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123-07-9

Name 4-Ethylphenol
CAS 123-07-9
EINECS(EC#) 204-598-6
Molecular Formula C8H10O
MDL Number MFCD00002393
Molecular Weight 122.16
MOL File 123-07-9.mol

Chemical Properties

Appearance off-white solid
Melting point  40-42 °C(lit.)
Boiling point  218-219 °C(lit.)
density  1,011 g/cm3
vapor density  4.2 (vs air)
vapor pressure  0.13 mm Hg ( 20 °C)
FEMA  3156
refractive index  1.5330
Fp  213 °F
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  4.9g/l
form  Crystalline Mass or Crystals
pka pK1:10.0 (25°C)
color  White to brownish
Specific Gravity 1.0123 (20℃)
Odor at 1.00 % in dipropylene glycol. phenolic castoreum smoke guaiacol
Stability: Stable. Incompatible with acid chlorides, acid anhydrides, oxidizing agents.
Odor Type smoky
Water Solubility  4.9 g/L (25 ºC)
Usage Intermediates of Liquid Crystals
JECFA Number 694
BRN  1363317
InChIKey HXDOZKJGKXYMEW-UHFFFAOYSA-N
LogP 2.1 at 20℃ and pH7
Surface tension 54mN/m at 998g/L and 22℃
CAS DataBase Reference 123-07-9(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 4-ethyl-(123-07-9)
EPA Substance Registry System 123-07-9(EPA Substance)

Safety Data

Hazard Codes  Xi,C
Risk Statements 
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 .
S36:Wear suitable protective clothing .
RIDADR  UN 2430 8/PG 3
WGK Germany  3
RTECS  SL4040000
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29071900
Safety Profile
Poison by intravenous route. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazardous Substances Data 123-07-9(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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