| | Identification | Back Directory |  | [Name] 
 KRYPTOFIX(R) 221
 |  | [CAS] 
 31364-42-8
 |  | [Synonyms] 
 K221
 C-221
 CRYPTANOL
 NSC 321059
 Cryptate 221
 Cryptofix 221
 KRYPTOFIX 221
 2,2,1-Cryptand
 2,2,1-Cryptate
 KRYPTOFIX(R) 221
 KRYPTOFIX 221 98+%
 cryptating agent 221
 KRYPTOFIX 221 FOR SYNTHESIS
 KRYPTOFIX 221 FOR SYNTHESIS 1 ML
 KRYPTOFIX 221 FOR SYNTHESIS 250 UL
 4,7,13,16,21-pentaoxa-1,10-*diazabicyclo(8.8.5)tr
 "4,7,13,16,21-Pentaoxa-1,10-diazabicyclotricosane"
 4,7,13,16,21-PENTAOXA-1,10-*DIAZABICYCLO (8.8.5)TRIC
 4,7,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5.]tricosane
 4,7,13,16,21-PENTAOXA-1,10-DIAZABICYCLO[8.8.5]TRICOSANE
 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]tricosane 98%
 4,7,13,16,21-Pentaoxa-1,10-diazabicyclo8.8.5ütricosane, 98%
 4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane ,98%
 7,16-(Oxybisethylene)(1,4,10,13-tetraoxa-7,16-diazacyclooctadecane)
 7,16-(Ethyleneoxyethylene)-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane
 |  | [EINECS(EC#)] 
 250-592-1
 |  | [Molecular Formula] 
 C16H32N2O5
 |  | [MDL Number] 
 MFCD00005108
 |  | [MOL File] 
 31364-42-8.mol
 |  | [Molecular Weight] 
 332.44
 | 
 | Chemical Properties | Back Directory |  | [Boiling point ] 
 465.4±40.0 °C(Predicted)
 |  | [density ] 
 1.111 g/mL at 20 °C(lit.)
 
 |  | [refractive index ] 
 n20/D 1.5018(lit.)
 
 |  | [Fp ] 
 >230 °F
 
 |  | [storage temp. ] 
 2-8°C
 |  | [form ] 
 Liquid
 |  | [pka] 
 7.23±0.20(Predicted)
 |  | [color ] 
 Pale yellow
 |  | [Water Solubility ] 
 Miscible with water.
 |  | [Sensitive ] 
 Light Sensitive
 |  | [BRN ] 
 616444
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 Clear colorless to yellow liquid
 |  | [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+. |  | [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.
 |  | [reaction suitability] 
 reagent type: reductant
 | 
 |  |