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Crown ethers
Crown ethers is mainly used as phase-transfer catalyst for organic synthesis. Noble metal extracting agent and chelating agent, And extensively applied in Fine chemicals manufacture, biochemical field and electronic industry.
Product specification:
18-Crown-6 [17455-13-9] |
| Appearance:Colorless crystals |
MP:38-41℃ |
Purity:≥99.5%(GC) |
15-Crown-5 [33100-27-5] |
| Appearance:Colorless trans pant viscous, lignid |
MP:93-96℃/0.05mm(Hg) |
Purity:≥97%(GC) |
Dibenzo-18-Crown-6 [14187-32-7] |
| Appearance:White needle crystals |
MP:161-163℃ |
Purity:≥99%(GC) |
12-Crown-4 [294-93-9] |
| MP:93-96℃/0.1mm(Hg) |
Purity:≥98%(GC)
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