Methyl violet 2B for microscopy, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
About this item
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.
Synonyms: Basic Violet 1, 4-[4,4'-Bis(dimethylamino) benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]methylammonium chloride
- CAS Number:8004-87-3
- Formula:C₂₄H₂₈ClN₃
- MDL Number:MFCD00012568
- Molecular Weight:393.96 g/mol
- Melting Pt:137 °C
- Storage Temperature:Room Temperature
- UN:3077
- ADR:9,III
- :M-Clarity™ quality level = MQ200
3 Options Available Below
Product Details & Documents
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.
Synonyms: Basic Violet 1, 4-[4,4'-Bis(dimethylamino) benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]methylammonium chloride
- CAS Number:8004-87-3
- Formula:C₂₄H₂₈ClN₃
- MDL Number:MFCD00012568
- Molecular Weight:393.96 g/mol
- Melting Pt:137 °C
- Storage Temperature:Room Temperature
- UN:3077
- ADR:9,III
- :M-Clarity™ quality level = MQ200
Specifications for Product Family
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:≤7%
- Infrared spectrum:Conforms to structure
- Wavelength (1) (uv):509 - 524 nm
- Extinction (1%/1cm) (1) (uv):≥ 600
- Solvent (uv):Water + 1 ml 1% sodium carbonate
- Lead (Pb) by Element analysis:Not detected
- Zinc (Zn) by Element analysis:Not detected
- Colour:Violet
- Extinction (1%/1 cm) (1) (uv):≥ 1500



