Methylene Blue

 XN  
Harmful 
R: 22 
S: 28a
• EINECS: 200-515-2 • WGK: 2L • HS: 32049000
Storage Temperature: +15 °C to +30 °C 

Standardized according to DIN 58981. Methylene blue is very sensitive to oxidation and usually contains demethylated products, called Azure A, B and C and thionine. For staining and detecting RNA in PAGE (as 0.1 % solution in water).

λmax. (0.0001 % in water) A 1 cm/λmax./0.0001 % in water ε λmax./water water Sulfated ash

ca. 660 nm ca. 0.2 ca. 64 000 max. 15 % 0.3 %

References:

• Herrini & Schmidt (1988) Rapid, reversible staining of Northern Blots prior to hybridization. BioTechniques 6, 196