This section focuses on an overview of starch acetate powder as well as its manufacturing processes and uses. Also, please check out the introduction to starch acetate manufacturers, supply chain issues, starch acetate suppliers, and starch acetate prices. Sinofi can help you buy high-quality starch acetate in bulk for your industry applications at wholesale prices based on E1420 and CAS 9045-28-7.
Table of Contents
What is Starch Acetate?
Starch acetate is a modified starch derivative produced through the acetylation of natural starch. It is synthesized through the esterification of starch with acetic anhydride or other acetylating agents. The reaction typically occurs under controlled conditions with a catalyst such as sodium hydroxide. This chemical modification alters the native properties of starch, creating a versatile compound with enhanced characteristics that make it valuable across multiple industries. Starch acetate acquires improved stability, solubility, and functionality compared to its unmodified counterpart. According to the U.S. Food and Drug Administration (FDA), starch acetate is approved to be used in the food and pharmaceutical industries.
Starch acetate possesses several advantageous properties that distinguish it from native starch:
- Enhanced hydrophobicity: As the degree of acetylation increases, the water resistance of the starch improves.
- Reduced gelatinization temperature: Acetylated starch forms gels at lower temperatures than unmodified starch.
- Improved film-forming ability: Creates transparent, flexible films with greater mechanical strength.
- Increased stability: Shows greater resistance to retrogradation and freeze-thaw cycles.
- Controlled viscosity: Maintains more stable viscosity under various processing conditions.
CAS No.: 9045-28-7
According to the American Chemical Society, the CAS number of starch acetate is 9045-28-7.
Molecular Formula: C2H4O2.x Unspecified.
Appearance: White powder.
Solubility: Easily soluble in hot water.
Other Names:
Starch, acetate
Starch acetate
E 1420
Acetyl starch
Cleargum MB 80
Acetylated starch
Acetylated corn starch
E number: E1420
According to the European Food Safety Authority (EFSA), starch acetate is approved to be used as E1420 food additive.
Bulk Starch Acetate Manufacturers
The global starch acetate manufacturing landscape is dominated by several bulk manufacturers with significant production capacity. Top starch acetate manufacturers like Ingredion and Tate & Lyle offer various grades of starch acetate. Major players in North America and Europe maintain significant market share, while Asian manufacturers are rapidly expanding their production capacity.
Sinofi is a bulk starch acetate manufacturer in China, and we have a manufacturing facility with 2,500 square meters for the production of starch acetate E1420. We supply high-quality starch acetate at bulk prices and serve the food, pharmaceutical, textile, and paper industries worldwide.
Manufacturing Process of Starch Acetate
Starch acetate production represents a significant sector within the modified starch industry. The manufacturing process, while technically demanding, yields a versatile product with applications spanning multiple industries.
Raw Materials
The primary raw materials required for starch acetate production include:
- Native starch (commonly sourced from corn, potato, tapioca, or wheat).
- Acetic anhydride or vinyl acetate (primary acetylating agents).
- Sodium hydroxide or other alkaline catalysts.
- Acetic acid (for pH adjustment).
- Water (as reaction medium).
Manufacturing Processes
Starch acetate production typically follows one of two major industrial approaches:
Aqueous Process
The aqueous process represents the most widely implemented commercial method for starch acetate production. This process involves:
- Starch Slurry Preparation: Native starch is dispersed in water to form a slurry with concentrations typically ranging from 30-45% solids. The slurry temperature is maintained between 15-30°C.
- Alkaline Activation: Sodium hydroxide or other alkaline catalysts are added to activate the starch hydroxyl groups, enhancing their reactivity with the acetylating agent. The pH is carefully controlled between 8-9.
- Acetylation Reaction: Acetic anhydride is added gradually to the activated slurry while maintaining precise temperature control. The reaction is exothermic, requiring effective cooling systems. The acetylation period typically lasts 30-60 minutes.
- Neutralization: After reaching the desired degree of substitution (DS), the reaction is terminated by adjusting the pH to 5.5-6.5 using acetic acid or hydrochloric acid.
- Purification: The modified starch is washed repeatedly to remove reaction byproducts, particularly sodium acetate and unreacted reagents.
- Dewatering and Drying: The purified starch acetate undergoes dewatering using centrifuges or vacuum filters, followed by drying in flash, spray, or drum dryers to achieve a final moisture content below 13%.
Quality Control and Testing
Quality assurance for starch acetate involves testing:
- Acetyl content and degree of substitution
- Moisture content
- pH
- Viscosity profile
- Clarity and color
- Particle size distribution
- Microbiological parameters
- Residual reagents
Advancements in process technology continue to improve production efficiency, product quality, and environmental sustainability, ensuring starch acetate remains a valuable industrial material.
Bulk Starch Acetate Suppliers
The global supply of starch acetate is dominated by bulk suppliers like Ingredion and Tate & Lyle. They established themselves as premier suppliers of starch derivatives, including starch acetate. They operate production facilities across Europe, Asia, and North America, providing consistent quality and reliable supply chains. Their product portfolio encompasses various grades of starch acetate tailored for specific industrial applications.
