Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate

Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate


    • Product Name Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate
    • Alias Congo Red
    • Einecs 401-680-4
    • Mininmum Order 1 g
    • Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry sales7@alchemist-chem.com
    • Manufacturer Ccount Chem
    • CONTACT NOW
    Specifications

    HS Code

    968065

    Chemicalname Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate
    Molecularformula C34H26N10Na2O7S2
    Molecularweight 828.75 g/mol
    Casnumber 1934-21-0
    Appearance Red to reddish-brown powder
    Solubility Soluble in water
    Meltingpoint 260-270°C (decomposes)
    Storageconditions Store at room temperature, keep container tightly closed, protected from light
    Phvalue 6.0-7.5 (1% solution in water)
    Synonyms C.I. Acid Red 14, Ponceau 4R
    Uses Food coloring, biological staining, textile dye
    Hazardstatements May cause skin and eye irritation
    Ecnumber 217-699-5
    Pubchemcid 5460894

    As an accredited Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Disodium (3E)-5-Amino...Disulfonate, 25 grams, is packaged in a sealed amber glass bottle with a tamper-evident screw cap.
    Storage Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate should be stored in a tightly sealed container, away from direct sunlight and moisture. Store at room temperature (15–25°C) in a well-ventilated, dry area. Keep away from incompatible materials such as strong oxidizers and acids. Ensure appropriate labeling and restrict access to authorized personnel only.
    Shipping The chemical **Disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate** will be shipped in a sealed container, protected from light, moisture, and extreme temperatures, and packaged according to chemical safety regulations to prevent spillage or contamination. Shipping complies with all applicable transport regulations for chemicals.
    Free Quote

    Competitive Disodium (3E)-5-Amino-6-[(E)-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Diazenyl]-3-(2-{4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Hydrazinylidene)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonate prices that fit your budget—flexible terms and customized quotes for every order.

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