1-Amino-2-naphthol-4-sulfonic acid
90%
Reagent
Code: #114652
Alias
1-amino-2-naphthol-4-sulfonic acid; 4-amino-3-hydroxy-1-naphthalenesulfonic acid, 1-amino-2-naphthol-4-sulfonic acid, 4-amino-3-hydroxynaphthalene -1-sulfonic acid, 1-amino-2-naphthol-4-sulfonic acid, 1,2,4-acid
CAS Number
116-63-2
science Other reagents with same CAS 116-63-2
blur_circular Chemical Specifications
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Molecular Information
Weight
239.25 g/mol
Formula
C₁₀H₉NO₄S
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Registry Numbers
EC Number
204-147-3
MDL Number
MFCD00004019
thermostat
Physical Properties
Melting Point
290 °C (dec.)(lit.)
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Storage & Handling
Storage
room temperature
description Product Description
Used primarily as an intermediate in the synthesis of azo dyes, it plays a crucial role in producing vibrant and colorfast dyes for textiles and fabrics. Its sulfonic acid group enhances water solubility, making it suitable for dyeing processes. Additionally, it serves as a reagent in analytical chemistry for the detection and determination of various substances, such as nitrites and phenols. Its ability to form stable complexes with metals is also utilized in certain industrial applications, including metal treatment and corrosion inhibition.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Loss on Drying | 0-6 |
| Purity (Titration by NaOH) (Calcd. on Dried Substance) | 90-100% |
| Purity (Titration by NaOH) (Calcd. on Dried Substance) | 90-100% |
| Appearance | White to red and pink to purple powder |
| Dissolving Sodium Sulfite Test | Pass |
| Infrared Spectrum | Conforms to Structure |
| Melting Point | 290°C |
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