Substance profile
4-Ethoxyaniline
4-Ethoxyaniline: p-phenetidine is a colorless to dark red liquid.
01 · Identification
What 4-Ethoxyaniline is
4-Ethoxyaniline: p-phenetidine is a colorless to dark red liquid. It boils at 250 °C, melts at 2.4 °C.
Under the GHS it carries the signal word Warning.
Other names for 4-Ethoxyaniline
- p-phenetidine
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 |
|---|---|
| H341 | Suspected of causing genetic defects <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H332 | Harmful if inhaled. |
| H312 | Harmful in contact with skin. |
| H302 | Harmful if swallowed. |
| H319 | Causes serious eye irritation. |
| H317 | May cause an allergic skin reaction. |
Precautionary statements: P201, P260, P261, P264, P270, P271, P272, P280, P301, P302, P304, P305, P308, P312, P313, P330, P333, P337, P338, P352
03 · Physical and chemical properties
4-Ethoxyaniline 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 | 250 °C (482 °F) | at 760 mmHg | CAMEO |
| 254 °C (489.2 °F) | range, midpoint shown | ICSC | |
| Melting point | 2.4 °C (36.3 °F) | ICSC | |
| 3.06 °C (37.5 °F) | range, midpoint shown | CAMEO | |
| Density | 1.1 g/cm³ | ICSC | |
| 1.0652 g/cm³ | at 16.11 °C | CAMEO | |
| Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.0 | at 20 °C | ICSC | |
| Solubility | 5 to 10 mg/mL at 68 °F (NTP, 1992) | at 20 °C | CAMEO |
| Solubility in water, g/100ml at 20 °C: 2 (moderate) | at 20 °C | ICSC | |
| Vapor pressure | 3.48 mmHg | at 25 °C | CAMEO |
| 0.075 mmHg | at 50 °C | ICSC | |
| 0.01 mmHg | Haz-Map | ||
| Flash point | 115.56 °C (240 °F) | CAMEO | |
| 120 °C (248 °F) | ICSC | ||
| Autoignition temperature | 425 °C (797 °F) | ICSC | |
| Vapor density | 4.73 (air = 1) | CAMEO | |
| 4.7 (air = 1) | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 4-Ethoxyaniline
Reactivity
P-PHENETIDINE reacts vigorously with powerful oxidizers.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 4-Ethoxyaniline in the storage compatibility matrix →