Tricalcium Phosphate (TCP)

Key Specifications and Properties

• Molecular Formula: Ca₃(PO₄)₂

• Molecular Weight: 310.18 g/mol

• Appearance: Fine white amorphous or crystalline powder

• Purity: ≥98.0% (food/pharma grade); ≥97.0% (industrial grade)

• Solubility: Insoluble in water (<0.002 g/100 mL at 25°C); soluble in dilute acids like HCl and HNO₃

• Density: 3.14 g/cm³

• pH (10% aqueous slurry): 7.0–9.0

• Loss on Ignition: ≤10.0% (at 800°C)

• Heavy Metals: ≤10 ppm (as Pb)

• Storage: Cool, dry, well-ventilated area; protect from moisture to prevent caking

These attributes position tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 as a reliable, non-toxic ingredient that enhances nutritional value without altering taste or texture.

Applications Across Industries

Tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 excels in multifunctional roles, leveraging its biocompatibility and mineral content:

• Food and Beverages: Functions as a calcium fortifier in dairy alternatives, cereals, and baked goods; acts as an anticaking agent in powdered mixes and a dough conditioner in yeast-raised products, approved as GRAS (E341(iii)).

  
  

• Pharmaceuticals: Utilized as a tablet binder, filler, and polishing agent in chewable vitamins and antacids; supports bone health supplements due to its slow-release calcium profile.

  
  

• Animal Feed: Provides essential calcium (38–40%) and phosphorus (18–20%) for livestock and poultry nutrition, improving bone density and eggshell quality.

  
  

• Dentistry and Personal Care: Incorporated into toothpaste as a mild abrasive and remineralizing agent; used in oral rinses for plaque control and enamel strengthening.

  
  

• Industrial and Ceramics: Serves as a flux in pottery, enamels, and milk glass production; applied in fertilizers for phosphorus delivery and in polishing powders for metal surfaces.

  
  

Opting for bio-based or synthetic TCP reduces dependency on mined phosphates, promoting sustainable sourcing while maintaining consistent performance.

Benefits of Choosing Tricalcium Phosphate CAS No. 7758-87-4 / 12167-74-7

• Nutritional Superiority: High bioavailability (up to 30% calcium absorption) compared to other calcium salts, aiding in osteoporosis prevention and dietary supplementation.

  
  

• Versatility and Stability: Neutral taste and pH compatibility enable seamless integration into acidic or neutral formulations without precipitation issues.

  
  

• Safety and Regulatory Compliance: Low toxicity (LD50 >2,000 mg/kg oral in rats); free from allergens and suitable for vegan diets.

  
  

• Cost-Effectiveness: Bulk availability in various particle sizes (micronized to granular) supports scalable manufacturing with minimal processing needs.

  
  

Tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 empowers formulators to meet consumer demands for fortified, clean-label products with enhanced shelf life and functionality.

Frequently Asked Questions (FAQs)

What is tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 used for in food products?

Tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 is commonly added to foods as a source of dietary calcium and phosphorus, preventing nutrient deficiencies, and as an anticaking agent in powdered spices or supplements to ensure free-flowing consistency.

Is tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 suitable for pharmaceutical tablets?

Yes, it acts as an inert diluent and binder in compressed tablets, providing structural integrity and controlled disintegration; its insolubility in water makes it ideal for sustained-release formulations.

What are the solubility characteristics of tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7?

It exhibits very low solubility in water but readily dissolves in acidic environments, such as gastric juices, facilitating gradual mineral release for better absorption in digestive systems.

Does tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 meet vegan and kosher standards?

Absolutely; derived synthetically or from mineral sources, it contains no animal products, earning certifications for vegan, kosher, and halal compliance in food and supplement grades.

How does tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 compare to dicalcium phosphate?

Tricalcium phosphate has a higher Ca:P ratio (1.5:1 vs. 2:1), offering more calcium per unit weight and better flowability, making it preferable for fortification over dicalcium phosphate in high-calcium applications.

Can tricalcium phosphate CAS No. 7758-87-4 / 12167-74-7 be used in animal feed?

Yes, it is a staple in premixes for monogastric animals like pigs and chickens, supplying bioavailable minerals to support growth, reproduction, and skeletal health without digestive upset.

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