The production of bulk starch acetate is concentrated in several key regions globally:
Asia-Pacific leads production volume, with China, India, and Thailand serving as major manufacturing hubs. The abundance of raw materials and lower production costs provide these countries with significant competitive advantages. North America and Europe maintain substantial market shares, with production facilities concentrated in the United States, Germany, France, and the United Kingdom. These regions typically focus on higher-grade starch acetate products for specialized applications.
Sinofi is a bulk starch acetate supplier in China, and we have a warehouse with 1,200 square meters for high-quality starch acetate E1420. We sell different grades of starch acetate at wholesale prices to food, pharmaceutical, textile, and paper manufacturers.
Supply Chain of Starch Acetate
The starch acetate supply chain represents a complex network that connects agricultural production to diverse industrial applications. Its structure reflects the transformation of renewable resources into valuable functional materials through multiple processing stages.
Raw Material Sourcing
The starch acetate supply chain begins with the cultivation and harvesting of starch-rich crops. The primary sources include:
- Corn (maize): Predominantly sourced from the United States, China, and Brazil.
- Potato: Mainly from European countries such as Germany, Poland, and the Netherlands.
- Cassava (tapioca): Primarily from Thailand, Vietnam, and Indonesia.
- Wheat: From major producers like Russia, the European Union, and the United States.
Supply Chain Structure
The starch acetate supply chain follows a multi-tiered structure:
Tier 1: Raw Material Suppliers
Agricultural producers and cooperatives that cultivate starch-rich crops and supply them to starch extraction facilities.
Tier 2: Starch Manufacturers
Companies that extract native starch from raw agricultural materials serve as the primary processors in the supply chain.
Tier 3: Starch Acetate Producers
Specialty chemical companies that convert native starch into starch acetate through acetylation processes represent the secondary processing stage.
Tier 4: Distributors and Trading Companies
Entities that facilitate the movement of starch acetate from producers to end-users often provide value-added services such as custom packaging, blending, or technical support.
Tier 5: End-Users
Industries that incorporate starch acetate into their products include:
• Food manufacturers
• Pharmaceutical companies
• Textile producers
• Paper manufacturers
As demand for sustainable alternatives to conventional plastics continues to grow, the starch acetate supply chain will likely undergo further evolution, with increased emphasis on sustainability, technical performance, and cost-effectiveness. Stakeholders across the supply chain must navigate numerous challenges while capitalizing on emerging opportunities to ensure the continued development of this important biopolymer market.
Wholesale and Buy Starch Acetate in Bulk
For buyers who use starch acetate, wholesale purchasing represents a strategic approach to material procurement. They should establish relationships with reputable suppliers and implement proper inventory management practices. Only in this way can they achieve significant cost savings while ensuring consistent material quality and supply chain security.
When sourcing bulk starch acetate, buyers should consider several critical factors:
- Product specifications and consistency are paramount, as variations can significantly impact end-product performance.
- Regulatory compliance varies by region and application, particularly for food and pharmaceutical grades.
- Supply chain reliability has become increasingly important amid global logistics challenges.
- Sustainability credentials are gaining significance as companies implement environmentally responsible procurement policies.
As a bulk starch acetate manufacturer and supplier in China, we supply high-quality E1420 ingredient for food, pharmaceutical, textile, and paper industries. We also wholesale starch acetate to small customers. Normally, they want to buy starch acetate in small quantities. To serve them, we can wholesale high-quality starch acetate at bulk prices and provide a one-stop purchasing service.
Starch Acetate Prices (USD/Kg)
Food Grade Starch Acetate Prices (Acetylated groups, g/100g≤2.5)
| Volume | Unit Price | Shipment |
| 50g | 2 USD | Express |
| 500g | 6 USD | Express |
| 1Kg | 9 USD /Kg | Express |
| 10Kg | negotiable | Express |
| 100Kg-Above | negotiable | Express / Sea |
The global starch acetate prices have experienced notable fluctuations over the past two years. The current market price recorded an increase of 12% from the previous year’s figures. This upward trajectory can be attributed to several key factors affecting both supply and demand dynamics. Raw material availability has significantly influenced starch acetate pricing. Corn, potato, and cassava, the primary sources for starch extraction, have faced yield challenges due to adverse weather conditions in major agricultural regions. Additionally, logistical disruptions in key production hubs have contributed to increased manufacturing costs. Production capacity utilization rates among leading manufacturers have remained between 75% and 85%, with scheduled maintenance and operational adjustments impacting overall supply. Energy costs, particularly in Europe and parts of Asia, have added further pressure on production economics.
Furthermore, the above price quotations of starch acetate, especially for small orders, do not include the express shipping fee. The reason is that the shipment cost of starch acetate may exceed the value of the sample. However, the bulk wholesale prices of starch acetate will be much lower than those of small orders. Please contact us for more details.
Starch Acetate Uses
Starch acetate exemplifies how modified natural polymers can serve diverse industrial needs while addressing sustainability concerns.
Food Uses
The food industry utilizes starch acetate as a food additive (E1420), primarily as a stabilizer, thickener, and texturizing agent. Its resistance to retrogradation—the process by which starch molecules realign after gelatinization—results in improved freeze-thaw stability and reduced syneresis in frozen foods.
