Dicalcium Pyrophosphate
3416
March 25, 2025, 10:00 AM
Руководство
Основные моменты
Кальций пирофосфат (Ca₂P₂O₇) — стабильный, малорастворимый в воде минеральный источник кальция и фосфора с биодоступностью 50–65 %. Обладает оптимальным соотношением Ca:P ≈ 1,4:1, высокой термостойкостью, отличной сыпучестью и экологической совместимостью. Широко применяется в кормопроизводстве (65–75 % потребления) для жвачных, птицы, свиней и домашних животных; также используется в пищевой (Е450), фармацевтической и промышленной отраслях. Ключевые преимущества: улучшение костной минерализации, продуктивности, репродуктивных показателей и иммунного статуса животных, а также снижение экологической нагрузки за счёт повышения эффективности использования фосфора.
1.Product Characteristics
1.1 Basic Properties and Physicochemical Characteristics
Chemical Name: Calcium Pyrophosphate, Dicalcium Pyrophosphate
Molecular Formula: Ca₂P₂O₇
Molecular Weight : 254.1g/mol
Physical State:
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White amorphous or crystalline poweder
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Odorless and tasteless
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Commerical grades typically available as fine poweder or granules
Solubility:
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Very low solubility in water (approximately 0.0098g/100ml at 25°C )
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Increased solubility in acidic solutions, particularly in gastric acid environment
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Extremely low solubility in alkaline conditions
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Practically insoluble in organic solvents
Stability:
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Good Chemical stability, stable under normal temperature and pressure.
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Good heat resistance, melting point approximately 1230°C
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May slowly hydrolyze in prolonged moist environments.
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Reacts with strong acids to form orthophosphates
Structural Features:
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Pyrophosphate structure containing P-O-P bonds
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Tight crystal structure with density approximately 3.09 g/cm³
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Typical feed-grade products contain approximately 29-31% calcium and 20-22% phosphorus
1.2 Performance Characteristics
Moderate Bioavailablity
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Phosphorus bioavailablity ranges from 50-65%, higher than tricalcium phosphate but lower than monocalcium phosphate.
Slow-Release Properties
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Slow release in animal digestive tract, providing sustained nutrient supply.
Ideal Calcium-to-Phosphorus Ratio
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Calcium-to-phosphorus ratio of approximately 1.4:1, close to the requirement ratio of these two minerals for many animals.
Low Acidity
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Less impact on feed and animal digestive tract acid-base balance compared to monocalcium phosphate.
Good Thermal Stability
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Remains stable during feed processing, suitable for high-temperature pelleting and extrusion processes.
Excellent Flowability
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Good powder flow properties, resistant to caking, facilitating feed mixing, and processing.
Strong Stability
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Resistant to moisture absorption, long shelf life, can be stored for more than 2 years under normal conditions.
Environmental Compatibility
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Degrades in the environment to naturally occurring phosphates and calcium ions, relatively low environmental impact.
2.Main Applications
2.1 Feed Applications
2.1a Ruminant Feed
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Used as a primary phosphorus source in dairy cattle feed, typically added at 0.3-1.0%.
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Added at 0.2-0.8% in beef cattle fattening feed to promote skeletal development and weight gain.
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Used to provide phosphorus and calcium nutrition in sheep feed, typically added at 0.5-0.7%.
2.1b Poultry Feed
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Used in laying hen feed to maintain calcium-phosphorus balance during egg production, added at 0.8-1.5%.
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Added at 0.5-1.0% in broiler finisher feed to reduce leg problems.
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Added at 0.8-1.2% in breeder poultry feed to improve reproductive performance and eggshell quality.
2.1c Swine Feed
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Added at 0.5-1.0% in gestating sow feed to meet fetal development and meternal requirements.
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Added at 0.3-0.8% in growing-finishing pig feed to promote skeletal and muscle development.
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Added at 0.6-1.0% in post-weaning piglet feed to support rapid growth phase requirements.
2.1d Specialty Animal Feed
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Used as a calcium-phosphorus supplement in horse feed, added at 0.3-0.5%.
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Used for skeletal health in pet food, added at 0.2-0.5%.
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Used to provide standardized nutrition levels in laboratory animal feed.
2.2 Other Applicataions
2.2a Food Industry
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Used as food additive E450 (food grade) as a leavening agent and buffer.
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Used as a calcium fortifier in dairy products.
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Mineral source in certain specialty nutritional foods.
2.2b Pharmaceutical Industry
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Used in certain calcium supplements and mineral supplements.
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Used as a filler in dental material preparation.
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Component of specific medical ceramic materials.
2.2c Industrial Uses
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Used as an additive in certain ceramic and glass products.
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Ingredients in special coatings and pigments.
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Used as a catalyst component in some industrial catalytic processes.
3.Critical Factors
3.1 Factors Affecting Efficacy
3.1a Raw Material Quality
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Purity and heavy metal content (particularly cadmium, lead, arsenic, fluorine) directly affect safety.
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Particle size distribution affects dissolution rate and bioavailability, optimal median particle size is 75-150 microns.
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Manufacturing process affects crystal structure and dissolution characteristics.
3.1b Animal factors
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Animal species and physiological stage
Different animals have different phosphorus requirements and absorption capacities.
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Age
Young animals typically require higher proportions of soluble phosphorus.
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Health Status
Certain digestive tract diseases may reduce phosphorus absorptio
3.1c Feed Formulation Factors
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Total calcium and phosphorus levels and ratios
Too high or too low calcium-to-phosphorus ratios affect absorption.
