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Acid modified starch

CAS No.: 68412-29-3

Formula: (C6H10O5)n

Molecular Weight: 0

Suppliers: All(0) China Suppliers(0) Products(2)

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What is Acid modified starch

**Introduction to Acid Modified Starch** Acid modified starch is a versatile carbohydrate derivative produced by treating native starch with mild acids under controlled conditions. This process partially hydrolyzes the starch molecules, reducing viscosity while enhancing properties like film-forming ability, binding strength, and thermal stability. Unlike native starch, acid-modified starch forms clear, firm gels and is ideal for applications requiring low hot-paste viscosity and high gel strength. It is widely used in the food industry (e.g., confectionery, gum candies), textiles, paper manufacturing, and adhesives. With improved solubility and stability, acid-modified starch offers a cost-effective solution for industries seeking enhanced texture, adhesion, and processing efficiency without compromising performance.

Preparation Process: To prepare acid-modified starch, follow these steps: 1. **Selection of Starch**: Use native starch (e.g., corn, potato, or tapioca). 2. **Slurry Preparation**: Disperse starch in water (30–40% solids) with gentle stirring. 3. **Acid Addition**: Add a mineral acid (e.g., hydrochloric or sulfuric acid, 1–3% w/w starch) at room temperature. 4. **Hydrolysis**: Heat the slurry to 40–60°C for 1–4 hours under constant agitation. 5. **Neutralization**: Adjust pH to 5–7 using sodium hydroxide or sodium carbonate. 6. **Washing & Drying**: Filter, wash with water, and dry (oven or spray drying). 7. **Final Product**: Obtain a low-viscosity, acid-thinned starch with improved solubility.

Usage Scenarios: Acid-modified starch is primarily used in the food industry as a thickener, stabilizer, or gelling agent, particularly in confectionery, sauces, and soups, where a lower viscosity is desired. It improves texture and mouthfeel in products like gummy candies and jelly beans. In the paper industry, it enhances surface strength and printability. The textile sector employs it for fabric sizing to improve yarn strength. Additionally, it serves as a binder in pharmaceuticals for tablet formulations and in adhesives for improved bonding properties. Its modified structure allows controlled breakdown under heat or shear, making it useful in applications requiring precise viscosity control.

Acid modified starch Basic Info

Chemical Name Acid modified starch

Synonyms CORN STARCH;POTATO STARCH;PREGELATINIZED STARCH;TAPIOCA STARCH;hydrolyzed;AMYLUM;RICE STARCH;Starch 1500;STARCH PREGELATINIZED;Acid modified, corn starch

CAS No. 68412-29-3

Molecular Formula (C6H10O5)n

Molecular Weight 0

PSA -

LogP -

Safely Info

RTECS GM5090000

Hazard Class -

Safety Statements 26

HS Code -

WGK Germany -

Packing Group -

RIDADR -

Risk Statements 36

Hazard Codes Xi

Caution Statement -

Hazard Declaration -

Symbol -

Signal Word -

Acid modified starch Price

Here is a rough price range for Acid Modified Starch in the 18 countries listed. Note that these ranges are approximate and can vary based on factors like quality, supplier, and market conditions:

1. **United States**: $0.50 - $1.50 per kg
2. **China**: $0.30 - $0.80 per kg
3. **Russia**: $0.40 - $1.00 per kg
4. **Germany**: $0.60 - $1.80 per kg
5. **India**: $0.25 - $0.70 per kg
6. **Japan**: $0.70 - $2.00 per kg
7. **Brazil**: $0.35 - $0.90 per kg
8. **South Korea**: $0.50 - $1.50 per kg
9. **Philippines**: $0.30 - $0.80 per kg
10. **United Kingdom**: $0.60 - $1.80 per kg
11. **France**: $0.60 - $1.80 per kg
12. **Mexico**: $0.35 - $0.90 per kg
13. **Canada**: $0.50 - $1.50 per kg
14. **South Africa**: $0.40 - $1.00 per kg
15. **Egypt**: $0.30 - $0.80 per kg
16. **Turkey**: $0.35 - $0.90 per kg
17. **Thailand**: $0.30 - $0.80 per kg
18. **Indonesia**: $0.30 - $0.80 per kg

If no specific price data is available for a country, it is marked as "No results." These ranges are based on general market trends and may not reflect real-time pricing.