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B21515 4-tert-Butylcalix[4]arene, 99%

CAS Number

Stock No. Size Price ($) Quantity Availability
B21515-06 5g 84.00
B21515-14 25g 318.00
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4-tert-Butylcalix[4]arene, 99%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.
Soluble in chloroform, benzene, toluene. Insoluble in water.


It is used as a starting material for further derivatization, including halogenation, acylation, and diazo coupling.


Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Literature References

V. K. Gupta, et al. Pb(II) Selective Potentiometric Sensor Based on 4-tert-Butylcalix[4]arene in PVC Matrix.Electroanalysis.200214(15-16), 1127-1132.

J. K?íža, et al. Protonation of Tetrapropoxy-4-tert-butylcalix[4]arene: NMR Study of Interaction and Probable Structures of the Product.Supramol. Chem.,200820(5), 487-494.

Calixarenes are 'basket-shaped' compounds with the ability to hold molecules and metal ions in their cavities. Suitable modification of the calixarene molecule allows enzyme-like activity in chemical reactions to be studied.

Monographs: C. D. Gutsche Calixarenes; Calixarenes Revisited, RSC, Cambridge (1989, 1998); J. Vicens and V. Boehmer, Calixarenes: a Versatile Class of Macrocyclic Compounds, Kluwer Academic Publishers, Dordrecht (1991).

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • A10387

    Dodecanedioic acid, 99%
  • A10448

    Ethyl bromoacetate, 98%
  • A10807

    1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 98+%
  • A17110

    3-Benzoyl-1,1,1-trifluoroacetone, 98+%
  • 19393

    Methanol, Semiconductor Grade, 99.9% min

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