calcium sulfate cas 7778-18-9

Chemical Name: Calcium sulfate
CAS No.: 7778-18-9
Molecular Fomula: CaSO4
Molecular Weight: 136.14
Appearance: White Powder
Grade: Cosmetic grade, food grade, feed grade, industrial grade,pharmaceutical grade

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Calcium Sulfate (CAS 7778-18-9): Comprehensive Product Guide

Table of Contents

1. Product Overview & Specifications

Parameter Calcium Sulfate Dihydrate Calcium Sulfate Hemihydrate Anhydrous Calcium Sulfate
CAS Number 7778-18-9
Molecular Formula CaSO₄·2H₂O CaSO₄·0.5H₂O CaSO₄
Purity ≥98.5% ≥99.0% ≥99.2%
Density 2.32 g/cm³ 2.75 g/cm³ 2.96 g/cm³

2. Key Applications by Industry

Construction Materials

  • Gypsum wallboard production
  • Self-leveling floor compounds
  • Fire-resistant coatings

Food & Pharmaceutical

  • Tofu coagulant (E516)
  • Tablet excipient
  • Dough conditioner

3. Usage Scenarios & Best Practices

Optimal Dosage Guidelines

Application Recommended Concentration
Construction Plaster 60-70% by weight
Food Additive 0.3-1.5% of total mass

4. Customer Success Stories

Case Study 1: FoodTech Ingredients Co.

  • Challenge: Inconsistent tofu texture
  • Solution: Precision-grade CaSO₄ dosing system
  • Result: 40% reduction in product variation

Case Study 2: PharmaHealth Solutions

  • Challenge: Tablet disintegration issues
  • Solution: Ultra-pure anhydrous formulation
  • Result: 25% faster dissolution rates

5. Technical Support & Inquiry

Contact our material science experts:

Request custom specifications or bulk pricing:

  • Available in 25kg bags to 1-ton super sacks
  • Global shipping options
  • Technical datasheets available
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