Phenoxazine

Phenoxazine is a heterocyclic compound. The structure of phenoxazine consists of an oxazine fused to two benzene rings. It occurs as the central core of a number of naturally occurring chemical compounds such as dactinomycin[1] and litmus. The dyes Nile blue and Nile red are also based on a phenoxazine core.

Phenoxazine
Names
IUPAC name
10H-Phenoxazine
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.004.737
UNII
Properties
C12H9NO
Molar mass 183.210 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Phenoxazine dyes were once widely used for silk dyeing, but due to their lack of lightfastness they have disappeared over time from the market. However, since their light resistance is significantly better on acrylic fibers, these dyes have experienced a renaissance.

See also

References


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