| Identification | Back Directory | [Name]
Dibenz-(b,f)-1,4-oxazephine | [CAS]
257-07-8 | [Synonyms]
EA-3547
DIBENZ-1,4-OXAZEPINE
DIBENZO(B,F)-1,4OXAZEPINE
dibenz(b,f)(1,4)oxazepine
benzo[b][1,4]benzoxazepine
benzo[b][1,5]benzoxazepine
Benzo [b,f][1,4] oxazepines
Dibenz-(b,f)-1,4-oxazephine | [Molecular Formula]
C13H9NO | [MDL Number]
MFCD00449255 | [MOL File]
257-07-8.mol | [Molecular Weight]
195.217 |
| Safety Data | Back Directory | [TSCA ]
TSCA listed | [Safety Profile]
Poison by
intraperitoneal and intravenous routes.
Moderately toxic by ingestion and
inhalation. Experimental teratogenic and
reproductive effects. A human skin and eye
irritant. Questionable carcinogen with
experimental carcinogenic and tumorigenic
data. When heated to decomposition it
emits toxic fumes of NOx. | [Hazardous Substances Data]
257-07-8(Hazardous Substances Data) |
| Hazard Information | Back Directory | [General Description]
Colorless liquid, odorless to fruity. | [Reactivity Profile]
As an amine, Dibenz-(b,f)-1,4-oxazephine probably behaves less as a base than other aliphatic amines as due to Dibenz-(b,f)-1,4-oxazephine cyclic structure. However Dibenz-(b,f)-1,4-oxazephine will react as a weak base. | [Health Hazard]
Median incapacitating dose: 0.15. Eye/skin toxicity: Highly irritating; not toxic. Rate of action: Instantaneous. Physiological action: Irritates skin, eyes, nose, and throat. Detoxification rate: Moderate. (ANSER) | [Description]
Agent CR, dibenz-(b,f)-1,4-oxazepine, is a pale-yellow, crystalline solid, which has a melting point of 163°F (72°C). It has a pepper-like odor and is only used in solution for dissemination in liquid dispensers. Solutions consist of 0.1% of CR in 80 parts of propylene glycol and 20 parts water. CR is an eye irritant in organic solutions at concentrations of 0.0025% or lower. Agent CR is less toxic when inhaled, but has more profound skin effects, which are longer lasting. It is a persistent agent when released in the environment and deposited on clothing. |
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