2,4,6-Tri-tert-butylphenol

2,4,6-Tri-tert-butylphenol
  • CAS No.:732-26-3
Other grades of this product :
2,4,6-Tri-tert-butylphenol Basic information
Product Name:2,4,6-Tri-tert-butylphenol
Synonyms:2,4,6-TRI-TERT-BUTYLPHENOL;2,4,6-tris(1,1-dimethylethyl)-phenol;Tributylphenol,96%;2,4,6-Tri-tert-bulylphenol;Antioxidant 246;2,4,6-TRI-TERTIARY BUTYL PHENOL ( TTBP );2,4,6-Tri-tert-butylphenol,97%;2,4,6-Tri-tert-butylphenol ,98%
CAS:732-26-3
MF:C18H30O
MW:262.43
EINECS:211-989-5
Product Categories:Organics;Organic Building Blocks;Oxygen Compounds;Phenols;Building Blocks;C9 to C20+;Industrial/Fine Chemicals;Chemical Synthesis;Organic Building Blocks;Oxygen Compounds
Mol File:732-26-3.mol
2,4,6-Tri-tert-butylphenol Chemical Properties
Melting point 125-130 °C (lit.)
Boiling point 277 °C (lit.)
density 0.8640
vapor pressure 0.073Pa at 25℃
refractive index 1.5029 (estimate)
Fp 130 °C
storage temp. -70°C
solubility Chloroform (Slightly), DMSO (Slightly, Sonicated)
pKa12.61±0.40(Predicted)
form buffered aqueous glycerol solution
color Off-White to Pale Yellow
Water Solubility insoluble
BRN 1913256
InChIKeyPFEFOYRSMXVNEL-UHFFFAOYSA-N
LogP7.1 at 35℃
CAS DataBase Reference732-26-3(CAS DataBase Reference)
NIST Chemistry ReferencePhenol, 2,4,6-tris(1,1-dimethylethyl)-(732-26-3)
EPA Substance Registry System2,4,6-Tris(tert-butyl)phenol (732-26-3)
Safety Information
Hazard Codes F,C,N,Xi,Xn
Risk Statements 11-22-34-50-53-36/37/38-51/53
Safety Statements 26-36/37/39-45-60-61-24/25
RIDADR UN 2430 8/PG 3
WGK Germany 3
RTECS SN3570000
8-23
HazardClass 9
PackingGroup III
HS Code 29071990
Hazardous Substances Data732-26-3(Hazardous Substances Data)
ToxicityLD50 oral in rat: 1670mg/kg
MSDS Information
ProviderLanguage
2,4,6-Tri-tert-butylphenol English
SigmaAldrich English
ACROS English
2,4,6-Tri-tert-butylphenol Usage And Synthesis
Chemical PropertiesSolid. Insoluble in water; soluble in most organic solvents. Combustible.
Uses2,4,6-Tri-tert-butylphenol is an antioxidant; used in preparation method of high-temperature resistant electromagnetic shielding electromagnetic bushing.
Flammability and ExplosibilityNonflammable
Biochem/physiol ActionsCDK5 is a member of the Cyclin-Dependent Kinase family that is most abundant in the mammalian brain. Active form of CDK5, which has also been called neuronal cdc2-like kinase, is a heterodimer of CDK5 and a 25 kDa protein which is derived proteolytically from a 35 kDa brain and neuron-specific protein and is essential for the kinase activity of CDK5. CDK5 has emerged as a crucial regulator of neuronal migration in the developing central nervous system. CDK5 phosphorylates a diverse list of substrates, implicating it in the regulation of a range of cellular processes - from adhesion and motility, to synaptic plasticity and drug addiction.
Purification MethodsDistil the phenol under reduced pressure and/or recrystallise it from n-hexane or several times from 95% EtOH until the EtOH solution is colourless [Balasubramanian & Bruice J Am Chem Soc 108 5495 1986]. It has also been purified by sublimation [Yuan & Bruice J Am Chem Soc 108 1643 1986, Wong et al. J Am Chem Soc 109 3428 1987]. Purification has also been achieved by passage through a silica gel column followed by recrystallisation from n-hexane [Kajii et al. J Phys Chem 91 2791 1987]. [Beilstein 6 III 2094, 6 IV 3539.]
2,4,6-Tri-tert-butylphenol Preparation Products And Raw materials
Raw materialsAluminum chloride-->Phenol-->2-Chloro-2-methylpropane
Preparation Products3,3',5,5'-TETRA(TERT-BUTYL)[1,1'-BIPHENYL]-4,4'-DIOL-->2,6-Di-tert-butyl-p-benzoquinone

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