Cristal Violetto, Sigma-Aldrich®
Fornitore: SIGMA-ALDRICH MICROSCOPY
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Pericolo
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Synonyms:
4-[4,4'-Bis(dimetilammino)benzidrilidene]cicloesa-2,5-dien-1-ilidene]dimetilammonio cloruro, Violetto basico 3, CI 42555
Mixture of crystal violet [C.I.No. 42555] and methyl violet [C.I.No. 42535]. Dye employed for preparing Gram stain.
Formula:
C₂₅H₃₀ClN₃ Peso molecolare: 407,99 g/mol Punto di fusione: 189…194 °C Densità: 1,19 g/cm³ (20 °C) Temperatura di stoccaggio: Room Temperature |
MDL Number:
MFCD00011750 CAS Number: 548-62-9 EINECS: 208-953-6 UN: 3077 ADR: 9,III Merck Index: 13,04406 |
Risultati del test di specificazione
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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