Food manufacturers incorporate starch acetate into:
- Bakery products to extend shelf life and improve texture.
- Sauces and gravies can use it as a thickening agent with enhanced heat and acid stability.
- Dairy products to improve creaminess and prevent phase separation.
- Processed meats can use it as a binding agent.
The modified starch’s ability to maintain viscosity under varying pH and temperature conditions makes it particularly valuable in processed food applications.
Pharmaceutical Uses
In the pharmaceutical industry, starch acetate serves as an effective excipient in drug formulations. Its binding properties make it valuable for tablet production, while its film-forming capabilities enable controlled release applications. Starch acetate microparticles and nanoparticles have been developed as drug delivery systems, offering improved bioavailability and targeted release profiles for active pharmaceutical ingredients.
Cosmetic and Personal Care Uses
In cosmetic formulations, starch acetate functions as a thickening agent, stabilizer, and texture modifier. Its film-forming properties make it suitable for:
- Hair styling products that provide hold without stiffness.
- Facial masks and peel-off formulations.
- Emulsion stabilization in creams and lotions.
- Oil-absorbing powders in dry cosmetics.
The mild nature of starch acetate makes it appropriate for sensitive skin applications, while its ability to enhance the sensory attributes of cosmetic products contributes to consumer acceptance.
Textile Uses
In textiles, starch acetate serves as a sizing agent for yarns and fabrics, improving weaving efficiency by reducing fiber breakage and friction. Unlike natural starch, starch acetate demonstrates superior adhesion to synthetic fibers and greater resistance to microbial degradation. The textile industry also employs starch acetate in fabric finishing processes to enhance properties such as:
- Crease resistance
- Dimensional stability
- Water repellency
- Improved dye uptake and retention
These applications contribute to higher-quality textile products with enhanced performance characteristics.
Paper Uses
The paper industry utilizes starch acetate as a surface sizing agent and wet-end additive. When applied to paper surfaces, starch acetate improves:
- Print quality by reducing ink penetration
- Surface strength and smoothness
- Water resistance
- Dimensional stability
In papermaking processes, starch acetate aids in fiber retention and enhances the strength properties of the final product. The modified starch’s improved film-forming capabilities result in more uniform coatings compared to native starch.
Packaging and Biodegradable Uses
As environmental concerns regarding plastic pollution intensify, starch acetate-based biodegradable films and coatings offer viable alternatives to conventional petroleum-based packaging materials. Starch acetate films exhibit improved water resistance compared to native starch films while maintaining biodegradability. When blended with other biopolymers, such as polylactic acid (PLA) or polyhydroxyalkanoates (PHAs), starch acetate contributes to composite materials with enhanced mechanical properties and controlled degradation rates.
Starch acetate exemplifies how modified natural polymers can serve diverse industrial needs while addressing sustainability concerns. From pharmaceutical excipients to biodegradable packaging, starch acetate’s functional versatility continues to drive innovation across sectors. As research advances and production technologies evolve, this biopolymer derivative is likely to play an increasingly important role in the transition toward more sustainable material solutions.
Starch Acetate Benefits
Starch acetate represents an important advancement in biopolymer technology, offering numerous benefits across diverse industries.
Physical Property Benefits
Starch acetate offers substantial improvements over native starch in several key areas. The acetylation process significantly reduces the tendency for retrogradation, resulting in improved stability during freezing and thawing cycles. This modified starch also demonstrates enhanced water resistance while maintaining good film-forming properties. Additionally, starch acetate exhibits lower gelatinization temperatures and reduced viscosity in solution compared to its unmodified counterpart, making it easier to process and incorporate into various formulations.
Environmental Benefits
As a derivative of natural starch, it maintains good biodegradability while offering enhanced functionality. This combination makes starch acetate an increasingly important alternative to petroleum-based polymers in various applications. Industries seeking to reduce their environmental footprint can incorporate starch acetate as part of their sustainability initiatives, addressing growing consumer demand for eco-friendly products.
As research advances and production methods become more efficient, starch acetate is likely to play an increasingly important role in the development of sustainable industrial materials and consumer products.
Starch Acetate Used in Food
A Salad Dressing Powder
The food ingredients contained are as follows (by weight):
Glucose powder 40%;
White granulated sugar 5.5%;
Acetylated disodium phosphate starch ester 20%;
Acetic acid starch ester 20%;
Sodium carboxymethyl cellulose 0.25%;
Xanthan gum 0.25%;
Emulsifier 2.95%;
Soy protein 5%;
Sodium caseinate 5%;
Potassium sorbate 0.05%.
In conclusion, starch acetate represents an important class of modified starches with versatile applications across multiple industries. Its unique combination of properties—including enhanced stability, film-forming ability, and controlled functionality—makes it a valuable ingredient in food products, pharmaceuticals, paper, textiles, and environmentally friendly packaging. As a bulk starch acetate manufacturer and supplier in China, we sell different grades of starch acetate at wholesale prices to large manufacturers and small customers worldwide.