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    HomeProductsBasic & Fine ChemicalsFine ChemicalsPropionic Acid (CAS 79-09-4)
    • Propionic Acid (CAS 79-09-4)
    • Propionic Acid (CAS 79-09-4)

    Propionic Acid (CAS 79-09-4)

    Propionic Acid, also known as Propanoic Acid, is an organic carboxylic acid supplied under CAS 79-09-4 for preservative, chemical intermediate, and industrial applications. We typically offer industrial grade 99% material with supporting documents such as COA, TDS, and SDS/MSDS. Sample requests, bulk supply, and packaging options can be discussed according to buyer requirements and destination regulations.

     

    • CAS: 79-09-4
    • Synonyms: Propanoic acid, Methylacetic acid, Ethylformic acid, Propionic carboxylic acid
    • Einecs: 201-176-3
    • Molecular Formula: CH3CH2COOH
    • Grade: Industrial grade 99%
    • Package: 200kg iron drum or 50kg plastic drum packing
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    Product Description

    Propionic Acid, also known as Propanoic Acid, is a short-chain carboxylic acid with the chemical formula CH3CH2COOH and a molecular weight of 74.08. It is a colorless liquid with a pungent odor and is miscible with water, ethanol, chloroform, and ether. Propionic Acid is commonly used in preservative systems, calcium and sodium propionate production, chemical intermediate processing, and selected industrial applications. We can discuss industrial grade supply, supporting documents such as COA, TDS, and SDS/MSDS, as well as packaging and bulk quantity requirements according to buyer needs.

    Chemical Formula: CH3CH2COOH

    Molecular Weight: 74.08

    CAS Number: 79-09-4

    EINECS Number: 201-176-3

    Melting Point: -20.8 °C

    Boiling Point: 141 °C

    Water Content: ≤ 0.05%

    Density: 0.99 g/cm³ (25 °C)

    Appearance: Colorless liquid

    Flash Point: 54 °C

    Applications: Grain preservatives; Calcium/Sodium Propionate production; Herbicides and pharmaceutical intermediates

    Storage Method:

    Store in a cool, dry, and well-ventilated warehouse. Keep away from heat, ignition sources, and direct sunlight. The storage temperature should not exceed 30°C. Keep the container tightly sealed. Store separately from oxidizing agents, reducing agents, and alkalis, and avoid mixed storage. Use suitable ventilation and safety equipment in the storage area. Appropriate leakage emergency treatment equipment and containment materials should also be prepared.

    FAQ - Technical & Supply Chain

    • Q:

      Are propionic acid and propanoic acid the same chemical substance?

      A: Yes. Propionic acid and propanoic acid are different naming conventions for the same compound identified by CAS 79-09-4.
    • Q:

      Are Propionic Acid and Propanoic Acid the same substance?

      A: Yes. Propionic Acid and Propanoic Acid refer to the same chemical substance under CAS 79-09-4. On this page, Propionic Acid is used as the primary product name, while Propanoic Acid is listed as a common synonym for buyer reference.
    • Q:

      What is Propionic Acid CAS 79-09-4 used for?

      A: Propionic Acid CAS 79-09-4 is commonly used in preservative systems, chemical intermediate production, and selected industrial applications. Final suitability should be evaluated by the buyer according to process requirements, formulation design, and regulatory conditions.
    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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    Product Categories

    Tags:

    Acidulant Carboxylic Acid Intermediate Organic Acid Preservative Ingredient

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