New Methylene Blue C.I. 52030

£76.52 to £392.90

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Variation ID		Product Code	Pack Size	List Price
6381	photo_camera	RRBD42-U	10g RRBD42-U	£76.52
6382	photo_camera	RRBD42-W	25g RRBD42-W	£140.32
6383	photo_camera	RRBD42-X	100g RRBD42-X	£392.90

New methylene blue (also NMB) is an organic staining agent used in diagnostic cytopathology and histopathology, typically for staining immature red blood cells. It is closely related to methylene blue, an older stain already in wide use.

Used as a biological stain

C.I. 52030
Formula : C18H22ClN3S · 0.5ZnCl2
Molecular weight : 416.05 g/mol
Melting Point: >240 °C
Appearance: Dark brown to deep purple powder
Identification: Conforms to structure and standard
Assay: > 90.0%
Loss on drying: < 5.0%

Spectrophotometric assay ( 5.0mg/L in water) -
632.02nm +/- 3nm = 0.529
591.0nm +/- 3nm = 0.433
287.0nm +/- 3nm = 0.336
245.0nm +/- 3nm = 0.206

Extinction co-efficient—
E (632.02nm +/- 3nm) - 44000 Min
E (591.0nm +/- 3nm) - 36000 Min
E (287.0nm +/- 3nm) - 28000 Min
E (245.0nm +/- 3nm) - 16000 Min