Methyl violet 2B for microscopy, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
Danger

Synonyms: Basic Violet 1, 4-[4,4'-Bis(dimethylamino) benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]methylammonium chloride

M-Clarity™ quality level = MQ200

69710-100G 69710-25G 69710-500G
69710-100GEA 57 EUR
69710-100G 69710-25G 69710-500G
Methyl violet 2B for microscopy, Sigma-Aldrich®
Methyl Violet 2B

Methyl violet for microscopy (Bact., Bot., Hist.), indicator (pH 0.1 - 2.0), mixture of polymethylated pararosaniline hydrochlorides.


It can be used in diagnostic assay manufacturing, hematology, histology.

Formula: C₂₄H₂₈ClN₃
MW: 393,96 g/mol
Melting Pt: 137 °C
Storage Temperature: RT
MDL Number: MFCD00012568
CAS Number: 8004-87-3
UN: 3077
ADR: 9,III
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Specification Test Results

Appearance (colour) Green to very dark green and brown to very dark brown and green-brown and brown-green
Appearance (form) Powder
Assay (gravimetr.) ≥80%
Thin layer chromatography Corresponds to standard
Solubility (color) Red to very dark red
Solubility (method) 0.01 g in 10ml water
Loss on drying ≤8%
Infrared spectrum Conforms to structure
Wavelength (1) (uv) 579 - 589 nm
Extinction (1%/1cm) (1) (uv) ≥ 600
Solvent (uv) Ethanol 50%
Lead (Pb) by Element analysis Not detected
Zinc (Zn) by Element analysis Not detected
Colour Violet
Extinction (1%/1 cm) (1) (uv) ≥ 1500

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