Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

291161

Sigma-Aldrich

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane

98%

Synonym(s):

Kryptofix® 221

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C16H32N2O5
CAS Number:
31364-42-8
Molecular Weight:
332.44
Beilstein:
616444
EC Number:
250-592-1
MDL number:
MFCD00005108
UNSPSC Code:
12352005
PubChem Substance ID:
24857516
NACRES:
NA.22

Quality Level

200

Assay

98%

refractive index

n20/D 1.5018 (lit.)

density

1.111 g/mL at 20 °C (lit.)

SMILES string

C1COCCN2CCOCCOCCN(CCO1)CCOCC2

InChI

1S/C16H32N2O5/c1-7-19-8-2-18-5-11-22-15-13-20-9-3-17(1)4-10-21-14-16-23-12-6-18/h1-16H2

InChI key

HDLXPNDSLDLJHF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane is a cryptand which is capable of forming complexes with metal cations. It is used to bind or trap cationic guests such as Na+, Cd2+, Zn2+ and Eu3+.

Legal Information

Kryptofix is a registered trademark of Merck KGaA, Darmstadt, Germany

accessory

Product No.
Description
Pricing

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
STBL4757
STBL4545
STBK8461
STBJ7565
STBJ6675

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Amidinium carboxylate salt bridges as a recognition motif for mechanically interlocked molecules: synthesis of an optically active [2] catenane and control of its structure.
Nakatani Y, et al.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 122(32), 5595-5599 (2010)
A Loiseau et al.
Biochimica et biophysica acta, 1235(1), 21-32 (1995-04-12)
The kinetics of the competitive transport of Na+ and K+ ions across the membrane of large unilamellar vesicles (LUV) were determined when transport was induced by (221)C10-cryptand, an ionizable mobile carrier. The experiments were performed at various pH values (7.7
R P Taylor et al.
Clinical biochemistry, 29(1), 33-37 (1996-02-01)
To develop methods based on enzyme activation for the analysis of sweat sodium and chloride using beta-galactosidase and alpha-amylase, respectively. Both were monitored kinetically on the Cobas Fara centrifugal analyzer. The sweat, collected with the Macroduct system, was diluted no
M Castaing et al.
The Journal of membrane biology, 97(2), 79-95 (1987-01-01)
The kinetics of Na+ and K+ transport across the membrane of large unilamellar vesicles (LUV) were determined at two pH's when transport was induced by (221)C10-cryptand (diaza-1,10-decyl-5-pentaoxa-4,7,13,16,21-bicyclo [8.8.5.] tricosane) at various temperatures, and by nonactin at 25 degrees C and
Formation of Cadmium (II) Nitrate Complexes with Macrocycles.
Hak-Jin J and Oh-Jin J
Bull. Korean Chem. Soc., 14(5), 561-567 (1993)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service