Merck
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F4523

Sigma-Aldrich

SIGMAFAST Fast Red TR/Naphthol AS-MX Tablets

tablet, To prepare 10 mL

Synonym(s):
4-Chloro-2-methylbenzenediazonium / 3-Hydroxy-2-naphthoic acid 2,4-dimethylanilide phosphate tablets
MDL number:
NACRES:
NA.83

Quality Level

form

tablet

storage temp.

−20°C

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Application

SIGMAFAST Fast Red TR/Naphthol AS-MX tablets has been used in fluorescent in situ hybridization for the analysis of gene expression in neurons and synapses.
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.

Reconstitution

Each tablet set dissolved in 10 mL of deionized water yields a ready-to-use buffered solution.

Legal Information

SIGMAFAST is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Flam. Sol. 2 - Skin Irrit. 2

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Certificate of Analysis

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Certificate of Origin

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SDS

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