Table of Contents
1. Product Overview & Specifications
Calcium Alginate (CAS 9005-35-0) Technical Parameters
| Parameter | Specification | Test Method |
|---|---|---|
| Chemical Name | Calcium Alginate | USP/EP |
| CAS Number | 9005-35-0 | – |
| Molecular Formula | (C6H7O6Ca)n | Elemental Analysis |
| Appearance | White to cream fibrous particles | Visual Inspection |
| Solubility | Insoluble in water, soluble in sodium citrate solution | USP <786> |
| pH (1% Solution) | 6.5-7.5 | Potentiometric |
| Gel Strength | 250-450 g/cm² | Texture Analyzer |
| Ash Content | 18-25% | Gravimetric |
2. Key Applications of Calcium Alginate
Medical & Healthcare
- Advanced wound dressings for exuding wounds
- Dental impression materials
- Hemostatic agents in surgical procedures
Food Technology
- Stabilizer in dairy products (ice cream, yogurt)
- Encapsulation matrix for active food ingredients
- Edible films for food preservation
3. Comparative Analysis with Alternatives
| Property | Calcium Alginate | Sodium Alginate | Carboxymethyl Cellulose |
|---|---|---|---|
| Ion Sensitivity | Calcium-dependent | Sodium-dependent | pH-sensitive |
| Gelation Speed | Instant | Delayed | Temperature-dependent |
| Bioadhesion | High | Moderate | Low |
4. Industry-Specific Usage Guidelines
Pharmaceutical Formulation
Recommended concentration: 1-3% w/v in sustained-release matrix systems. Compatible with API having pKa <4.5.
Textile Printing
Optimal viscosity range: 800-1200 cP (Brookfield RVF, spindle 3@20rpm). Achieves sharp print definition on cellulose fabrics.
5. Verified Customer Case Studies (2022-2024)
Case 1: Advanced Wound Care Solutions Ltd. (UK)
Challenge: Needed non-adherent dressing for burn wounds with 90% fluid absorption capacity.
Solution: Custom calcium alginate blend with 380 g/cm² gel strength
Outcome: Reduced dressing change frequency by 40% with 99.2% bacterial containment
Case 2: NutraFoods Inc. (USA)
Challenge: Required stable omega-3 encapsulation for functional beverages.
Solution: 2:1 calcium alginate:coating polymer matrix
Result: Achieved 12-month shelf stability with <5% oxidation
6. Technical Consultation & Procurement Support
For formulation assistance or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Recommended Suppliers
| Supplier | Location | Certifications |
|---|---|---|
| Alginor ASA | Norway | GMP, ISO 22000 |
| Kimica Corporation | Japan | USP-NF, Halal |
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