Methyl violet 2B for microscopy, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Certificates
About this item
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
:393.96 g/mol
Melting Pt:137 °C
Storage Temperature:Room Temperature
UN:3077
ADR:9,III
:M-Clarity™ quality level = MQ200
:GHS05
:GHS08
:GHS07
:GHS09
Specifications
- Environmentally Preferable:
Specifications
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
Specification Test Results
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