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    Related: Tin Salt Tin Oxalate KBF4
    • Sodium Stannate Trihydrate CAS 12209-98-2
    • Sodium Stannate Trihydrate CAS 12209-98-2
    • Sodium Stannate Trihydrate CAS 12209-98-2
    • Sodium Stannate Trihydrate CAS 12209-98-2
    • Sodium Stannate Trihydrate CAS 12209-98-2

    Sodium Stannate Trihydrate CAS 12209-98-2

    Sodium Stannate Trihydrate, also called disodium stannate trihydrate, CAS 12209-98-2, is a hydrated inorganic stannate supplied as a white crystalline solid and positioned as a functional tin source for industrial chemical systems. Confirm the required grade, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 12209-98-2
    • Synonyms: Sodium Stannate Trihydrate; Disodium Trioxostannate Trihydrate; Disodium Stannate Trihydrate
    • Einecs: 235-030-5
    • Molecular Formula: Na2SnO3.3H2O
    • Grade: Industrial grade
    • Package: Standard export solid chemical packaging
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    Product Description

    Sodium Stannate Trihydrate CAS 12209-98-2 is a hydrated sodium tin oxide, with EC 235-030-5 and molecular formula Na2SnO3.3H2O.

    Synonyms: Disodium Trioxostannate Trihydrate; Disodium Stannate Trihydrate; Sodium Tin(IV) Oxide Trihydrate.

    CAS: 12209-98-2.

    Molecular formula: Na2SnO3.3H2O.

    It has a molecular weight of about 266.73 g/mol.

    It is supplied as a white crystalline solid or powder.

    It is soluble in water and forms an alkaline aqueous solution, and is generally insoluble in alcohol and acetone.

    It is positioned as a functional tin source for industrial chemical systems.

    It is used in alkaline electroplating and metal surface treatment as a tin source.

    It is used as an intermediate in inorganic chemical synthesis involving tin compounds.

    It is used in glass, ceramic, textile mordanting, and fire-retardant fabric applications.

    It is used as a stabilizer in hydrogen peroxide solutions and in water-based stannate formulations.

    It loses water of hydration at elevated temperature.

    Confirm the required grade, tin content, purity, appearance, solubility, pH, residue, and related specifications for the chosen grade.

    Store in tightly closed, moisture-resistant containers in a cool, dry, well-ventilated area, away from humid conditions and incompatible acidic or oxidizing materials.

    Use suitable PPE when handling the solid to prevent dust exposure and skin or eye contact.

    Confirm packaging suitable for the solid form and order quantity, and follow the current SDS.

    The page is an RFQ entry point and does not state stock, price, MOQ, or fixed lead time.

    For an RFQ, state the intended application, required grade, quantity, packaging, destination, and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is Sodium Stannate Trihydrate CAS 12209-98-2?

      A: Sodium stannate trihydrate is an inorganic tin salt containing sodium, tin, oxygen, and water of crystallization. CAS 12209-98-2 identifies this hydrated material, which is commonly written as Na2SnO3.3H2O or Na2Sn(OH)6, with a formula weight of about 266.73.
    • Q:

      Why is Sodium Stannate Trihydrate used in alkaline tin electroplating?

      A: It is a tin source that forms soluble stannate complexes in alkaline plating baths, especially when used with sodium hydroxide. This allows tin to be deposited from alkaline solution and supports more uniform tin or tin-alloy plating in the bath.
    • Q:

      What other applications does this product have?

      A: It is used as a stabilizer in hydrogen peroxide solutions, as an intermediate for downstream tin chemicals, and in glass, ceramic, textile mordanting, and fire-retardant fabric applications. It is also used in tin-alloy electroplating systems and water-based stannate process formulations.
    • Q:

      What are the typical physical properties?

      A: Sodium stannate trihydrate is normally a white crystalline solid or powder that is soluble in water and forms an alkaline aqueous solution. It is generally insoluble in alcohol and acetone and loses its water of hydration at elevated temperature.
    • Q:

      How should Sodium Stannate Trihydrate be stored and handled?

      A: Keep it in tightly closed, moisture-resistant containers in a cool, dry, well-ventilated area. Avoid humid conditions and incompatible acidic or oxidizing materials, and use suitable PPE when handling the solid to prevent dust exposure and skin or eye contact.

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