Methylene Blue zinc chloride double salt ~1 mol/mol H₂O for microscopy, Sigma-Aldrich®

Supplier: Merck
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Synonyms: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride zinc chloride double salt monohydrate, Methylthioninium chloride zinc chloride double salt monohydrate, Cl 52015, Basic blue 9, Methylene blue zinc chloride double salt monohydrate

M-Clarity™ quality level = MQ100

66721-100G 66721-25G 66721-500G
SIAL66721-100GEA 108 GBP
SIAL66721-100G SIAL66721-25G SIAL66721-500G
Methylene Blue zinc chloride double salt ~1 mol/mol H₂O for microscopy, Sigma-Aldrich®
Methylene blue NZ monohydrate

Methylene blue is a heterocyclic aromatic chemical compound used as a cationic dye. It is used as a redox indication in analytical chemistry. Methylene blue is a component of a number of staining protocols such as Wright′s stain and Jenner′s stain for microscopic evaluation.

Formula: C₁₆H₁₈ClN₃S·0.5ZnCl₂·xH₂O
MW: 388.00 g/mol (anhy)
MDL Number: MFCD00150006
CAS Number: 26283-09-0
EINECS: 228-905-8
UN: 2811
ADR: 6.1,III

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Specification Test Results

APPEARANCE (COLOR) Dark Brown to Very Dark Brown
APPEARANCE (FORM) Powder
TITRATION 80.0 - 120.0 %
TITRATION (METHOD) ARGENTOMETRIC AFTER OXYGEN COMBUSTION
THIN LAYER CHROMATOGR. CORRESPONDS TO STANDARD
SOLUBILITY (COLOR) Dark Blue to Very Dark Blue
SOLUBILITY (METHOD) 0.01G IN 10ML WATER
LOSS ON DRYING ≤ 15 %
WAVELENGTH (1) (UV) 656 - 666 nm
EXTINCTION (1%/1CM) (1) (UV) ≥ 1200
SOLVENT (UV) WATER

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