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Sodium Acetate

Trihydrate sodium acetate is a kind of colorless, odorless crystal, flammable, soluble in water and ethanol, slightly soluble in acetic. Special gravity:1.45, melting point:58℃.Anhydrous sodium acetate, white powder, special gravity:1.528, melting point:324℃. Soluble in water, slightly soluble in ethanol.
  • 127-09-3

  • C2H3NaO2

  • 82.03379

  • 204-823-8

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DESCRIPTION

Sodium Acetate


Product Overview


Sodium Acetate is an organic sodium salt of acetic acid, widely used as a buffering agent, preservative, pH regulator, and industrial intermediate. It is known for its high solubility in water, chemical stability, and versatility across food, pharmaceutical, laboratory, and industrial applications.


Sodium acetate is commonly available in anhydrous and trihydrate forms, making it suitable for diverse formulation and process requirements.




Key Product Identification


  • Product Name: Sodium Acetate

  • Chemical Formula: CH₃COONa

  • CAS Number: 127-09-3 (Anhydrous)

  • CAS Number (Trihydrate): 6131-90-4

  • Molecular Weight: 82.03 g/mol (Anhydrous)

  • HS Code: 29152900

  • Appearance: White crystalline powder or granules

  • Odor: Odorless

  • Solubility: Freely soluble in water




Chemical & Physical Properties


Property Typical Specification
Assay (CH₃COONa) ≥ 99.0%
pH (5% solution) 7.5 – 9.0
Chloride (Cl⁻) ≤ 0.005%
Sulfate (SO₄²⁻) ≤ 0.01%
Iron (Fe) ≤ 0.001%
Moisture ≤ 1.0% (Anhydrous)
Loss on Drying ≤ 39% (Trihydrate)



Manufacturing & Quality Control


Sodium Acetate is produced by neutralizing acetic acid with sodium hydroxide or sodium carbonate, followed by evaporation, crystallization, and drying.


Quality assurance measures include:


  • Purity and assay testing

  • Moisture and impurity analysis

  • Batch traceability and documentation

  • Compliance with food and pharma standards


Available grades:


  • Food Grade (E262)

  • Pharmaceutical Grade

  • Industrial Grade



Applications of Sodium Acetate


Food & Beverage Industry

  • Preservative and acidity regulator (E262)

  • Flavor enhancer in seasonings and snacks

  • pH buffering agent in food processing


Pharmaceutical & Laboratory Use

  • Buffer solutions for biochemical applications

  • Dialysis and injectable formulations

  • Reagent in analytical chemistry


Industrial Applications

  • Textile dyeing and printing

  • Leather tanning and processing

  • Heat packs and thermal storage systems


Water Treatment & Chemical Processing

  • pH control and buffering

  • Intermediate for acetate-based chemicals




Packaging & Storage


  • Packaging Options:

    • 25 kg paper or woven bag

    • 1,000 kg jumbo bag

    • Customized packaging available


  • Storage Conditions:

    • Store in a cool, dry place

    • Keep containers tightly sealed

    • Avoid excessive moisture exposure


  • Shelf Life: 24 months under proper storage conditions




Safety & Handling


  • Low toxicity under normal handling

  • Avoid inhalation of dust

  • Use standard protective equipment

  • Refer to SDS / MSDS for detailed safety guidance




Regulatory & Compliance


Documentation available upon request:


  • COA (Certificate of Analysis)

  • SDS / MSDS

  • Food-grade compliance (E262)

  • REACH and export documentation




Why Choose Our Sodium Acetate?


  • ✔ High purity and stable quality

  • ✔ Available in anhydrous and trihydrate forms

  • ✔ Suitable for food, pharma, and industrial use

  • ✔ Reliable global supply and competitive pricing

  • ✔ Professional technical and regulatory support




Frequently Asked Questions (FAQ)


Q1: What is Sodium Acetate used for?


It is used as a buffer, preservative, pH regulator, and industrial chemical intermediate.


Q2: Is Sodium Acetate food grade?


Yes, food-grade sodium acetate (E262) is approved for regulated food applications.


Q3: What is the difference between anhydrous and trihydrate forms?


The trihydrate contains crystallization water and is often used in thermal and buffering applications.


Q4: How should Sodium Acetate be stored?


Store in sealed containers in dry conditions to prevent moisture absorption.


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