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    Chemical structure of Sunset Yellow , CAS 2783-94-0, AChemBlock V155998

    Sunset Yellow

    Catalog ID: V155998

    Product Name: Sunset Yellow
    CAS: 2783-94-0
    MDL: MFCD00036437
    Purity: 98%
    FW: 452.36
    Formula: C₁₆H₁₀N₂Na₂O₇S₂
    Synonym(s): disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
    Smiles: O=S(C1=CC2=C(C=C1)C(N=NC3=CC=C(S(=O)([O-])=O)C=C3)=C(O)C=C2)([O-])=O.[Na+].[Na+]
    Sunset Yellow 98%, CAS#: 2783-94-0, Cat ID: V155998, REFERENCE COMPOUNDS, AChemBlock
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    Packaging List Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:1G List Price: $270 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Jun 29,2026

    Packaging:5G List Price: $945 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Jun 29,2026

    update on 06-14-2026

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    Purity 98%
    Appearances
    Storage Store at 0-8 °C
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    MSDS Download MSDS
    IUPAC Name disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
    HTS Code
    Smiles O=S(C1=CC2=C(C=C1)C(N=NC3=CC=C(S(=O)([O-])=O)C=C3)=C(O)C=C2)([O-])=O.[Na+].[Na+]
    InChiKey OIQPTROHQCGFEF-UHFFFAOYSA-L
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