Basic

CAS No.	33089-36-0
Product Name	1,4,7,10,13,16,19-heptaoxacyclohenicosane
Synonyms	1,4,7,10,13,16,19-Heptaoxacyclohenicosane; 21-Crown-7; CCRIS 3602
Molecular Formula	C14H28O7
Molecular Weight	308.3679

Physical property

Density	0.995g/cm3
Boiling point	448.6°C at 760 mmHg
Flash point	184.7°C
Refractive index	1.404