Orcein price

Product name:Orcein 
CAS: 1400-62-0
Molecular Formula: C28H24N2O7
Molecular Weight: 500.51
Product description:Natural pigment. Reddish-brown powder microcrystalline, insoluble in water. Soluble in ethanol and acetic acid red; Soluble in alkaline solution with reddish purple. Can be used in the presence of ammonia oxidation of hydrogen peroxide (H2O2) orcinol won; Can also be the lichen, such as dye archil garment (Roccella tinctoria) directly, such as ammonia liquid heating and 60 ℃, 6 ~ 10 days, stirring and ventilation can obtain compound moss red pigment (containing orcinol, lichen) red litmus and three types of pigment. Can be used as microscopic stain used for elastic tissue and hepatitis b virus surface antigen identification.