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    • Glacial Acrylic Acid GAA CAS 79-10-7
    • Glacial Acrylic Acid GAA CAS 79-10-7

    Glacial Acrylic Acid GAA CAS 79-10-7

    Glacial Acrylic Acid, also called GAA or prop-2-enoic acid, CAS 79-10-7, is high-purity acrylic acid monomer supplied for polymer and chemical applications. Confirm the required purity, inhibitor and specification, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 79-10-7
    • Synonyms: 2-Propenoic acid, Propenoic acid, Vinylformic acid, Acroleic acid, Prop-2-enoic acid, GAA
    • Einecs: 201-177-9
    • Molecular Formula: C₃H₄O₂
    • Grade: Glacial Grade (Purity ≥99.5%), Ester Grade.
    • Package: 200kg PE Drum or 23-24MT ISO Tank.
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    Product Description

    Glacial Acrylic Acid CAS 79-10-7 is high-purity acrylic acid, chemically prop-2-enoic acid, with molecular formula C3H4O2, molecular weight about 72.06 and EINECS 201-177-9.

    Synonyms: 2-Propenoic acid; Propenoic acid; Vinylformic acid; Acroleic acid; Prop-2-enoic acid; GAA.

    CAS: 79-10-7.

    It has the molecular formula C3H4O2 and a molecular weight of about 72.06 g/mol.

    It is supplied as a clear, colorless liquid.

    Glacial grade is typically at least 99.5% acrylic acid, with low water, low color and controlled inhibitor.

    MEHQ (monomethyl ether of hydroquinone) is added as a polymerization inhibitor to prevent premature polymerization.

    It can freeze around 13 °C, and thawing must be slow and uniform.

    The largest use is making superabsorbent polymers for hygiene and agricultural water retention.

    It is also converted into acrylate esters for coatings, adhesives and other polymers.

    It is used in water treatment polymers and selected chemical intermediates.

    Rapid or uneven heating during thawing can leave unstabilized crystals and should be avoided.

    Store in a cool, dry, well-ventilated area away from heat, sunlight and incompatible materials.

    Keep away from oxidizers and polymerization initiators.

    Confirm appearance, purity, inhibitor content, water and color as required.

    Use suitable eye, skin and respiratory protection during handling, and wash skin contact with soap and water.

    Confirm packaging with the requested quantity and destination requirements.

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

    For an RFQ, state the intended use, required purity, inhibitor and specification, quantity, packaging, destination and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is Glacial Acrylic Acid GAA CAS 79-10-7?

      A: Glacial Acrylic Acid is high-purity acrylic acid, chemically prop-2-enoic acid, with the molecular formula C3H4O2 and molecular weight about 72.06 g/mol. It is a clear, colorless liquid monomer that is miscible with water, alcohol, and ether.
    • Q:

      What is the difference between glacial acrylic acid and ordinary technical or ester grade acrylic acid?

      A: Glacial grade is the high-purity monomer, typically at least 99.5% acrylic acid, with low water and color and controlled inhibitor level. Ester or technical grades may be selected for specific downstream polymerization or esterification processes where different water or impurity limits apply.
    • Q:

      Why is MEHQ added to Glacial Acrylic Acid CAS 79-10-7?

      A: MEHQ, or monomethyl ether of hydroquinone, is a polymerization inhibitor that prevents premature polymerization during storage and transport. Standard glacial grade is usually stabilized with about 200 +/- 20 ppm MEHQ.
    • Q:

      How should frozen Glacial Acrylic Acid be thawed safely?

      A: GAA can freeze around 13 deg C, and thawing must be slow and uniform. Rapid or uneven heating can leave unstabilized crystals because MEHQ may concentrate in the liquid phase, so controlled thawing with gentle circulation is important before use.
    • Q:

      What are the main downstream applications of Glacial Acrylic Acid GAA?

      A: The largest use is making superabsorbent polymers for hygiene and agricultural water retention. It is also converted into acrylate esters for coatings and adhesives, and polymerized into acrylic acid-based dispersants, scale inhibitors, and flocculants for water treatment.

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