4-Sulfocalix[4]arene sodium salt

CAS 151657-13-5C28H24-xO16S4NaxChemical Synthesis

4-Sulfocalix[4]arene sodium salt (CAS: 151657-13-5), a derivative of calixarene, presents as a white to off-white solid. Its chemical formula is C28H24-xO16S4Nax. This compound is recognised for its utility in chelation and complexation chemistry, serving as a valuable reagent in chemical synthesis and various research applications requiring precise molecular recognition capabilities.

IUPAC: 25,26,27,28-Tetrahydroxycalix[4]arene-5,11,17,23-tetrasulfonic acid sodium salt,Calix[4]arene-4-sulfonic acid sodium salt

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4-Sulfocalix[4]arene sodium salt (C28H24-xO16S4Nax) — chemical structure, CAS 151657-13-5; Chemistry, fine chemical supplied by Tech Serve Solutions

CalixarenesChemical SynthesisSynthetic Reagents

01 /Applications

Chelation and Complexation

Utilised for its ability to form stable complexes with various ions and molecules. Its structure allows for selective binding, making it useful in separation science and analytical chemistry.

Chemical Synthesis

Serves as a building block or reagent in the synthesis of more complex organic molecules. Its functional groups enable participation in diverse chemical transformations.

Research Reagent

Employed in academic and industrial research settings for exploring host-guest chemistry and developing novel supramolecular structures. Its properties are of interest in materials science.

02 /Properties

Linear formula	C28H24-xO16S4Nax
Assay	≥95.0% (HPLC)
Impurities tested	≤3% methanol
Melting point	≥300 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

151657-13-5

Beilstein registry

5221495

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 4-Sulfocalix[4]arene sodium salt used for?

4-Sulfocalix[4]arene sodium salt is primarily used in chelation and complexation chemistry, as a reagent in chemical synthesis, and in various research applications.

What is the CAS number and chemical formula for 4-Sulfocalix[4]arene sodium salt?

The CAS number is 151657-13-5 and the chemical formula is C28H24-xO16S4Nax.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Sulfocalix[4]arene sodium salt with a minimum purity of ≥95.0% by HPLC. This is a technical/research grade material and is not represented as USP, BP, or EP grade.

How should 4-Sulfocalix[4]arene sodium salt be handled safely?

Handle with appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. This compound is classified as a Warning with hazards H315, H319, and H335, indicating it may cause skin irritation, eye irritation, and respiratory irritation.