Calcium Sulfate Dihydrate (CAS 10101-41-4): Comprehensive User Guide
Table of Contents
1. Introduction to Calcium Sulfate Dihydrate
Calcium Sulfate Dihydrate (CaSO₄·2H₂O), CAS 10101-41-4, is a naturally occurring mineral compound widely used across industries due to its unique physicochemical properties. Known commonly as gypsum, it is a non-toxic, odorless white powder with a molecular weight of 172.17 g/mol. Its stability under moderate temperatures and compatibility with organic/inorganic materials make it indispensable in construction, food, pharmaceuticals, and agriculture.
2. Key Parameters and Comparative Analysis
| Parameter | Calcium Sulfate Dihydrate | Calcium Sulfate Hemihydrate | Anhydrous Calcium Sulfate |
|---|---|---|---|
| CAS Number | 10101-41-4 | 10034-76-1 | 7778-18-9 |
| Molecular Formula | CaSO₄·2H₂O | CaSO₄·0.5H₂O | CaSO₄ |
| Water Solubility (g/100mL) | 0.24 | 0.3 | 0.2 |
| Primary Applications | Construction, Food Additive, Pharmaceuticals | Dental Casts, Industrial Molds | Desiccants, High-Temperature Processes |
3. Industrial and Commercial Applications
3.1 Construction Industry
Used in drywall, plaster, and cement for fire resistance and moisture control.
3.2 Food Industry
FDA-approved as a coagulant in tofu production and a calcium fortifier in baked goods.
3.3 Pharmaceuticals
Serves as a tablet excipient and in orthopedic casts for bone fracture stabilization.
3.4 Agriculture
Improves soil structure and provides sulfur/calcium nutrients for crops.
4. Practical Use Cases
4.1 Drywall Manufacturing
A US-based manufacturer reduced production costs by 18% using high-purity dihydrate for faster setting times.
4.2 Pharmaceutical Tableting
A European pharma company enhanced drug dissolution rates by 22% through optimized dihydrate particle sizing.
5. Real Customer Success Stories
5.1 ABC Construction Materials Ltd. (Germany)
Challenge: Needed fire-resistant drywall meeting EN 520 standards.
Solution: Customized dihydrate with 99.2% purity and 150-micron particle size.
Result: Achieved 2-hour fire rating compliance and 15% faster installation.
5.2 HealthyFoods Co. (USA)
Challenge: Required FDA-compliant calcium enrichment for plant-based milk.
Solution: Ultra-fine (45-micron) food-grade dihydrate with 0.3% max heavy metals.
Result: Increased product shelf life by 30 days and boosted calcium content by 25%.
6. Contact for Technical Support and Quotations
Request tailored solutions or material safety data sheets (MSDS):
- Email: info@vivalr.com
- Phone: (86) 15866781826
Our technical team provides:
- Batch-specific certificates of analysis (CoA)
- Regulatory compliance documentation
- Custom particle size distribution (PSD) optimization
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