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    HomeProductsBasic & Fine ChemicalsFine ChemicalsSulfosalicylic Acid CAS 97-05-2
    • Sulfosalicylic Acid CAS 97-05-2
    • Sulfosalicylic Acid CAS 97-05-2
    • Sulfosalicylic Acid CAS 97-05-2

    Sulfosalicylic Acid CAS 97-05-2

    Sulfosalicylic Acid is an aromatic sulfonic carboxylic acid supplied as a chemical raw material, also referred to as 2‑hydroxy‑5‑sulfobenzoic acid, sulfosalicylic acid dihydrate, or o‑hydroxybenzoic acid sulfonate in technical documentation. Identified by CAS 97‑05‑2, its molecular structure contains both sulfonic and carboxylic acid functional groups, enabling controlled acid–base interactions and complex formation behavior in solution systems. It is typically applied as an analytical reagent in industrial and laboratory chemical processes where defined acidity and precipitation or complexation characteristics are required. From a supply perspective, the material is provided with competitive factory pricing, customized specifications, and complete documentation including MSDS, TDS, COA, suitable for regulated bulk supply for industrial use.

    • CAS: 97-05-2
    • Synonyms: Sulfosalicylic acid, Sulfosalicylic acid dihydrate, 2-Hydroxy-5-sulfobenzoic acid, Sulfobenzoic acid derivative
    • Einecs: 202-555-6
    • Molecular Formula: C7H6O6S
    • Grade: Industrial grade 99%
    • Package: 200kg iron drum or 50kg plastic drum packaging
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    Product Description

    Sulfosalicylic acid

    Product name and properties: sulfosalicylic acid, 5-sulfosalicylic acid, 99% content, light gray powder crystals.

    Used for metal complexing agents, analysis of rare earth metal cerium, and determination of iron content of iron ore, coal coke, limestone, slag and other iron raw materials of steel. Intermediates for the manufacture of surfactants, organic catalysts, grease additives.

    The dye industry is used to make intermediates for surfactants. organic synthesis industry, for the manufacture of surfactants; on the lubricating ester, for additives. It is used as a biochemical reagent, analytical reagent and complexation indicator, and colorimetric analysis for the determination of high iron ions. Determination of iron ore, coal coke and limestone raw materials for steel. Intermediates for the manufacture of surfactants. Organic catalysts. Grease additives.

    Packaging: Lined with a two-layer plastic bag, 25 kg.

    Storage: Sealed storage in a dry, low-temperature and well-ventilated place.

    FAQ - Technical & Supply Chain

    • Q:

      Are sulfosalicylic acid and sulfosalicylic acid dihydrate the same substance?

      A: They refer to the same core compound, but the dihydrate form contains defined water of crystallization and is assigned the CAS number 97‑05‑2.
    • Q:

      Is sulfosalicylic acid different from salicylic acid?

      A: Yes. Sulfosalicylic acid contains an additional sulfonic acid group, giving it different acidity and solubility characteristics.
    • Q:

      Is sulfosalicylic acid mainly supplied as an industrial chemical rather than a finished formulation?

      A: It is typically supplied as a raw material or reagent for further industrial or analytical use.
    Documents

    Documents and Product Support

    For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

    • COA for batch-based quality reference
    • TDS for key physical and chemical information
    • SDS / MSDS for handling, storage, and safety reference
    • Packing information for sample, trial, and bulk orders
    • Technical communication based on application and specification requirements
    Quotation

    Information to Confirm Before Quotation

    Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

    • Product name and CAS number
    • Application or intended end use
    • Required purity, grade, or specification
    • Sample quantity, trial order, or bulk demand
    • Preferred packing form or net weight
    • Destination country or port
    • Required documents or compliance expectations
    Storage & Handling

    Packaging, Storage, and Handling Notes

    Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

    Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

    Supply Support

    Sample, Bulk Order and Repeat Supply Support

    Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

    For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

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    Analytical Reagent Aromatic Sulfonic Acid Salicylic Acid Derivative

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