Description

25-Ethoxycalix[4]arene is a functionalized calixarene derivative, a key member of the supramolecular host-guest chemistry family. This compound is valued for its pre-organized, cup-shaped molecular structure, which provides a versatile platform for selectively binding ions and neutral molecules. It is essential for researchers and manufacturers in advanced material science, chemical sensing, and pharmaceutical development who require precise molecular recognition properties.

Application

• Supramolecular Chemistry Research: Serves as a fundamental building block for synthesizing more complex molecular receptors and capsules.
• Chemical Sensors & Probes: Used in the development of selective sensors for metal ions or organic analytes due to its tunable cavity.
• Catalysis: Acts as a ligand or support to create novel catalytic systems with enhanced selectivity and activity.
• Separation Science: Employed in the design of stationary phases for chromatography or extraction materials for selective ion separation.
• Nanomaterial Fabrication: Utilized as a molecular scaffold or template in the bottom-up construction of functional nanomaterials and surfaces.
• Pharmaceutical Intermediate: Potential use in drug delivery systems where its cavity can encapsulate and transport active pharmaceutical ingredients.

Basic Information

Product Name	25-Ethoxycalix[4]arene
CAS No.	138240-24-1
Molecular Formula	C44H48O4
Molecular Weight	640.85 g/mol
Synonyms	p-tert-Butylcalix[4]arene tetraethyl ether; 5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetraethoxycalix[4]arene; Calix[4]arene tetraethyl ether; Tetraethyl ether of p-tert-butylcalix[4]arene; 25,26,27,28-Tetraethoxy-p-tert-butylcalix[4]arene; Tetra-O-ethyl-p-tert-butylcalix[4]arene; 5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetraethoxypentacyclo[19.3.1.1³,⁷.1⁹,¹³.1¹⁵,¹⁹]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene
EINECS	Contact for details

Quality Control

Our 25-Ethoxycalix[4]arene is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and melting point determination, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.