3-Ethoxyaniline
Synonym(s):m-Phenetidine;3-Ethoxyaniline
- CAS NO.：621-33-0
- Empirical Formula: C8H11NO
- Molecular Weight: 137.18
- MDL number: MFCD00007785
- EINECS: 210-680-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:22
What is 3-Ethoxyaniline?
Chemical properties
light yellow to dark red liquid
The Uses of 3-Ethoxyaniline
3-Ethoxyaniline was used as starting reagent in the synthesis of 1,2,3,4-tetrahydroacridinylhydrazides.
General Description
Dark red liquid.
Air & Water Reactions
Slightly soluble in water.
Reactivity Profile
3-Ethoxyaniline neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Fire Hazard
3-Ethoxyaniline is probably combustible.
Safety Profile
Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.
Properties of 3-Ethoxyaniline
| Melting point: | 204 °C |
| Boiling point: | 248 °C(lit.) |
| Density | 1.032 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Chloroform, Methanol (Slightly) |
| pka | 4.18(at 25℃) |
| form | Liquid |
| color | Clear brown |
| Water Solubility | 0.1-0.5 g/100 mL at 20 ºC |
| BRN | 971028 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, acids, acid chlorides, acid anhydrides. Sensitive to prolonged exposure to light and air. |
| CAS DataBase Reference | 621-33-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Ethoxyaniline(621-33-0) |
| EPA Substance Registry System | m-Ethoxyaniline (621-33-0) |
Safety information for 3-Ethoxyaniline
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. |
Computed Descriptors for 3-Ethoxyaniline
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