Table of Contents
Potassium Alginate (CAS 9005-36-1) Overview
Basic Parameters
| Parameter | Description |
|---|---|
| CAS Number | 9005-36-1 |
| Molecular Formula | (C₆H₇O₆K)n |
| Appearance | White to yellowish fibrous/powder |
| Solubility | Cold water soluble, forms viscous solution |
| Viscosity (1% solution) | 200-800 mPa·s |
| pH Range | 6.0-7.5 (1% aqueous solution) |
| Loss on Drying | ≤15% |
Grade Comparison
| Grade | Food Grade | Pharma Grade | Industrial Grade |
|---|---|---|---|
| Purity | ≥95% | ≥99% | ≥90% |
| Heavy Metals | <5ppm | <3ppm | <10ppm |
| Gelling Temp | 30-50°C | 35-60°C | 25-70°C |
| Certifications | FDA, Halal | USP, EP | REACH |
Key Applications
Food Industry
- Low-calorie food thickener (ice cream, sauces)
- Stabilizer in dairy alternatives
- Molecular gastronomy applications
Pharmaceuticals
- Tablet disintegrant
- Wound dressing component
- Drug delivery matrices
Textile Printing
- Reactive dye thickener
- Screen printing additive
Implementation Case Studies
Case 1: Healthy Food Manufacturer
Client: NutriHealth Foods Co. (California)
Challenge: Needed plant-based stabilizer for keto pudding line
Solution: 0.8% potassium alginate concentration
Result: 30% viscosity improvement vs carrageenan
Case 2: Pharmaceutical Producer
Client: EuroPharma Ltd. (Germany)
Requirement: Delayed-release antacid tablets
Implementation: 12% alginate matrix coating
Outcome: Extended release to 8-10 hours
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