Patent Blue – 10mL. Stain for chrysocystidia.

£3.95 inc VAT

A safer longer-lasting alternative to sulphovanillin. Also useful for some chrysocystidia i.e. Hypholoma, Stropharia & Pholiota. Please note: after staining for a few minutes, wash 2 x with water and mount in water (not KOH or NaOH as this makes the stain fade).

Category:

Description

Patent Blue

Patent Blue V is a safer longer-lasting alternative to sulphovanillin. Also useful for some chrysocystidia i.e. Hypholoma, Stropharia & Pholiota. Please note: after staining for a few minutes, wash 2 x with water and mount in water (not KOH or NaOH as this makes the stain fade).

More information on stains from the British Mycological Society

Patent Blue V, also called Food Blue 5, Sulphan Blue, Acid Blue 3, L-Blau 3, C-Blau 20, Patentblau V, Sky Blue, or C.I. 42051 and is a dark bluish synthetic triphenylmethane dye used as a food coloring. As a food additive, it has E number E131. It is a sodium or calcium salt of [4-(α-(4-diethylaminophenyl)-5-hydroxy- 2,4-disulfophenylmethylidene)-2,5-cyclohexadien-1-ylidene] diethylammonium hydroxide inner salt.