Dibenz[b,f][1,4]oxazepine
[CAS# 257-07-8]

Identification

• Name: Dibenz[b,f][1,4]oxazepine
• Synonyms: CR; CR (lacrimator); NSC 293779
• Molecular Formula: C₁₃H₉NO
• Molecular Weight: 195.22
• CAS Registry Number: 257-07-8

Properties

• Solubility: Very slightly soluble (0.21 g/L) (25 ºC), Calc.^*
• Density: 1.16±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 72 ºC^**
• Boiling point: 329.3±12.0 ºC (760 Torr), Calc.^*
• Flash point: 125.0±12.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Gutch, P. K.; Heterocyclic Communications 2007, V13(6), P393-396.