2,7-Naphthalenedisulfonic Acid, 4-Substituted-6-((5-((Substituted-Chloroheteromonocyclyl)Substituted)-2-Substituted-Phenyl)Azo)-3-((2,5-Disubstituted-Phenyl)Azo)-5-Hydroxy-, Lithium Sodium Salt
CAS: 155522-15-9
Category: Organic Intermediates
| Purity | Industrial Grade ≥95%; Dye Intermediate Grade ≥98%; High-Purity Research Grade ≥99% |
| Molecular Formula | Complex azo dye salt (variable molecular formula depending on substituents) |
| Molecular Weight | Variable molecular weight (depends on exact dye co |
| Appearance | Dark red to violet powder or crystalline solid |
| Packaging | 25 kg fiber drums, polyethylene-lined paper bags, or customized moisture-proof containers |
| Testing Indicators | Appearance — Visual inspection; Identification — UV-Visible spectrophotometry (azo chromophore absorption); Functional group analysis — FTIR spectroscopy; Structural confirmation — NMR spectroscopy and LC-MS; Purity — HPLC analysis; Sulfonate content — Ion chromatography or titration; Moisture — Karl Fischer titration (ASTM E203); Heavy metals — ICP-MS/ICP-OES analysis. |
| Storage Notes | Store in a cool, dry, well-ventilated place away from direct sunlight and moisture. Keep containers tightly closed. Avoid contact with strong acids, strong bases, and oxidizing agents. Store separately from incompatible chemicals. |
| Lead Time | 10 days |
This compound is a complex azo pigment/dye intermediate containing naphthalenedisulfonic acid structures and azo chromophores. It is mainly used as a specialty colorant intermediate, high-performance dye component, and research material for azo dye chemistry. It may be applied in textile dyeing, pigment formulation, and color chemistry research.