Methyl violet 2B för mikroskopi, Sigma-Aldrich®
Leverantör: SIGMA-ALDRICH MICROSCOPY
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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
599
SEK
69710-100G
69710-25G
69710-500G
Methyl violet 2B för mikroskopi, 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.
Formel:
C₂₄H₂₈ClN₃ MW: 393,96 g/mol Smältpunkt: 137 °C Storage Temperature: Room Temperature |
MDL Number:
MFCD00012568 CAS nummer: 8004-87-3 UN: 3077 ADR: 9,III |
Specifikation testresultat
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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