Crystal violet, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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Danger
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Synonyms:
Methylrosanilide chloride, Basic violet 3, Viocid, N-(4-(Bis(4-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)-N-methylmethanamonium chloride, Violet crystal, Methyl violet 10B, Dimethyl((di(4-(dimethylamino)phenyl)methylen)-2,5-cyclohexadien-1-ylidene)ammonium chloride, CI 42555, 4-[4,4'-Bis(dimethylamino) benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride, Hexamethyl violet, Hexamethyl-p-rosaniline chloride, Vianin, Gentian violet
Mixture of crystal violet [C.I.No. 42555] and methyl violet [C.I.No. 42535]. Dye employed for preparing Gram stain.
Formula:
C₂₅H₃₀ClN₃ MW: 407,99 g/mol Melting Pt: 189…194 °C Density: 1,19 g/cm³ (20 °C) Storage Temperature: Room Temperature |
MDL Number:
MFCD00011750 CAS Number: 548-62-9 EINECS: 208-953-6 UN: 3077 ADR: 9,III Merck Index: 13,04406 |
Specification Test Results
Appearance (colour) | Green to very dark green |
Appearance (form) | Powder |
Thin layer chromatogr. | Corresponds to standard |
Solubility (colour) | 0.01 g in 10 ml methanol |
Solubility (method) | 0.01 g in 10 ml methanol |
Loss on drying | ≤10% |
Wavelength (1) (UV) | 580 - 595 nm |
Extinction (1%/1 cm) (1) (UV) | ≥1300 |
Solvent (UV) | Water |
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