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5099-03-6

2-(4-Methoxy-phenylazo)-[1]naphthol is an organic compound characterized by its azo group (-N=N-) connecting a 4-methoxyphenyl ring to a naphthol moiety. This yellow crystalline solid is a derivative of naphthalene, with a hydroxyl group at the 2-position and an azo linkage to a para-methoxy-substituted phenyl ring. It is used as a chemical intermediate in the synthesis of dyes and pigments, particularly those with color properties derived from its chromophoric structure. The compound's molecular formula is C17H14N2O2, and it exhibits specific chemical and physical properties that make it suitable for applications in the colorants industry.

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  • 5099-03-6 Structure

  • Basic information

    1. Product Name: 2-(4-Methoxy-phenylazo)-[1]naphthol
    2. Synonyms: 2-(4-Methoxy-phenylazo)-[1]naphthol
    3. CAS NO:5099-03-6
    4. Molecular Formula:
    5. Molecular Weight: 278.31
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 5099-03-6.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 2-(4-Methoxy-phenylazo)-[1]naphthol(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2-(4-Methoxy-phenylazo)-[1]naphthol(5099-03-6)
    11. EPA Substance Registry System: 2-(4-Methoxy-phenylazo)-[1]naphthol(5099-03-6)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 5099-03-6(Hazardous Substances Data)

5099-03-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5099-03-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,9 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5099-03:
(6*5)+(5*0)+(4*9)+(3*9)+(2*0)+(1*3)=96
96 % 10 = 6
So 5099-03-6 is a valid CAS Registry Number.

5099-03-6Relevant articles and documents

Nano-Fe3O4 encapsulated-silica supported boron trifluoride as a novel heterogeneous solid acid for solvent-free synthesis of arylazo-1-naphthol derivatives

Bamoniri, Abdolhamid,Moshtael-Arani, Naimeh

, p. 16911 - 16920 (2015/03/30)

Nano-Fe3O4 encapsulated-silica supported boron trifluoride (Fe3O4@SiO2-BF3) as a new type of green heterogeneous solid acid was prepared by the immobilization of BF3·Et2O on the surface of Fe3O4@SiO2 core-shell nanoparticles and characterized by Fourier transform-infrared spectroscopy (FT-IR), X-ray diffraction (XRD), vibrating sample magnetometer (VSM), field emission-scanning electron microscope (FE-SEM), energy dispersive X-ray (EDS), and transmission electron microscope (TEM). Then, this super solid acid was used as an acidic reagent for the synthesis of aryl diazonium salts as a starting reactant, followed by its diazo coupling with 1-naphthol in a basic solvent-free medium at room temperature. The main advantages of this clean method were high yields, short reaction times, the possibility of performing it at room temperature, and no need of corrosive and toxic liquid acids and solvents. In addition, the long-term stability of aryl diazonium salts supported on Fe3O4@SiO2-BF3 magnetic nanoparticles (MNPs) at room temperature was one of the most important results of this procedure. This journal is

Facile synthesis of 1-naphthol azo dyes with nano Sio2/Hio4 under solvent-free conditions

Bamoniri, Abdolhamid,Pourali, Ali Reza,Nazifi, S. Mohamad Reza

, p. 439 - 445 (2013/12/04)

Nano-silica supported periodic acid (nano-SPIA) has been utilized as a heterogeneous reagent for a highly efficient and one pot synthesis of azo dyes based on 1-naphthol under solvent-free conditions at room temperature. This method has some advantages, the reaction workup is very easy and the catalyst can be easily separated from the reaction mixture and one-pot procedure. The related products have been obtained in good to excellent yields, high purity and short reaction times. The structures of the products have been characterized by several techniques using UV-Vis, FT-IR, 1H NMR, 13C NMR and mass spectra.

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