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Cristal Violetto, Sigma-Aldrich®

Fornitore: SIGMA-ALDRICH MICROSCOPY
Pericolo

Synonyms: 4-[4,4'-Bis(dimetilammino)benzidrilidene]cicloesa-2,5-dien-1-ilidene]dimetilammonio cloruro, Violetto basico 3, CI 42555

48770-100G 48770-25G 48770-500G
48770-100GEA 103 EUR
48770-100G 48770-25G 48770-500G
Cristal Violetto, Sigma-Aldrich®
Cristal Violetto

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
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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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