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Trizinc diphosphate is an inorganic chemical compound with the formula Zn₃(PO₄)₂, widely recognized for its superior corrosion resistance and commonly used as a protective coating on metal surfaces, especially in automotive, construction, aerospace, and marine industries.
In dentistry, Trizinc diphosphate hydrate is used as a luting agent for permanent metal restorations and as a base material for dental cements due to its mechanical strength and biocompatibility.
Trizinc diphosphate coatings form a dense, adherent, and insoluble crystalline layer that acts as a physical and electrochemical barrier, significantly enhancing corrosion resistance and improving paint adhesion.
CAS Number: 7779-90-0
EC Number: 231-944-3
Chemical Formula: Zn3(PO4)2
Molar Mass: 386.11 g/mol
Synonyms: Phosphoric acid, zinc salt (2:3), trizinc bis(orhthophosphate), Trizinc bis(ortho)phosphate, trizinc bis(orthophosphate, TRIZINC BIS(ORTHOPHOSPHATE), Trizinc bis(orthophosphate), trizinc bis(orthophosphate), Trizinc bis(orthophosphate), trizinc bis(orthophosphate), Trizinc Diphosphate, Trizinc diphosphate, trizinc diphosphate, trizinc(2+) diphosphate, trizinc(2+) ion diphosphate, Zinc ortho-Phosphate, zinc phopsphate, Zinc phosphate, zinc phosphate, Zinc Phosphate, Zinc phosphate, zinc phosphate, 7779-90-0 [RN], Phosphate de zinc (2:3) [French] [ACD/IUPAC Name], Zinc phosphate, Zinc phosphate (3:2) [ACD/IUPAC Name], Zinkphosphat (3:2) [German] [ACD/IUPAC Name], PHOSPHORIC ACID ZINC SALT, ZINC PHOSPHATE TRIBASIC, ZINC PHOSPHATE (ORTHO), ZINC PHOSPHATE, ZINC ORTHOPHOSPHATE, bonderite40, neutralzincphosphate, phosphinoxpz06, Phosphoricacid,zincsalt(2:3), pigmentwhite32, sicorznp/m, sicorznp/s, tribasiczincphosphate, trizincdiphosphate, virchem931, weathercoat1000, zincacidphosphate, zincphosphate(3:2), zincphosphatecement, zpf, zp-sb, trizinc bis(orthophosphate), Zubc ogisogate tetagtdrate, Zincphosphate(ortho),Puratronic?,99.995%(metalsbasis), ZINC PHOSPHATE 4 H2O, ZINC PHOSPHATE, 99.999%, ZINC PHOSPHATE, 1GM, NEAT, zinc phosphate (ortho), puratronic, Zinc phosphate hydrate, tech., Zinc phosphate (ortho), Puratronic(R), 99.995% (metals basis), znic phosphate, Zinc Phosphate (Ortho), Puratronic (Metals Basis), Zinc phosphate dihydrate, Zinc phosphate hydrate, technical, Zinc phosphate tribasic tetrahydrate, Zinc phosphate 99.998% trace metals basis, Zinc phosphate(Technical)
Trizinc diphosphate is used in dentistry.
Trizinc diphosphate is commonly used for luting permanent metal restorations and as a base for dental restorations.
Trizinc diphosphate is also used for cementation of inlays, crowns, bridges, and orthodontic appliances and occasionally as a temporary restoration.
Trizinc diphosphate is an inorganic chemical compound with the formula Zn₃(PO₄)₂.
Trizinc diphosphate typically appears as a white, crystalline powder and is widely known for its excellent corrosion resistance properties.
Trizinc diphosphate is insoluble in water but can dissolve in strong acids.
Trizinc diphosphate forms a protective, adherent coating on metal surfaces, which makes it an essential component in industrial primers and anti-corrosion treatments, particularly for iron and steel.
In addition to its use in metal coatings, Trizinc diphosphate is also employed in dental cements, pigments, and as an additive in paints to improve durability.
Trizinc diphosphate's protective action is based on the formation of a dense, insoluble layer that acts as a physical barrier against moisture and aggressive chemical agents.
Trizinc diphosphate coatings are often used as a pre-treatment step before painting or powder coating to enhance adhesion and extend the life of the final finish.
Trizinc diphosphate is an inorganic compound with the chemical formula Zn₃(PO₄)₂, commonly encountered as a white crystalline solid that is insoluble in water but can dissolve in strong acids.
Trizinc diphosphate is widely recognized for its superior anti-corrosion properties and plays a crucial role in surface treatment processes across various industries.
Trizinc diphosphate coatings are typically applied to ferrous metals, such as iron and steel, to create a chemically bonded, dense, and adherent layer that significantly enhances corrosion resistance by serving as a protective physical barrier against environmental factors like moisture, oxygen, and industrial chemicals.
This layer also provides an excellent base for subsequent coatings, such as paints and powders, improving their adhesion and durability.
Beyond its application in metal treatment, Trizinc diphosphate is used in the formulation of anti-corrosive paints, pigments, and as a dental cement in restorative dentistry due to its biocompatibility and mechanical stability.
Trizinc diphosphate has largely replaced older, more toxic coatings like lead-based primers, due to its relatively safer environmental profile.
Trizinc diphosphate coatings are often applied through a chemical conversion process involving phosphating baths, where a metal surface is immersed in a solution containing zinc ions and phosphate ions under controlled conditions.
This results in the precipitation of a microcrystalline Trizinc diphosphate layer tightly bound to the metal substrate.
The protective effect of Trizinc diphosphate is both physical and electrochemical, providing sacrificial protection and minimizing the electrochemical activity of the metal surface.
Because of these features, Trizinc diphosphate is extensively used in automotive, construction, aerospace, military, and marine industries where long-term metal protection is critical.
Overall, Trizinc diphosphate remains a cornerstone material in corrosion prevention technologies due to its effectiveness, versatility, and relatively low environmental impact compared to older systems.
Trizinc diphosphate is an inorganic compound with the formula Zn3(PO4)2)(H2O)4. This white powder is widely used as a corrosion resistant coating on metal surfaces either as part of an electroplating process or applied as a primer pigment (see also red lead).
Trizinc diphosphate has largely displaced toxic materials based on lead or chromium, and by 2006 it had become the most commonly used corrosion inhibitor.
Trizinc diphosphate coats better on a crystalline structure than bare metal, so a seeding agent is often used as a pre-treatment. One common agent is sodium pyrophosphate.
Trizinc diphosphate is the type of phosphating which is suitable for metal parts which are required to provide high corrosion resistance.
Trizinc diphosphate is the crystallized conversion coating.
Trizinc diphosphate can be applied as fine grained and coarse grained and is the type of coating commonly used for equipment used in bad outdoor conditions before powder coating and electro-coating.
Trizinc diphosphates are applied on steel surfaces using solutions of Trizinc diphosphate, phosphoric acid and activators.
These proprietary chemical solutions deposit a crystalline coating of Trizinc diphosphate during the application process.
During the initial steps in the process, the metal is cleaned to remove oily soils.
They can be applied cold or hot.
Although viable, the cold processes are not widely used.
Trizinc diphosphate conversion coatings are widely used for increasing corrosion resistance and surface preparation for painting.
This kind of treatment has recently been introduced in the field of reinforced concrete.
However, the disadvantage in the use of such coatings is the existence of pores.
Zinc phosphating baths have constantly been developed and modified by additives in order to enhance the coating characteristics including the corrosion resistance and the alkaline stability.
Trizinc diphosphate cement the one of the oldest and widely used cements, and is commonly used for luting permanent metal restorations and as a base.
Trizinc diphosphate is a high-strength cement base, mixed from zinc oxide powder and phosphoric acid liquid.
