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    • Sodium Naphthalene Sulfonate Formaldehyde Condensate (SNF) CAS 9084-06-4

    Sodium Naphthalene Sulfonate Formaldehyde Condensate (SNF) CAS 9084-06-4

    Sodium Naphthalene Sulfonate Formaldehyde Condensate, commonly abbreviated SNF or NSF, CAS 9084-06-4, is a naphthalene-based concrete and mortar water-reducing dispersant supplied as powder or liquid. Confirm the required grade, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 9084-06-4
    • Synonyms: Sodium naphthalene sulfonate formaldehyde condensate; SNF; NSF; Naphthalene superplasticizer
    • Einecs: Not specified (condensation polymer)
    • Molecular Formula: Not specified (sulfonated naphthalene condensate)
    • Grade: Concrete-admixture grade; powder or liquid form selected by solids and cement compatibility
    • Package: 25 kg bags for powder grades or drums/IBCs for liquid grades; export pack is grade dependent
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    Product Description

    Sodium Naphthalene Sulfonate Formaldehyde Condensate (SNF) CAS 9084-06-4 is an anionic naphthalene-sulfonate formaldehyde condensation polymer.

    Synonyms: Sodium naphthalene sulfonate formaldehyde condensate; SNF; NSF; naphthalene superplasticizer.

    CAS: 9084-06-4.

    Molecular formula: Not specified (sulfonated naphthalene condensate).

    It is supplied as powder or liquid, with grades specified by solids, pH and cement compatibility.

    It is used mainly as a high-range water reducer and dispersant in concrete, mortar and industrial-dispersion applications.

    It adsorbs onto cement particles and disperses them, allowing a lower water-cement ratio while maintaining fluidity.

    Reported water reduction is commonly around 15-25%, but the actual result depends on cement chemistry, dosage and mix design.

    SNF uses naphthalene-sulfonate condensate chemistry, while PCE uses a polycarboxylate polymer with a different mechanism.

    SNF is also used as a dispersant for pigments, dyes, agrochemical formulations, emulsion polymerization and mineral or paper-processing systems.

    Powder and liquid grades are defined by active solids, pH and impurity limits rather than by name alone.

    For concrete admixture use, specify powder or liquid form, active solids, pH, density, sulfate and chloride limits.

    For selection, confirm the test method used to evaluate fluidity or slump, and validate cement compatibility in the intended mix.

    Store in closed containers and follow the applicable SDS for handling.

    Use suitable PPE when handling to avoid dust exposure and skin or eye contact.

    Confirm active solids, pH and physical consistency on the COA.

    Confirm grade, packaging, and specification as required.

    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 Naphthalene Sulfonate Formaldehyde Condensate (SNF) CAS 9084-06-4?

      A: SNF is an anionic naphthalene-sulfonate formaldehyde condensation polymer. It is used mainly as a high-range water reducer and dispersant in concrete, mortar and selected industrial-dispersion applications.
    • Q:

      How does SNF improve concrete workability?

      A: It adsorbs onto cement particles and disperses them, allowing a lower water-cement ratio while maintaining fluidity. Reported water reduction is commonly around 15-25%, but the actual result depends on cement chemistry, dosage and mix design.
    • Q:

      How does SNF differ from a polycarboxylate superplasticizer?

      A: SNF uses naphthalene-sulfonate condensate chemistry, while PCE uses a polycarboxylate polymer with a different adsorption and steric-stabilization mechanism. PCE often gives higher water reduction and longer slump retention at lower dosage, but SNF remains suitable for established or cost-sensitive mixes.
    • Q:

      What are the non-concrete uses of SNF?

      A: It can be used as a dispersant for pigments, dyes, agrochemical formulations, emulsion polymerization and mineral or paper-processing systems. The selected grade and impurity limits should match the non-concrete application.
    • Q:

      Which SNF specifications matter for a concrete admixture?

      A: State powder or liquid form, active solids, pH, density, sulfate and chloride limits, and the fluidity or slump test method. Cement compatibility, set time, air content and early strength should still be validated in the intended mix.

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