Detailed Product Description

Crown ester
1,

Trade Name:18-crown-6
Formular: C₁₂H₂₄O_{6  ,}   CAS [17455-13-9]

Specification: Purity(GC)≥99.0%,  Lose dring: ≤0.1%,  Melting point: 38.0-41.0°C
Appearance: White crystallize
Usage: ligation agent and phase transfer agent
Package: 5kg NET in Drum

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2,

Trade Name: Dibenzanthracene -18-Crown-6
CAS:[14187-32-7]
Appearance: white needle-like crystal 
Purity: ≥98%
Packing: 180kg/barrel

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3,

Trade name: 15-Crown-5 
Formular: C₁₀H₂₀O_{5 ,}   CAS [33100-27-5]
Specification: Purity(GC)≥97.0%
Appearance: Colorless transparent liquid
Usage: ligation agent and phase transfer agent
Package: 0.5KG NET in Drum

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4,

Trade name: 12-Crown-4 
Formular: C₈H₁₆O_{4 ,}   CAS No.: [294-93-9]
Specification: Purity(GC)≥98.0%
Appearance: Colorless transparent liquid
Usage: ligation agent and phase transfer agent
Package: 0.5KG NET in Drum

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