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2,6-Di-tert-butylphenol

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2,6-Di-tert-butylphenol Basic information
2,6-Di-tert-butylphenol Chemical Properties
  • Melting point:34-37 °C(lit.)
  • Boiling point:253 °C(lit.)
  • Density 0.91
  • vapor pressure <0.01 mm Hg ( 20 °C)
  • refractive index 1.5312
  • Flash point:245 °F
  • storage temp. 2-8°C
  • solubility 0.003g/l
  • pka12.16±0.40(Predicted)
  • form Crystalline Solid
  • color White to light yellow
  • Water Solubility insoluble
  • BRN 1841887
  • Stability:Stable. Incompatible with acid chlorides, acid anhydrides, bases, brass, copper, copper alloys, oxidizing agents.
  • CAS DataBase Reference128-39-2(CAS DataBase Reference)
  • NIST Chemistry ReferencePhenol, 2,6-bis(1,1-dimethylethyl)-(128-39-2)
  • EPA Substance Registry System2,6-Di-tert-butylphenol (128-39-2)
Safety Information
MSDS
2,6-Di-tert-butylphenol Usage And Synthesis
  • Chemical Propertieswhite solid
  • UsesAntioxidant for Gasoline, Jet Fuels, and Electrical Insulating Oils
  • UsesAntioxidant Intermediate, Pharmaceuticals
  • General DescriptionOdorless colorless to light yellow solid or liquid. Floats on water. Freezing point is 97°F.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity ProfilePhenols, such as 2,6-Di-tert-butylphenol, do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has Ka = 1.3 x 10^[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid.
  • Health HazardIrritates eyes and (on prolonged contact) skin. Ingestion causes irritation of mouth and stomach.
  • Purification MethodsCrystallise the phenol from aqueous EtOH or n-hexane. [Beilstein 6 III 2061.]
2,6-Di-tert-butylphenol Preparation Products And Raw materials
2,6-Di-tert-butylphenol(128-39-2)Related Product Information
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