8.11684

Crown ether/18-Crown-6

for synthesis

• Synonym(s): Crown ether/18-Crown-6, 1,4,7,10,13,16-Hexaoxacyclooctadecane, 18-Crown-6
• Empirical Formula (Hill Notation): C₁₂H₂₄O₆
• CAS Number: 17455-13-9
• Molecular Weight: 264.32
• UNSPSC Code: 12352005
• EC Index Number: 241-473-5
• NACRES: NA.22
• MDL number: MFCD00005113
• Assay: 98.0 %, ≥98.0% (GC)
• Form: solid

Properties

• Quality Level: 200
• assay: 98.0 %, ≥98.0% (GC)
• form: solid
• potency: 525 mg/kg LD₅₀, oral (Rat), 3888 mg/kg LD₅₀, skin (Rabbit)
• reaction suitability: core: crown ether
• greener alternative product characteristics: Catalysis; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• mp: 36-39 °C
• transition temp: flash point 109 °C
• greener alternative category: Aligned

Description

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.

Application

• 18-Crown-6 coordinated metal halides with bright luminescence and nonlinear optical effects: This study explores the luminescence and nonlinear optical properties of crown-ether coordination compounds, indicating potential applications in optoelectronics and photonics (Merzlyakova et al., 2021).
• 18-Crown-6–sodium cholate complex: thermochemistry, structure, and stability: The study investigates the complex formation between 18-Crown-6 and sodium cholate, offering insights into the thermodynamic stability and structural characteristics of this complex (Mihelj et al., 2014).
• Alkali Metal Ion Recognition by 18-Crown-6 in Aqueous Solutions: This article presents evidence from local structures on how 18-Crown-6 selectively recognizes and binds alkali metal ions, useful for designing more effective ion-selective sensors (Jing et al., 2023).
• Influence of 18-Crown-6 Ether Coordination on the Catalytic Activity of Potassium and Calcium Diarylphosphinites: Exploring how 18-Crown-6 ethers influence the catalytic activity in hydrophosphorylation reactions, this research provides a pathway to understanding the role of crown ethers in catalysis (Härling et al., 2017).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 36 °C
Melting range (upper value): ≤ 41 °C
Identity (IR): passes test

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable