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Tricalcium Phosphate (TCP), registered under CAS No. 7758-87-4, is an essential inorganic calcium salt of phosphoric acid with the chemical formula Ca3(PO4)2. In industrial manufacturing, research laboratories, and food processing plants, this compound plays a pivotal role as an anticaking agent, mineral supplement, pharmaceutical excipient, and structural biocompatible substrate. Understanding the thermal properties, crystalline structure (primarily α and β phases), and processing conditions of CAS No. 7758-87-4 is key to selecting the correct grade and manufacturer.
| Property / Identifier | Value / Technical Specification |
|---|---|
| CAS Number | 7758-87-4 |
| Chemical Formula | Ca3(PO4)2 |
| Molecular Weight | 310.18 g/mol |
| Synonyms | Calcium Phosphate Tribasic, TCP, Tricalcium Orthophosphate |
| Appearance | Amorphous or crystalline white powder, odorless |
| Solubility | Practically insoluble in water and ethanol; readily soluble in dilute hydrochloric and nitric acids |
| Density | 3.14 g/cm³ |
| Melting Point | 1670 K (1397 °C / 2547 °F) |
The manufacturing of high-grade CAS No. 7758-87-4 involves the reaction of phosphoric acid with calcium hydroxide under controlled pH and temperature conditions. Modern processing incorporates advanced wet-precipitation techniques to yield particles with tight distribution sizes and highly uniform surface morphology.
For biomaterial applications, the transition between α-TCP and β-TCP phases is critical. The high-temperature α-phase is stable above 1125°C and possesses higher solubility and biodegradation rates, which makes it ideal for self-setting bone cements. In contrast, the low-temperature β-phase is more stable and serves as an excellent scaffold for long-term bone remodeling. Research is focused on phase-stabilizing additives and nanoscale crystallites to enhance cell attachment and mechanical properties.
Looking forward, green chemistry initiatives are driving manufacturers to adopt circular economy practices. This includes recovering high-purity phosphates from municipal or industrial wastewater streams and utilizing clean hydrogen-based heating in calcination kilns. These innovations significantly lower the carbon footprint of industrial-scale tricalcium phosphate production.
As E341(iii), TCP is crucial for preventing clumping and ensuring rapid dispersion in powdered mixes. It acts as an optimal calcium fortifier in breakfast cereals, sports nutrition powders, and plant-based milks, maintaining stable suspension without affecting flavor profiles.
Its excellent flowability and compressibility render CAS No. 7758-87-4 a primary choice for direct compression tableting. Its inorganic nature ensures high chemical compatibility with sensitive APIs, reducing active ingredient degradation over extended shelf lives.
In plastic formulations, tricalcium phosphate serves as a flame retardant synergist and thermal stabilizer. It acts as a suspension stabilizer in the suspension polymerization process of polystyrene and other vinyl monomers.
Industrial Insight: Modern factories in China have transitioned to intelligent, DCS-automated continuous production setups. This evolution minimizes human error, controls phase purity with high precision, and maintains competitive operational costs, establishing China as a reliable global sourcing hub.
At our cooperating manufacturing facilities, quality control starts with the raw materials. By utilizing high-purity thermal phosphoric acid instead of wet-process acid, we restrict heavy metal impurities (such as arsenic, lead, and cadmium) to levels well below food-grade thresholds. Online monitoring systems regulate temperature, pH values, and agitation rates to ensure uniform crystalline nucleation.
Automated packaging lines operating under positive-pressure, HEPA-filtered cleanrooms prevent external contamination. Our dynamic storage systems track production dates, lot numbers, and warehouse storage locations, enabling complete traceability from raw material delivery to the final customer delivery.
Yanxatech System Industries Limited (hereinafter referred to as YANXA) is one of the growing suppliers in the field of specialty materials in China. Starting from fledgling small business unit in 2008, YANXA is driven with the passion of developing broad international market in the area relating to chemical and mechanical industry. Thanks to our team’s enduring and persistent work and our business partners’ long-lasting support, YANXA has steadily and vigorously grown into one company with excellence in delivering products and services relating to specialty chemicals.
Cooperating with leading manufacturers and the renowned research institutes in the field of specialty chemicals in China, YANXA is capable of supplying:
Business Philosophy: Quality, safety and efficiency prevail all the values in our business. We care what our customers’ need on the general product as well as their unique and specific requirement for the newly developed application in a timely manner. We adhere strictly to the technical requirement and make delivery in almost perfect conformity. Chemical business exposes more safety concerns than any other industrial sectors. We undertake all activities involving chemicals in a safe way to ensure safety of human health and the environment.
Product Characteristics: Formaldehyde is a colorless liquid, easily polymerized, and readily soluble in water, alcohol, and ether. It is rapidly oxidized to formic acid in air, acting as a strong reducing agent. Its boiling point is -19℃, freezing point -118℃, and relative density to air is 1.067. Commercially, it is supplied in liquid form as formalin, a 37-50% formaldehyde solution with a small amount of methanol added as a polymerization inhibitor. The solution is milky white and has a foul odor. Formalin readily vaporizes, releasing formaldehyde gas. Its boiling point is 96℃, relative density is 0.815/-20℃, and flash point is 55℃.
Product Overview: Hexamethylenetetramine, also known as hexamine or HMTA, is a white crystalline powder produced by the condensation reaction of formaldehyde and ammonia. It is a versatile organic chemical intermediate widely used in industrial manufacturing, pharmaceutical synthesis, rubber processing, and analytical chemistry.
Product Features: A white powdery solid with a flammable odor of formaldehyde. It is a linear polymer of formaldehyde with no fixed melting point.
| Item Specifications | Specifications (Grade A) | Specifications (Grade B) |
|---|---|---|
| Appearance | White powder/solid | White powder/solid |
| Content | ≥96% | ≥92% |
| Solubility | ≤40 minutes | ≤40 minutes |
| Formic acid | ≤0.05% | ≤0.05% |
| PH | 5-7 | 5-7 |
Highly spherical metal alloy powder with excellent grain size distribution and chemical stability, primarily used in refractory coatings, fireworks, pyrotechnics, metallurgy, and advanced propellant mixtures.
Main product offering featuring high density, excellent thermal stability, and low heavy metal index. Widely ordered in bulk by global distributors for processing, manufacturing and compounding industries.
Inorganic, colorless, odorless, non-flammable gas with strong dielectric properties. Principally utilized as an electrical insulator in high-voltage circuit breakers, gas insulated switchgears, and power substations.
Managing international logistics for chemical agents requires meticulous compliance documentation and strict safety protocols. YANXA ensures all bulk shipments of CAS No. 7758-87-4 conform to regulations governing maritime and terrestrial transport of cargo. Our logistical specialists compile full documentation sets, which include:
Additionally, we provide customized support depending on the target region. In the European Union, we follow REACH requirements; in North America, we align with FDA guidelines and USP specifications. Through partnerships with top global shipping companies, we deliver options for bulk container liners, moisture-resistant big bags, and customized dry cargo logistics.
Review our full chemical listing including high-purity gases, polymer reagents, and fine powders. Contact YANXA for global supply coordination.
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