CAS · 7778-18-9
Product Overview
Calcium sulfate is a high-purity pharmaceutical-excipients supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade: | USP35 |
|---|---|
| Appearance: | White powder |
| Assay: | 98% - 101% |
| Identification: | A, B |
| Iron: | 100 ppm max |
| Heavy metals: | 10 ppm max |
| Loss on drying: | 1.5% max |
Applications
1. Construction Industry
Used extensively as gypsum and plaster of Paris for:
Wall and ceiling plasters
Drywall panels
Cement additives to control setting time
Hemihydrate form is widely used for making molds and casts in orthopedics and dentistry.
2. Agriculture
Acts as a soil conditioner to improve soil structure, reduce soil compaction, and provide calcium and sulfur nutrients.
Used to remediate acidic soils and improve water infiltration.
3. Food Industry
Used as a food additive (E516) for calcium fortification and as a firming agent in tofu production.
4. Medical and Dental Uses
Plaster of Paris made from calcium sulfate hemihydrate is used to make orthopedic casts and dental molds.
5. Industrial Applications
Used in the production of cement, ceramics, and paper.
Acts as a filler and extender in paints, plastics, and rubber industries.
Benefits
⚙️ Versatility
Multiple hydration states make calcium sulfate suitable for a wide range of applications, from construction to food and medical uses.
💪 Strength and Stability
Provides good mechanical strength in building materials and reliable performance in orthopedic casts.
🌱 Nutritional Supplement
Supplies essential calcium and sulfur for plants and humans.
🔄 Environmentally Friendly
Naturally abundant and non-toxic, with biodegradable properties in many applications.
Conclusion
Calcium sulfate (CAS 7778-18-9) is a widely used inorganic compound with broad applications across the construction, agriculture, food, and medical industries. Its various hydration forms enable versatile usage from building materials and soil amendment to orthopedic supports and food additives. Calcium sulfate's combination of availability, safety, and functional properties makes it an indispensable material in numerous industrial and commercial sectors.
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