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8.11731

Sigma-Aldrich

Crown ether/Dibenzo-18-crown-6

for synthesis

Synonym(s):

Crown ether/Dibenzo-18-crown-6, Dibenzo-18-crown-6, 1,4,7,14,17,20-Hexaoxa[7.7]orthocyclophane

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About This Item

Empirical Formula (Hill Notation):
C20H24O6
CAS Number:
14187-32-7
Molecular Weight:
360.40
MDL number:
MFCD00005098
UNSPSC Code:
12352005
EC Index Number:
238-041-3
NACRES:
NA.22

Quality Level

200

Assay

≥98.0% (GC)

form

powder

potency

2600 mg/kg LD50, oral (Rat)

mp

158-161 °C

storage temp.

2-30°C

InChI

1S/C20H24O6/c1-2-6-18-17(5-1)23-13-9-21-11-15-25-19-7-3-4-8-20(19)26-16-12-22-10-14-24-18/h1-8H,9-16H2

InChI key

YSSSPARMOAYJTE-UHFFFAOYSA-N

Application

Crown ether/Dibenzo-18-crown-6 for synthesis. CAS 14187-32-7, molar mass 360.41 g/mol.

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 158 °C
Melting range (upper value): ≤ 163 °C
Identity (IR): passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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