Methylthioninium Chloride, also known as TRx-014 and Methylene blue, has many uses in biology and chemistry; for example, it can be used as a stain and as a medication. Methylene blue should not be confused with methyl blue, another histology stain, new methylene blue, nor with the methyl violets often used as pH indicators. Methylthioninium Chloride is also tau protein inhibitor potentially for the treatment of Alzheimer's disease (AD) and Parkinson's disease.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.