3-Ethylphenol
- CAS NO.：620-17-7
- Empirical Formula: C8H10O
- Molecular Weight: 122.16
- MDL number: MFCD00002311
- EINECS: 210-627-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:12:10
What is 3-Ethylphenol?
Chemical properties
clear brown liquid
The Uses of 3-Ethylphenol
It is used as a photographic chemical intermediate and an intermediate for the cyan coupler of photographic paper. It has a wide application in fragrance industry.
Definition
ChEBI: 3-Ethylphenol is a member of phenols.
Production Methods
3-Ethylphenol is produced by sulfonation of ethylbenzene and subsequent alkali melt of the 3-ethylbenzenesulfonic acid obtained. By sulfonation under severe (thermodynamically controlled) conditions (200 ℃) the 4-ethylbenzenesulfonic acid formed initially isomerizes to form a mixture of 2-, 3-, and 4- ethylbenzenesulfonic acids in a ratio of ca. 2 : 58 : 40. The 2- and 4-ethylbenzenesulfonic acids are selectively hydrolyzed back to ethylbenzene and H2SO4 by blowing steam through the mixture at 150–170 ℃. 3-Ethylphenol is then obtained by alkali melt of the remaining 3-ethylbenzenesulfonic acid at 330–340 ℃ in up to 98% purity.
Hazard
Toxic material.
Properties of 3-Ethylphenol
| Melting point: | -4 °C |
| Boiling point: | 212 °C750 mm Hg(lit.) |
| Density | 1.001 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 202 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| form | clear liquid |
| pka | pK1:10.07 (25°C) |
| color | Colorless to Light orange to Yellow |
| Odor | musty |
| Water Solubility | Slightly soluble in water. |
| BRN | 1857002 |
| CAS DataBase Reference | 620-17-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Ethylphenol(620-17-7) |
| EPA Substance Registry System | m-Ethylphenol (620-17-7) |
Safety information for 3-Ethylphenol
| 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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 3-Ethylphenol
| InChIKey | HMNKTRSOROOSPP-UHFFFAOYSA-N |
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