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 Segment: 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, reaction type: phase-transfer
• sustainability: Sustainability features
• mp: 36-39 °C
• transition temp: flash point 109 °C
• storage temp.: 2-30°C
• SMILES string: O1CCOCCOCCOCCOCCOCC1
• InChI: 1S/C12H24O6/c1-2-14-5-6-16-9-10-18-12-11-17-8-7-15-4-3-13-1/h1-12H2
• InChI key: XEZNGIUYQVAUSS-UHFFFAOYSA-N

Description

General description

This product aligns with one or more of the 12 Principles of Green Chemistry 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
• Signal Word: Warning
• Hazard Codes: H302
• Precautionary Statements: 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