| Identification | More |  [Name]
  3-Ethylphenol |  [CAS]
  620-17-7 |  [Synonyms]
  3-ETHYLPHENOL MEP M-ETHYLPHENOL 1-ethyl-3-hydroxy-benzen 1-Ethyl-3-hydroxybenzene 1-Hydroxy-3-ethylbenzene 3-ethyl-pheno M-ElhylPhenol meta-ethylphenol m-ethyl-pheno m-Hydroxyethylbenzene Phenol, 3-ethyl- Phenol,3-ethyl- 3-ETHYLPHENOL PESTANAL 3-ETHYLPHENOL, TECH., 80% 3-ETHYLPHENOL 95+% 3-Ethylphenol, 95-97% ethylphenol,3-ethylphenol |  [EINECS(EC#)]
  210-627-3 |  [Molecular Formula]
  C8H10O |  [MDL Number]
  MFCD00002311 |  [Molecular Weight]
  122.16 |  [MOL File]
  620-17-7.mol |  
 | Chemical Properties | Back Directory |  [Appearance]
  clear brown liquid |  [Melting point ]
  -4 °C |  [Boiling point ]
  212 °C750 mm Hg(lit.) |  [density ]
  1.001 g/mL at 25 °C(lit.) 
 |  [refractive index ]
  n20/D 1.533(lit.) 
 |  [Fp ]
  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 |  [Odor Type]
  musty |  [Water Solubility ]
  Slightly soluble in water. |  [BRN ]
  1857002 |  [InChIKey]
  HMNKTRSOROOSPP-UHFFFAOYSA-N |  [LogP]
  2.400 |  [CAS DataBase Reference]
  620-17-7(CAS DataBase Reference) |  [NIST Chemistry Reference]
  3-Ethylphenol(620-17-7) |  [EPA Substance Registry System]
  620-17-7(EPA Substance) |  
 | Safety Data | Back Directory |  [Hazard Codes ]
  Xn |  [Risk Statements ]
  R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . R36/37/38:Irritating to eyes, respiratory system and skin . |  [Safety Statements ]
  S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S37/39:Wear suitable gloves and eye/face protection . S36/37:Wear suitable protective clothing and gloves . |  [RIDADR ]
  UN 3145 8/PG 3 
 |  [WGK Germany ]
  3 
 |  [TSCA ]
  Yes |  [HazardClass ]
  8 |  [PackingGroup ]
  III |  [HS Code ]
  2907199090 |  [Hazardous Substances Data]
  620-17-7(Hazardous Substances Data) |  
 | Hazard Information | Back Directory |  [Hazard]
  Toxic material. |  [Chemical Properties]
  clear brown liquid |  [Uses]
  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.
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