dvr ORCEIN

Orcinol excellent quality manuafacturer,exporter and supplier. Orcinol is extracted from archil lichen, Rocella tinctoria. It is then converted to orcein by ammonia and air. Orcein is a reddish-brown dye, orchil is a purple-blue dye. Orcein is also used as a stain in microscopy to visualize elastic fibers, Hepatitis B surface antigens and copper associated proteins. It is a mixture of phenoxazone derivates – hydroxyorceins, aminoorceins, and aminoorceinimines. It can be used to dye wool and silk, without the use of mordant. 

Technical Specifications:
C.A.S. No. 1400-62-0

Specifications:

Solubility 0.1 %(0.1N NaOH) Clear solution
Absorption Maximum (0.1N NaOH) ?max 574-580nm
Absorptivity (A1%/1cm in 0.1N NaOH, at ?max) 250-450
Loss on drying (110°C) <7%

Note: This article uses material from the http://rxmarine.com/