Violet cristallisé, Sigma-Aldrich®
Marques : SIGMA ALDRICH MICROSCOPYTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
Violet Base 3, CI 42555, Violet de gentiane, Chlorure de 4-[4,4'-bis(diméthylamino) benzhydrylidène]cyclohexa-2,5-dien-1-llidène]diméthylammonium
Mixture of crystal violet [C.I.No. 42555] and methyl violet [C.I.No. 42535]. Dye employed for preparing Gram stain.
Formule:
C₂₅H₃₀ClN₃ Poids moléculaire: 407.99 g/mol Point de fusion: 189…194 °C Densité: 1,19 g/cm³ (20 °C) Température de stockage: Room Temperature |
Numéro MDL:
MFCD00011750 Numéro CAS: 548-62-9 EINECS: 208-953-6 UN: 3077 ADR: 9 III Indice Merck: 13,04406 |
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Résultats des tests de spécification
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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