Magnesium 8-anilinonaphthalene-1-sulphonate hydrate ≥95%, Sigma-Aldrich®
Leverantör: SIGMA-ALDRICH MICROSCOPY
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Varning
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Synonyms:
8-Anilino-1-naphthalenesulphonic acid magnesium(II) salt, ANS-Mg, 1,8-ANS magnesium salt, N-Phenyl peri acid magnesium salt, ANSA magnesium salt, Magnesium 8-(phenylamino)naphthalene-1-sulphonate, Magnesium(II) 8-Anilino-1-naphthalenesulphonate, 8-Anilino-1-naphthalenesulphonic acid hemimagnesium salt hydrate
M-Clarity™ quality level = MQ200
ANSA (8-Anilino-1-naphthalenesulfonic acid) is a hydrophobic polarity sensitive fluorescent dye useful as a site probe to detect conformational changes in cell and micelle membranes and molecules such as proteins. ANSA is also used as a fluorescent probe for the estimation of the critical micelle concentration (CMC) of surfactants.
Formel:
C₃₂H₂₄MgN₂O₆S₂·xH₂O MW: 620,98 g/mol (anhy) |
MDL Number:
MFCD00065353 CAS nummer: 18108-68-4 EINECS: 242-004-7 |
Specifikation testresultat
Appearance (colour) | Faint green to green |
Appearance (form) | Powder |
Titration (NT) HClO₄ 0.1 m | ≥95.0% |
Purity (TLC area %) | ≥95.0 % |
Solubility (colour) | Green to very dark green and brown to very dark brown |
Solubility (turbidity) | Clear to very hazy |
Solubility (method) | 50 mg/ml water, hot |
Water | 5.0 - 8.0% |
Carbon content | 58.50% (theory) |
Hydrogen content | 4.30% (theory) |
Nitrogen content | 4.26% (theory) |
Infrared spectrum | Conforms to structure |
Emission maximum | 465 - 475 nm |
Remarks on luminescence | Exc.:388 nm 0.1 M tris; 0.2 mkcl; ph 9.0; BSA |
Recommended retest period | 36 months |
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