4-(4-Nitrophenylazo)-1-naphthol
AR
Reagent
Code: #111574
Alias
Test Magnesium; Magnesium Reagent II; 4-(p-nitrophenylazo)-1-naphthol, p-nitroazobenzene-α-naphthol, 4-nitrobenzene-(1-azo)-4 -Hydroxynaphthalene, 4-(4-nitrophenylazonaphthol, 4-(4-nitrophenylazo)-1-naphthol
CAS Number
5290-62-0
blur_circular Chemical Specifications
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Molecular Information
Weight
293.28 g/mol
Formula
C₁₆H₁₁N₃O₃
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Registry Numbers
EC Number
226-129-4
MDL Number
MFCD00003975
thermostat
Physical Properties
Melting Point
270 °C (dec.)(lit.)
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Storage & Handling
Storage
room temperature, flammable area
description Product Description
This chemical, also known as Magneson, is primarily used as a dye in various industrial applications. It is commonly employed in the textile industry for coloring fabrics and synthetic fibers, providing vibrant and lightfast hues. Additionally, it is utilized in the production of inks, coatings, and plastic colorants, where its strong color properties ensure uniform and high-quality pigmentation. In analytical chemistry, it serves as a sensitive chromogenic reagent, particularly for the colorimetric detection and quantification of magnesium ions, forming a colored complex that allows for precise measurement. Its stability and intense coloration make it a valuable component in both industrial and scientific contexts.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Absorbance (E 1%, 1 cm) (EtOH, 462.0-466.0 nm) | ≥1300 |
| TO 466.0 NM | 1300 |
| Ignition Residue | 0-0.5 |
| Purity (HPLC) | 93-100 |
| Max. (EtOH) | 462-466 |
| Appearance | Light yellow to brown to dark green powder to crystal |
| Sensitivity to Magnesium | Pass |
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