Fast black K salt, Practical grade, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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Warning
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M-Clarity™ quality level = MQ200
F7253-100G
F7253-25G
F7253-50G
F7253-100GEA
120
GBP
F7253-100G
F7253-25G
F7253-50G
Fast black K salt, Practical grade, Sigma-Aldrich®
Fast black K salt
Fast black K (C.l. 37190) is a lipophilic amino-substituted monoazo dye. It is also known as Brentamine fast black K salt.
- Fast black K salt has various applications as listed below
- To stain enterochromaffin cells > as an indirect stain for periodate-generated tissue aldehyde groups
- As a visualisation agent for amphetamines and cyanobacterial toxins following their separation by thin-layer chromatography
- For the staining of acid phosphatase activity in SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis) and native-PAGE staining endopeptidase and leucine aminopeptidase activity
Fast Black K Salt hemi (zinc chloride) salt has been used for the staining of acid phosphatase activity in SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis) and native-PAGE. It has been used for staining endopeptidase and leucine aminopeptidase activity.
Formula:
C₂₈H₂₄Cl₄N₁₀O₈Zn Melting Pt: 150 °C Storage Temperature: Room Temperature |
MDL Number:
MFCD00078471 CAS Number: 64071-86-9 EINECS: 264-656-1 |
Specification Test Results
Appearance (colour) | Brown or red |
Appearance (form) | Powder |
Solubility (colour) | 10 mg/ml water |
Solubility (method) | 10 mg/ml water |
Carbon content | 9.9 - 18.3 % |
Nitrogen content | 4.1 - 7.6 % |
Dye content | ≥ 25 % |
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