Due to Trizinc diphosphate's low initial pH, Trizinc diphosphate may cause pulpal irritation, especially where only a thin layer of dentin exists between the cement and the pulp; thus is especially important to follow the correct procedures and precautions when using Trizinc diphosphate cement.
Trizinc diphosphate coating is commonly used for corrosion protection of metallic materials, mainly mild steel.
Trizinc diphosphate coating elevates the natural crystalline aesthetics of hot dipped galvanized steel for decorative use.
Trizinc diphosphate is favoured for its natural, luxurious and stately ambiance and for the gray tones that settle over time.
Trizinc diphosphate is a phosphate of zinc.
Trizinc diphosphate is found naturally as the minerals hopeite, parahopeite, and tarbuttite.
Trizinc diphosphate is used as a dental cement and corrosion resistant coating.
Zinc is a metallic element with the atomic number 30.
Trizinc diphosphate is found in nature most often as the mineral sphalerite.
Though excess zinc in harmful, in smaller amounts Trizinc diphosphate is an essential element for life, as it is a cofactor for over 300 enzymes and is found in just as many transcription factors.
Trizinc diphosphate (Zn3(PO4)2) is an inorganic chemical compound used as a corrosion resistant coating on metal surfaces either as part of an electroplating process or applied as a primer pigment.
Trizinc diphosphate coats better on a crystalline structure than bare metal, so a seeding agent is often used as a pre-treatment.
One common agent is sodium pyrophosphate.
Minerals of Trizinc Diphosphate:
Natural forms of Trizinc diphosphate include minerals hopeite and parahopeite.
A somewhat similar mineral is natural hydrous Trizinc diphosphate called tarbuttite, Zn2(PO4)(OH).
Both are known from oxidation zones of Zn ore beds and were formed through oxidation of sphalerite by the presence of phosphate-rich solutions.
The anhydrous form has not yet been found naturally.
Market Overview of Trizinc Diphosphate:
The global Trizinc diphosphate market has experienced steady growth over recent years, primarily driven by increasing demand for high-performance corrosion-resistant coatings in sectors such as automotive, construction, shipbuilding, and aerospace.
Trizinc diphosphate is widely recognized as an environmentally safer alternative to older toxic anticorrosion treatments like chromates and lead-based compounds, making it an attractive material in markets focused on regulatory compliance and sustainability.
The market size is expected to continue expanding, fueled by growth in infrastructure development, particularly in emerging economies, and the increasing emphasis on extending the service life of metal structures through advanced surface treatments.
Automotive manufacturing remains one of the largest consumers of Trizinc diphosphate coatings, where it is used extensively for pre-paint treatments to enhance adhesion and prevent rust.
The construction industry also contributes significantly, utilizing Trizinc diphosphate-based primers in structural steelworks to ensure long-term durability.
Additionally, the healthcare sector represents a niche but growing area of application, particularly through Trizinc diphosphate's use in dental cements.
Regionally, Asia-Pacific dominates the Trizinc diphosphate market due to rapid industrialization, urban development, and the presence of major automotive and construction industries, with China and India leading consumption.
North America and Europe follow, supported by stringent environmental regulations promoting the use of safer corrosion protection solutions.
Key trends influencing the market include innovation in environmentally friendly phosphating technologies, the rising adoption of powder coatings incorporating Trizinc diphosphate, and growing investments in research and development to improve coating performance under harsh environmental conditions.
Despite Trizinc diphosphate's positive outlook, market expansion can be challenged by fluctuating raw material prices and the availability of alternative corrosion protection technologies.
However, overall, the Trizinc diphosphate market is positioned for sustained growth in the coming years, aligned with global trends toward durability, environmental safety, and infrastructure modernization.
Uses of Trizinc Diphosphate:
Trizinc diphosphate is primarily used as a corrosion-resistant coating material for metal surfaces, especially in industrial sectors where long-term protection against rust and environmental degradation is critical.
