2.2.2-Cryptand

2.2.2-Cryptand

Systematic name 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane^[1]
Other names Cryptating agent 222
Identifiers
Abbreviations	Crypt-222
CAS number	23978-09-8^Y
PubChem	72801
ChemSpider	65637^Y
EC number	245-962-4
MeSH	Cryptating+agent+222
RTECS number	MP4750000
Beilstein Reference	620282
Jmol-3D images	Image 1
SMILES C1COCCN2CCOCCOCCN(CCO1)CCOCCOCC2
InChI InChI=1S/C18H36N2O6/c1-7-21-13-14-24-10-4-20-5-11-25-17-15-22-8-2-19(1)3-9-23-16-18-26-12-6-20/h1-18H2^Y Key: AUFVJZSDSXXFOI-UHFFFAOYSA-N^Y InChI=1/C18H36N2O6/c1-7-21-13-14-24-10-4-20-5-11-25-17-15-22-8-2-19(1)3-9-23-16-18-26-12-6-20/h1-18H2 Key: AUFVJZSDSXXFOI-UHFFFAOYAX
Properties
Molecular formula	C₁₈N₂H₃₆O₆
Molar mass	376.4882 g mol^-1
Exact mass	376.257336894 g mol^-1
Melting point	68-71 °C, 341-344 K, 154-160 °F
Hazards
GHS pictograms
GHS signal word	WARNING
GHS hazard statements	H315, H319, H335
GHS precautionary statements	P261, P305+351+338
EU classification	Xi
R-phrases	R36/37/38
S-phrases	S26, S36
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2,2,2-Cryptand is one of the most important members of the cryptand family of chelating agents. In Nomenclature of Inorganic Chemistry (2005), IUPAC recommends the abbreviation "crypt-222".

References

^ "cryptating agent 222 - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information. Descriptors Computed from Structure. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=72801.
^ Alberto, R.; Ortner, K.; Wheatley, N.; Schibli, R.; Schubiger, A. P. (2001). "Synthesis and properties of boranocarbonate: a convenient in situ CO source for the aqueous preparation of [^99mTc(OH₂)₃(CO)₃]⁺". J. Am. Chem. Soc. 121 (13): 3135–3136. doi:10.1021/ja003932b.