Methyl Blue (Cotton Blue) C.I. 42780

£11.42 to £58.64

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Variation ID		Product Code	Pack Size	List Price
6344	photo_camera	RRBD63-U	10g RRBD63-U	£11.42
6345	photo_camera	RRBD63-W	25g RRBD63-W	£21.63
6346	photo_camera	RRBD63-2W	50g RRBD63-2W	£35.87
6347	photo_camera	RRBD63-X	100g RRBD63-X	£58.64

Methyl Blue, also known as Cotton blue, acid blue 93 and china blue and is commonly used as a counterstain in the martius scarlet blue and masson trichrome staining methods.

Used as a counterstain

C.I.42780
Minimum Assay: 96%
Molecular Formula : C37H27N3Na2O9S3
Molecular Weight : 799.80 g/mol
Melting Point: 137 °C
Absorption max: 600 nm
Visual transition: pH 10.0 (blue) to pH 13.0 (orange)

Cas Number: 28983-56-4

Einecs Number: 249-352-9

HS Code / Commodity Code: 3822000000