Trizinc diphosphate is most commonly applied as a conversion coating on iron and steel, forming a stable, adherent, and insoluble layer that enhances the corrosion resistance of the underlying metal.
In the automotive industry, Trizinc diphosphate is used extensively as a pretreatment for car bodies and parts before painting, improving both paint adhesion and the overall durability of the finish.
In the construction industry, Trizinc diphosphate is incorporated into primers and protective coatings applied to steel structures, bridges, pipelines, and heavy equipment to prevent oxidative damage and extend the service life of these assets.
Trizinc diphosphate is also used in the shipbuilding and aerospace industries, where exposure to harsh, corrosive environments demands highly effective protective coatings.
In addition to its industrial applications, Trizinc diphosphate finds use in the healthcare sector, particularly in dentistry, where it serves as a component of dental cements due to its biocompatibility and mechanical strength.
Furthermore, Trizinc diphosphate pigments are utilized in the production of corrosion-resistant paints, including formulations for marine, military, and heavy machinery coatings.
Emerging applications also include its use in powder coating technologies, where Trizinc diphosphate provides a protective layer that enhances both the mechanical and anti-corrosion properties of finished surfaces.
Overall, the versatility, effectiveness, and environmental friendliness of Trizinc diphosphate make it an indispensable material across a wide range of industries.
Dentistry:
Trizinc diphosphate dental cement is one of the oldest and widely used dental cements.
Trizinc diphosphate is commonly used for luting permanent metal and zirconium dioxide restorations and as a base for dental restorations.
Trizinc diphosphate cement is used for cementation of inlays, crowns, bridges, and orthodontic appliances and occasionally as a temporary restoration.
Trizinc diphosphate is prepared by mixing zinc oxide and magnesium oxide powders with a liquid consisting principally of phosphoric acid, water, and buffers.
Trizinc diphosphate is the standard cement to measure against.
Trizinc diphosphate has the longest track record of use in dentistry.
Trizinc diphosphate is still commonly used; however, resin-modified glass ionomer cements are more convenient and stronger when used in a dental setting.
Trizinc diphosphate coating is a crystallized conversion coating formed on the metal surface.
The phosphate coating process is based on the chemical reaction between the metal and the weak acidic phosphate fluid to form insoluble phosphate crystals on the surface of the part.
Phosphate coating is used as a pretreatment before painting, to increase corrosion resistance and to provide a better adhesion surface for coating systems.
When used alone or with oil, the phosphate reduces the friction characteristics of the moving components or threaded parts.
Although phosphate is generally referred to as a coating, since phosphate alone has a low rust resistance, it must be used in combination with oil or top lacquer applications in order to be used as a protection against corrosion.
Trizinc diphosphate can be applied to Ferrous metals, but it has no effect on Stainless Steel.
Industry Uses:
Corrosion inhibitors and anti-scaling agents
Dyes
Paint additives and coating additives not described by other categories
Pigments
Plating agents and surface treating agents
Processing aids, not otherwise listed
Surface active agents
Consumer Uses:
Agricultural products (non-pesticidal)
Industrial chemicals
Metal products not covered elsewhere
Paints and coatings
Plastic and rubber products not covered elsewhere
Water treatment products
used in products which are used as cleaners in plating processes, examples of final uses are automotive and machinery.
Applications of Trizinc Diphosphate:
Pre-treatment:
Product surface cleaning is provided in pretreatment.
Activation:
Before the coating process, Trizinc diphosphate surface is activated and the products are prepared for coating.
Coating:
When Trizinc diphosphates are immersed in the bath, the metal surface is coated with phosphate.
Lubrication:
Protective oil applications can be performed in order to improve the corrosion resistance performance of the products
Trizinc diphosphate cements or polycarboxylate cements are still used for cementation of posts and crowns.
They are generally supplied as a powder and a liquid and their physical properties are highly influenced by the mixing ratio of the components.
Trizinc diphosphate conversion coating gives a high level of corrosion resistance and provides a perfect foundation for subsequent coating or painting.
