Methylene blue hydrate, high purity biological stain

Supplier: Thermo Scientific
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Synonyms: Methylthioninium chloride hydrate, Basic Blue 9, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate, C.I. 52015, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride xhydrate

A18174.14 A18174.22 A18174.36
A18174.14EA 21.2 GBP
A18174.14 A18174.22 A18174.36
Methylene blue hydrate, high purity biological stain
Methylene blue hydrate

Sensitive stain for RNA and ribonuclease.


Methylene blue is used as a dye in different staining procedures viz. Wright's stain and Jenner's stain. It also serves as an indicator and medicine. Further, it is used to examine RNA and DNA under the microscope or in a gel. It is widely used as a redox indicator in analytical chemistry. It acts as a photosensitizer utilized to generate singlet oxygen in order to make organic peroxides by a Diels-Alder reaction. It is also used in the sulfide analysis. It plays an important role in aquaculture to treat fungal infections.

Formula: C₁₆H₁₈ClN₃S·xH₂O
MW: 319,86 g/mol (anhy)
Melting Pt: ∼ 180 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00150006
CAS Number: 122965-43-9
EINECS: 200-515-2
Merck Index: 14,6060

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