Substance profile
2,5-Dichloronitrobenzene
2,5-Dichloronitrobenzene is plates or prisms from alcohol, plates from ethyl acetate.
01 · Identification
What 2,5-Dichloronitrobenzene is
2,5-Dichloronitrobenzene is plates or prisms from alcohol, plates from ethyl acetate. Its molecular formula is C6H3Cl2NO2 and its molecular weight is 192 g/mol. It boils at 267 °C, melts at 56 °C.
Under the GHS it carries the signal word Danger.
Other names for 2,5-Dichloronitrobenzene
- 1,4-dichloro-2-nitrobenzene
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H350 | May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
03 · Physical and chemical properties
2,5-Dichloronitrobenzene properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 267 °C (512.6 °F) | HSDB | |
| 261 °C (501.8 °F) | ICSC | ||
| Melting point | 56 °C (132.8 °F) | HSDB | |
| 55 °C (131 °F) | ICSC | ||
| Density | 1.669 g/cm³ | at 22 °C | HSDB |
| 1.67 g/cm³ | ICSC | ||
| 1.479 g/cm³ | at 75 °C | HSDB | |
| Solubility | Soluble in ethanol, ether, benzene, carbon disulfide; slightly soluble in carbon tetrachloride | HSDB | |
| In water, 92.1 mg/L at 20 °C | at 20 °C | HSDB | |
| In water, 95 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 0.0038 mmHg | at 25 °C | HSDB |
| 0.005 mmHg | Haz-Map | ||
| Flash point | 135 °C (275 °F) | ICSC | |
| Autoignition temperature | 465 °C (869 °F) | ICSC | |
| Lower explosive limit (LEL) | 2.4 % by volume | ICSC | |
| Upper explosive limit (UEL) | 8.5 % by volume | ICSC | |
| Vapor density | 6.6 (air = 1) | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.