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    • Glutaraldehyde (GDA) CAS 111-30-8

    Glutaraldehyde (GDA) CAS 111-30-8

    Glutaraldehyde, commonly abbreviated GDA, CAS 111-30-8, is a non-oxidizing aldehyde active supplied as an aqueous grade for industrial water, oilfield and pulp-and-paper microbiological-control programmes. Confirm the required grade, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 111-30-8
    • Synonyms: Glutaraldehyde; Pentanedial; Glutaral; GDA
    • Einecs: 203-856-5
    • Molecular Formula: C5H8O2
    • Grade: Industrial water-treatment grade; aqueous active concentration specified by application
    • Package: HDPE drums or IBCs for aqueous solution grades; shipment classification and pack must follow the current SDS
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    Product Description

    Glutaraldehyde (GDA) CAS 111-30-8 is pentanedial, with EC 203-856-5 and molecular formula C5H8O2.

    Synonyms: Glutaraldehyde; pentanedial; glutaral; GDA.

    CAS: 111-30-8.

    Molecular formula: C5H8O2.

    It is a non-oxidizing aldehyde active normally supplied as an acidic aqueous solution.

    It is commonly supplied at about 25% or 50% active concentration.

    It is used as a microbial-control active in cooling water, process water, oilfield and pulp-and-paper systems.

    It is also used where aldehyde cross-linking, preservation or leather-processing performance is required.

    Commercial acidic solutions are generally more stable in storage than alkaline-activated material.

    The active concentration affects storage volume, dosing calculations, freight classification and final formulation design.

    The selected grade should be based on the approved treatment programme rather than concentration alone.

    Dose depends on microbial load, water chemistry, contact time, system volume, biofilm condition and the approved programme.

    For quotation, confirm active concentration, pH, appearance, density, free-aldehyde test method, storage window and container compatibility.

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

    Use suitable PPE, ventilation and exposure controls when handling the material.

    Confirm active concentration 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 Glutaraldehyde CAS 111-30-8?

      A: Glutaraldehyde is a dialdehyde active with the molecular formula C5H8O2. In industrial water treatment it is normally supplied as an acidic aqueous solution, commonly at 25% or 50% active concentration.
    • Q:

      How do 25% and 50% glutaraldehyde solutions differ?

      A: The main difference is active concentration, which affects storage volume, dosing calculations, freight classification and final formulation design. The selected grade should be based on the approved treatment programme rather than concentration alone.
    • Q:

      Why are commercial glutaraldehyde solutions usually acidic?

      A: Acidic aqueous glutaraldehyde is generally more stable in storage. The relationship between pH, activity and stability depends on the formulation, so alkaline activation or pH adjustment should only be made where the finished use programme supports it.
    • Q:

      What are the main industrial uses of glutaraldehyde?

      A: It is used as a non-oxidizing microbial-control active in cooling water, process water, oilfield injection or produced water, and pulp and paper systems. It is also used where aldehyde cross-linking, preservation or leather-processing performance is required.
    • Q:

      Can one glutaraldehyde dose be used for every water system?

      A: No. Dose depends on microbial load, water chemistry, contact time, system volume, biofilm condition and the approved treatment programme. Site trials and programme calculations are needed to set an effective and safe dose.

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