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KRYPTOFIX(R) 221

Product Name
KRYPTOFIX(R) 221
CAS No.
31364-42-8
Chemical Name
KRYPTOFIX(R) 221
Synonyms
KRYPTOFIX 221;K221;4,7,13,16,21-PENTAOXA-1,10-DIAZABICYCLO[8.8.5]TRICOSANE;Cryptofix 221;C-221;CRYPTANOL;NSC 321059;Cryptate 221;21-Pentaoxa-1;2,2,1-Cryptand
CBNumber
CB8350235
Molecular Formula
C16H32N2O5
Formula Weight
332.44
MOL File
31364-42-8.mol
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KRYPTOFIX(R) 221 Property

Boiling point:
465.4±40.0 °C(Predicted)
Density 
1.111 g/mL at 20 °C(lit.)
refractive index 
n20/D 1.5018(lit.)
Flash point:
>230 °F
storage temp. 
Store at +2°C to +8°C.
form 
Liquid
pka
7.23±0.20(Predicted)
color 
Pale yellow
Water Solubility 
Miscible with water.
Sensitive 
Light Sensitive
BRN 
616444
InChI
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
InChIKey
HDLXPNDSLDLJHF-UHFFFAOYSA-N
SMILES
N12CCOCCN(CCOCCOCC1)CCOCCOCC2
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Safety

Safety Statements 
23-24/25
WGK Germany 
3
F 
3-10
HS Code 
2934 99 90
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.10646
Product name
Kryptofix® 221
Purity
for synthesis
Packaging
250μL
Price
$186
Updated
2025/07/31
Sigma-Aldrich
Product number
8.10646
Product name
Kryptofix® 221
Purity
for synthesis
Packaging
1mL
Price
$321
Updated
2025/07/31
Sigma-Aldrich
Product number
291161
Product name
4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane
Purity
98%
Packaging
1g
Price
$567.15
Updated
2025/07/31
Medical Isotopes, Inc.
Product number
1064
Product name
Kryptofix® 221
Packaging
1g
Price
$890
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0115088
Product name
4,7,13,16,21-PENTAOXA-1,10-DIAZABICYCLO[8.8.5]TRICOSANE
Purity
95.00%
Packaging
1G
Price
$1187.29
Updated
2021/12/16
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KRYPTOFIX(R) 221 Chemical Properties,Usage,Production

Chemical Properties

Clear colorless to yellow liquid

Uses

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane is used as a phase transfer catalysts by transferring ions from one phase to another. It is involved in the synthesis of alkalides and electrides.

Uses

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+.

reaction suitability

reagent type: reductant

KRYPTOFIX(R) 221 Preparation Products And Raw materials

Raw materials

Triethylene glycol Diglycolic acid Lithium Aluminum Hydride

Preparation Products

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KRYPTOFIX(R) 221 Suppliers

China 86 Germany 2 India 4 Switzerland 1 United Kingdom 1 United States 8 Global 102
SIGMA-RBI
Tel
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Fax
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Country
Switzerland
ProdList
6896
Advantage
91
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View Lastest Price from KRYPTOFIX(R) 221 manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
Cryptofix 221 31364-42-8
Price
US $2.20-8.80/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons
Release date
2025-07-08

31364-42-8, KRYPTOFIX(R) 221Related Search:

6-Ethyl-3-oxa-6-azaoctanol 1,5-DIAMINO-3-OXAPENTANE N-(2-METHOXYETHYL)ETHYLAMINE KRYPTOFIX(R) 221 N-ETHYLDIETHANOLAMINE Diethanolamine 2-Ethoxyethylamine N-(2-METHOXYETHYL)METHYLAMINE Triethanolamine 2-((2-(2-(DIMETHYLAMINO)ETHOXY)ETHYL) METHYLAMINO)ETHANOL, 97 2-(2-Aminoethoxy)ethanol Diethylaminoethanol N-Methyldiethanolamine Bis(2-dimethylaminoethyl) ether 4,13-Diaza-18-crown 6-ether 1,8-Diamino-3,6-dioxaoctane 2-METHOXYETHYLAMINE BIS(2-METHOXYETHYL)AMINE

  • KRYPTOFIX 221
  • KRYPTOFIX(R) 221
  • 4,7,13,16,21-PENTAOXA-1,10-DIAZABICYCLO[8.8.5]TRICOSANE
  • 4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane 98%
  • 4,7,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5.]tricosane
  • 4,7,13,16,21-pentaoxa-1,10-*diazabicyclo(8.8.5)tr
  • 4,7,13,16,21-pentaoxa-1,10-diazabicylco-(8.8.5)tricosane
  • 4,7,13,16,21-PENTAOXA-1,10-*DIAZABICYCLO (8.8.5)TRIC
  • KRYPTOFIX 221 98+%
  • 4,7,13,16,21-Pentaoxa-1,10-diazabicyclo8.8.5ütricosane, 98%
  • 7,16-(Ethyleneoxyethylene)-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane
  • 7,16-(Oxybisethylene)(1,4,10,13-tetraoxa-7,16-diazacyclooctadecane)
  • C-221
  • cryptating agent 221
  • CRYPTANOL
  • 4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane ,98%
  • KRYPTOFIX 221 FOR SYNTHESIS
  • 2,2,1-Cryptand
  • 2,2,1-Cryptate
  • Cryptate 221
  • Cryptofix 221
  • NSC 321059
  • K221
  • KRYPTOFIX 221 FOR SYNTHESIS 1 ML
  • KRYPTOFIX 221 FOR SYNTHESIS 250 UL
  • "4,7,13,16,21-Pentaoxa-1,10-diazabicyclotricosane"
  • RYPTOFIX(R) 221
  • Kryptofix<sup>?</sup> 221
  • 10-diazabicyclo[8.8.5]tricosane
  • 21-Pentaoxa-1
  • 31364-42-8
  • C16H32O5N2
  • C16H32N2O5
  • Synthetic Reagents
  • Crown Ethers
  • Chelation/Complexation Compounds
  • FDG Chemicals