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Vitamin D levels
Vitamin D deficiency limits phosphorus absorption and utilization.
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Other mineral interactions
High zinc, iron, or aluminum may interfere with phosphorus absorption.
3.1d Environmental Condition
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Temperature Stress
High or low temperature environments may affect animal phosphorus requirements and metabolism.
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Stocking density
Influences feed intake and growth rate.
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Water Quality
High content of certain minerals in water may affect phosphorus absorption.
3.2 Management Considerations
3.2a Precision Feeding
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Adjust addition rates according to animal growth stages, avoiding excess or deficiency.
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Regularly monitor serum phosphorus levels or bone density to assess phosphorus nutritional status.
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Consider phytate phosphorus content in feed, rationally supplement inorganic phosphorus.
3.2b Environmental Considerations
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Rational use to reduce environmental phosphorus discharge.
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Combined use with phytase can reduce addition rates and excretion.
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Manure management systems should consider phosphorus recovery and utilization.
3.2c Safe Handling
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Avoid generating excessive dust during handling, use dust extraction equipment when necessary.
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Use dust masks when handling large quantities.
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Avoid storage with incompatible substances (such as strong acides).
3.2d Quality Assurance
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Regular testing of heavy metal content and effective component content.
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Store in dry environments to avoid moisture and caking.
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Follow first-in-first-out principles for inventory management.
4.Industry Benefits
4.1 Animal Production Benefits
4.1a Skeletal Development and Health
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Improves bone mineralization in growing animals, increasing bone density by 10-15%.
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Reduces fracture incidence in laying hens by 20-30%.
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Reduces lameness and joint problems in pigs by 15-25%.
4.1b Production Performance Enhancement
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Increase daily milk yield in dairy cows by 2-5%, milk protein content by 0.1-0.2 percentage points.
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Improves daily weight gain in beef cattle by 3-8%, feed conversion ratio by 2-4%.
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Increase egg production rate in laying hens by 2-6%, eggshell strength by 8-12%.
4.1c Reproductive Performance Improvement
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Improves conception rates in female animals by 4-7 percentage points
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Increase litter size by 0.2-0.5 piglets/litter
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Enhances semen quality and fertilization capacity
4.1d Health and Immune Benefits
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Enhances mineral nutritional status, improving immune system function.
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Reduces metabolic disease (such as hypocalcemia) incidence by 10-20%
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Extends productive life and utilization years
4.2 Economic and Environmental Benefits
4.2a Economic Benefits Analysis
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Return on investment ratio of 1:2.5-1:4, varying by animal species and production system.
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Reduces skeletal disease-related losses, saving veterinary costs of $15-30 per dairy cow annually.
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Extends animal productive life, reducing replacement costs.
4.2b Resource Utilization Efficiency
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Improves phosphorus utilization efficiency in feed by 8-15%.
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Reduces overall phosphorus resource consumption, decreasing dependence on non-renewable phosphate rock resources.
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Indirectly conserves other feed resrouces by improving feed conversion ratio.
4.2c Environmental Sustainability
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Can reduce phosphorus discharge by 10-20% compared to traditional phosphorus sources.
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Further reduces environmental burden when combined with other nutritional strategies (such as phase feeding, phytase).
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Supports agricultural circular economy development, with phosphorus in manure recoverable as crop fertilizer.
5.Industry Chain Analysis
5.1 Upstream Industry
5.1a Raw Material Sources
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Phosphate rock
Global reserves concentrated in Morocco, China, United States, Russia, etc.
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Calcium Sources
Mainly from limestone, dolomite, and other minerals.
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Production processes require chemicals such as sulfuric acid or hydrochloric acid.
5.1b Production Technology
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Chemical Synthesis Method
Reaction of phosphoric acid with calcium salts (such as calcium hydroxide) under controlled pH and temperature conditions.
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Chemical Processing Method
Dehydration of orthophosphate calcium at high temperatures to form pyrophosphate.
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Precipitation Method
Controlling precipitation of calcium pyrophosphate through ion exchange reactions in solution.
5.1c Market Structure
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Global production capacity approximately 2.0-2.5 million tons/year
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Major producing countries: China, United States, Germany, Russia, India, etc.
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Major enterprises: ICL Group, PotashCrop, Mosaic, Yunnan Yuntianhua, Guizhou Phosphate, etc.
5.2 Downstream Applications
5.2a Feed Industry Demand
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Accounts for 65-75% of total calcium pyrophosphate production.
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Primarily used in ruminant and poultry feed, followed by swine feed.
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Rapidly growing demand in high-end pet food market.
5.2b Market Trends
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Price Trend
Significantly affected by raw material costs and energy prices, fluctuation range of ±20% over the past five years.
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Quality requirements
Environmental regulations driving increasingly stringent heavy metal content standards.
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Product Innovation
Continuous development of micronization, coating, and slow-release technologies to improve bioavailability.
5.2c Regional Market Characterisitcs
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North American Market
Highly focused on product quality and environmental impact, emphasizing precision nutrition.
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European Market
Strict regulations, pursuit of sustainable and organic production.
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Asia-Pacific
Fastest growing demand, high price sensitivity, diversified applications.
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Emerging Markets
Latin America and Africa have great demand growth potential, but quality standards vary widely.
5.2d Competitive Landscape
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Competitive and complementary relationship with other phosphorus source products (such as monocalcium phosphate, dicalcium phosphate).
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Biological feed phosphates and organic phosphorus sources gradually emerging, occupying specific market segments.
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Enterprise competitives strategies shifting from pure price competition to product differentiation and value-added services.
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