Role in Textile Dyeing
pH Buffering Agent
Sodium acetate maintains the acidic pH (4.5–5.5) required for effective dye fixation.
It neutralizes excess acidity from acetic acid during dye baths, preventing fiber damage.
Dye Bath Stabilizer
Prevents dye hydrolysis and ensures uniform color shades.
Improves dye uptake efficiency and reduces wastage.
Eco-Friendly Alternative
Acts as a biodegradable, non-toxic buffering salt compared to inorganic salts.
Suitable for eco-textile processing and sustainable dyeing applications.
Applications in Textile Industry
Acetate, Silk, and Wool Dyeing: Maintains pH for acid dye fixation.
Reactive Dyeing of Cotton: Used in combination with acetic acid.
Textile Finishing: Acts as a neutralizer post-dyeing to balance bath pH.
Printing and Bleaching: Used in printing pastes and bleaching stabilizers.
Advantages
Provides uniform and reproducible dyeing results.
Prevents patchiness and streaking in delicate fabrics.
Improves color fastness and fabric softness.
Compatible with most dyes and textile auxiliaries.
Available Grades
Sodium Acetate Anhydrous
Sodium Acetate Trihydrate
Both grades are available in high purity suitable for industrial dyeing and finishing operations.
Typical Specifications
Parameter Sodium Acetate Anhydrous Sodium Acetate Trihydrate
Appearance White crystalline powder White crystalline flakes
Purity ≥ 99% ≥ 98%
pH (5% Solution) 7.0 – 9.0 7.0 – 9.0
Solubility Freely soluble in water Freely soluble in water
Packaging Options
25 kg / 50 kg HDPE bags with liner
Jumbo bags available on request
Safety & Handling
Store in a cool, dry place away from acids.
Avoid contact with moisture.
Non-hazardous and biodegradable.
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Sodium Acetate (CH₃COONa) is a versatile industrial chemical salt used across a wide range of manufacturing, processing, and formulation industries. It is available in Anhydrous and Trihydrate forms and serves as a buffering agent, process stabilizer, and raw material in multiple chemical applications.
Its high solubility, biodegradability, and stable pH properties make it ideal for use in textiles, pharmaceuticals, food, leather, and water treatment industries.
1. Textile & Dyeing Industry
Acts as a buffering agent in acid dye baths for silk, wool, and acetate fibers.
Ensures uniform dye penetration and maintains stable pH conditions.
Reduces fabric damage by neutralizing excess acetic acid.
Used in printing and textile finishing processes to enhance color quality and fabric softness.
2. Leather Tanning Industry
Used in chrome tanning to maintain the right pH balance for effective chromium salt absorption.
Enhances leather softness, flexibility, and dye uniformity.
Helps neutralize residual acids in the tanning process.
3. Food Industry (E262 Food Additive)
Sodium acetate (E262) and sodium diacetate are used as food preservatives and acidity regulators.
Commonly used in snack foods, sauces, and pickles to maintain flavor stability and extend shelf life.
Recognized as safe and non-toxic under food-grade quality standards.
4. Pharmaceuticals & Laboratories
Used as a buffering agent in pharmaceutical formulations and analytical chemistry.
Plays a role in DNA extraction buffers and biochemical reagents.
Serves as a pH controller in saline and intravenous solutions (under pharma-grade purity).
5. Chemical Manufacturing
Intermediate in the production of acetic acid, acetic anhydride, and other acetates.
Used as a carbon source in biochemical fermentation processes.
Aids in neutralization reactions and as a component in photo-developer solutions.
6. Heating Pads & Hand Warmers
Sodium acetate trihydrate is the active heat storage compound in reusable heating pads.
Releases heat through exothermic crystallization, making it ideal for portable thermal packs.
7. Water Treatment
Serves as a biodegradable carbon source in wastewater treatment plants.
Promotes denitrification and microbial growth in biological treatment systems.
8. Electroplating & Metal Finishing
Used as a buffering and complexing agent in nickel plating and other metal finishing baths.
Enhances coating quality and reduces hydrogen embrittlement.
Advantages of Industrial Sodium Acetate
Excellent pH stability and buffering capacity.
Non-toxic, biodegradable, and environmentally safe.
Available in anhydrous and trihydrate forms for diverse applications.
Compatible with a wide range of industrial chemicals.
Typical Packaging
25 kg / 50 kg HDPE bags with liner
500 kg / 1000 kg jumbo bags available on request
Industries Served
Textile & Dyeing
Leather & Tanning
Food & Beverages
Pharmaceuticals
Water Treatment
Electroplating & Metal Finishing
Chemical Manufacturing
Heat Pack Production
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SODIUM ACETATE IN FABRIC COLOR FASTNESS
Overview
Sodium Acetate (CH₃COONa) plays a crucial role in improving fabric color fastness during the textile dyeing and finishing process. It acts as a buffering agent that maintains the required pH level of the dye bath, ensuring proper dye fixation on fibers such as cotton, wool, silk, and polyester blends.
The result is vibrant, long-lasting, and uniform colors with superior resistance to washing, rubbing, and light exposure.
What is Color Fastness?
Color fastness refers to a fabric’s ability to retain its color without fading or bleeding during washing, exposure to sunlight, perspiration, or friction.
Maintaining an optimal pH during dyeing is critical to achieve strong bonding between dye molecules and fabric fibers — and this is where sodium acetate becomes essential.
Role of Sodium Acetate in Improving Color Fastness
pH Buffer in Dye Bath
Sodium acetate maintains an ideal pH (4.5–6.0) for acid and reactive dyes.
Prevents excessive acidity that can weaken dye-fiber bonds.
Ensures even color absorption and prevents patchy or uneven dyeing.
Stabilizes Dye Fixation
Helps control the rate of dye uptake, promoting uniform penetration of dye molecules.
Ensures better fastness to washing and perspiration by improving dye anchoring.
Prevents Hydrolysis of Reactive Dyes
Reduces dye hydrolysis during reactive dyeing, enhancing fixation efficiency.
Results in stronger and longer-lasting color shades.
Neutralizing Agent after Dyeing
Used in post-dyeing treatments to neutralize residual acids or alkalis.
Improves softness and brightness of the finished fabric.
Applications in Textile Processing
Acid Dyeing of Wool, Silk, and Nylon
Reactive Dyeing of Cotton and Blended Fabrics
After-Treatment in Color Fixation Baths
Printing and Finishing Processes
Benefits of Sodium Acetate in Fabric Dyeing
Enhances wash, rub, and light fastness of colors.
Maintains consistent shade reproducibility across batches.
Prevents color bleeding and ensures fabric softness.
Eco-friendly and compatible with all major textile dyes.
Recommended Form
Sodium Acetate Anhydrous – For concentrated industrial use.
Sodium Acetate Trihydrate – For easier dissolution and pH control in aqueous dye baths.
Packaging
25 kg / 50 kg HDPE bags with liner
Bulk jumbo bags available on request
Safety and Storage
Store in a dry, well-ventilated area away from strong acids.
Non-toxic and biodegradable, making it safe for eco-textile processing.
• CAS (anhydrous): 127-09-3
• CAS (trihydrate): 6131-90-4
• E number: E262 (food additive)
• EC number (anhydrous): 204-823-8
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