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HomeProduct name list4-TERT-BUTYLCALIX[6]ARENE

4-TERT-BUTYLCALIX[6]ARENE

4-TERT-BUTYLCALIX[6]ARENE Structural

What is 4-TERT-BUTYLCALIX[6]ARENE?

Chemical properties

WHITE FINE CRYSTALLINE POWDER

The Uses of 4-TERT-BUTYLCALIX[6]ARENE

Starting material for further derivatization, including halogenation, acylation, and diazo coupling.

Definition

ChEBI: 5,11,17,23,29,35-hexa-tert-butylcalix[6]arene-37,38,39,40,41,42-hexol is a substituted calixarene. It derives from a hydride of a calix[6]arene.

Purification Methods

It is recrystallised from CHCl3 or CHCl3/MeOH to give a white solid from the mother liquors of the calix[8]arene preparation. The hexa-acetate (Ac2O/H2SO4) crystallises from CHCl3/MeOH with m 360-362o(dec), and the (SiMe3)6 derivative crystallises from CHCl3/MeOH with m 410-412o. Its stability in KOH-xylene is the same as for the 4-tert-butylcalix[4]arene. [Gutsche et al.J Am Chem Soc 103 3782 1981. See also Kluawer in Calixarenes, Vicens & B.hner eds Academic Press 1991, Beilstein 6 IV 7858.]

Properties of 4-TERT-BUTYLCALIX[6]ARENE

Melting point: ≥300 °C(lit.)
Boiling point: 784.26°C (rough estimate)
Density  0.9131 (rough estimate)
refractive index  1.6000 (estimate)
storage temp.  Store below +30°C.
form  powder to crystal
pka 9.35±0.20(Predicted)
color  White to Almost white
Water Solubility  <9.73mg/L(temperature not stated)
λmax 286nm(CH3CN)(lit.)
BRN  2611918

Safety information for 4-TERT-BUTYLCALIX[6]ARENE

Signal word Danger
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 4-TERT-BUTYLCALIX[6]ARENE

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