F4648
Fast Red TR/Naphthol AS-MX
SIGMAFAST™, fluorogenic, tablet
Synonym(s):
4-Chloro-2-methylbenzenediazonium / 3-Hydroxy-2-naphthoic acid 2,4-dimethylanilide phosphate tablets
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About This Item
Product Name
SIGMAFAST™ Fast Red TR/Naphthol AS-MX Tablets, tablet, To prepare 1 mL
Quality Segment
form
tablet
solubility
water: 1 tablet/mL, clear to hazy, colorless to faintly yellow
storage temp.
−20°C
Application
SIGMAFAST Fast Red TR/Naphthol AS-MX Tablets has been used:
- in alkaline phosphatase staining in organ sections
- for staining chondrogenic spheroids in immunohistochemistry studies
- for the detection of hybridization signals in in situ mRNA hybridization studies of human palatine tonsils sections
Developed for use as a precipitating substrate for the detection of alkaline phosphatase activity in immunochemistry. Primary uses are in immunohistology, immunoblotting, or dot blotting. SIGMAFAST™ Fast Red TR/Naphthol AS-MX tablets contain 0.6 mM levamisole to block endogenous alkaline phosphatase activity. SIGMAFAST™ Fast Red TR/Naphthol AS-MX Tablets require no additional steps or buffers to prepare an active substrate solution.
Preparation Note
Each tablet dissolved in 1 mL deionized water yields a ready-to-use buffered solution.
Legal Information
SIGMAFAST is a trademark of Sigma-Aldrich Co. LLC
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signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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