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4-tert-Octylphenol with CAS 140-66-9

what is of  4-tert-Octylphenol with CAS 140-66-9?

4-tert-Octylphenol is a potential environmental pollutant and it exhibits toxic and estrogenic effects on mammalian cells. It binds to estrogen receptors and exerts estrogenic actions in vitro.

1.Quick details of 4-tert-Octylphenol with CAS 140-66-9

CAS No.:140-66-9
Other Names:4-tert-Octylphenol
MF:C14H22O, C14H22O
EINECS No.:205-426-2
Place of Origin:Shandong, China
Type:Agrochemical Intermediates
Model Number:4-tert-Octylphenol
Appearance:white to pale yellow briquet
CAS NO.:140-66-9
EINECS NO.:205-426-2

2.Description of  4-tert-Octylphenol with CAS 140-66-9

Melting point 79-82 °C(lit.)
Boiling point 175 °C30 mm Hg(lit.)
density 0.95 g/cm3 (20℃)
refractive index 1.5003 (estimate)
Fp 145 °C
storage temp. -20°C
solubility water: slightly soluble0.007g/L at 20°C
pka 10.15±0.15(Predicted)
form neat
color White flakes
PH Range 6 at 10 g/l at 20 °C
BRN 513992
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference 140-66-9(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 4-(1,1,3,3-tetramethylbutyl)-(140-66-9)
EPA Substance Registry System p-(1,1,3,3-Tetramethylbutyl)phenol (140-66-9)


A common environmental pollutant showing weak estrogenic effects. 4-tert-Octylphenol has been shown to cause harm to the male reproductive system of vertebrates.