITROANILINE
2,5-Dichloro-4-nitroaniline may be employed as an indicator for the estimation of acidity of strong acids.
What are the applications of Application
2,5-Dichloro-4-nitroaniline is a nitro containing compound
General Description
2,5-Dichloro-4-nitroaniline is primary aniline indicator. Its pKa in sulfonate and water are -2.12 and -1.78, respectively.
Purification Methods
Recrystallise it from EtOH, then sublime it in vacuo.[Beilstein 12 H 735, 12 II 400.]
Properties of 2,5-DICHLORO-4-NITROANILINE
| Melting point: | 154-158 °C (lit.) |
| Boiling point: | 360.98°C (rough estimate) |
| Density | 1.6257 (rough estimate) |
| refractive index | 1.6100 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| pka | pK1:-1.74(+1) (25°C) |
| form | powder to crystal |
| color | Light yellow to Amber to Dark green |
| BRN | 2211952 |
| CAS DataBase Reference | 6627-34-5(CAS DataBase Reference) |
| EPA Substance Registry System | 2,5-Dichloro-4-nitroaniline (6627-34-5) |
Safety information for 2,5-DICHLORO-4-NITROANILINE
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P262:Do not get in eyes, on skin, or on clothing. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2,5-DICHLORO-4-NITROANILINE
2,5-DICHLORO-4-NITROANILINE manufacturer
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