Trizinc diphosphate conversion coatings can be used on a wide range of metallic surfaces including galvanized steel, electrogalvanized steel, zinc-alloy-coated steel aluminium, zinc, cadmium, silver and tin.
Trizinc diphosphate coating products with accelerator system used for wire and tube drawing.
Trizinc diphosphate is suitable for immersion and continuous (in-line) use.
Allows high speed drawing of carbon steel wires.
Coating weight is in the range of 6-10 g/m2.
Trizinc diphosphate provides phosphate coating which is necessary in demanding cold forming works in the production of bolts, nuts, screws and similar fasteners.
Iron concentration of the phosphating solution is monitored and controlled by air mixing system.
Advantages of Trizinc Diphosphate:
Trizinc diphosphate offers several significant advantages that make it a preferred material for corrosion protection and surface treatment applications.
One of its primary benefits is its excellent corrosion resistance; Trizinc diphosphate forms a dense, insoluble coating that protects metal surfaces from oxidation and environmental degradation, thereby significantly extending the service life of components and structures.
Compared to traditional chromate and lead-based coatings, Trizinc diphosphate is considered environmentally safer and less toxic, aligning with increasingly strict global environmental and health regulations.
Another important advantage is Trizinc diphosphate's ability to enhance paint adhesion.
When used as a conversion coating, Trizinc diphosphate creates a microscopically rough surface that improves the mechanical bonding of subsequent paint layers, resulting in stronger and more durable coatings.
Trizinc diphosphate coatings are also highly versatile, applicable across various industries including automotive, construction, aerospace, marine, and heavy machinery sectors.
They perform reliably under a wide range of conditions, from humid coastal environments to industrial atmospheres with high chemical exposure.
Furthermore, Trizinc diphosphate exhibits good thermal stability, maintaining its protective properties even under elevated temperatures.
Trizinc diphosphate is also relatively easy to apply using standardized phosphating processes, making it a cost-effective solution for mass production.
Additionally, due to its chemical stability, Trizinc diphosphate coatings provide a long-term passive protection that requires minimal maintenance compared to other protective treatments.
These advantages collectively make Trizinc diphosphate a critical material for modern corrosion prevention and surface preparation technologies.
Production of Trizinc Diphosphate:
Trizinc diphosphate is typically produced through a controlled chemical reaction between zinc compounds and phosphoric acid.
The most common industrial method involves reacting zinc oxide, zinc metal, or zinc salts such as zinc nitrate or zinc chloride with phosphoric acid under specific conditions.
In a typical process, zinc oxide is dispersed in water to form a slurry, and phosphoric acid is gradually added while maintaining a controlled temperature and stirring to ensure complete reaction.
The reaction yields Trizinc diphosphate precipitate, which is then separated, washed to remove impurities, and dried to obtain the final product in powder form.
The general chemical reaction can be represented as:
2ZNO+2H3PO4→Zn3(PO4)2+3H2O
Alternatively, other zinc salts (like zinc chloride or zinc nitrate) can be reacted with sodium phosphate or other phosphate sources to produce Trizinc diphosphate through a double displacement reaction.
The purity and particle size of the resulting Trizinc diphosphate can be controlled by adjusting reaction parameters such as pH, temperature, and reagent concentrations, which are critical for determining the material’s performance characteristics in coatings and paints.
Modern production methods emphasize achieving fine, uniform crystal structures to enhance the corrosion protection ability and improve dispersion in paints.
In industrial-scale production, after filtration and drying, Trizinc diphosphate is often micronized or processed into specific grades tailored for applications like industrial coatings, powder coatings, and dental cements.
Environmental considerations, such as minimizing acid waste and optimizing water usage, are increasingly integrated into production processes to comply with global sustainability standards.
General Manufacturing Information of Trizinc Diphosphate:
Industry Processing Sectors:
All other basic inorganic chemical manufacturing
All other chemical product and preparation manufacturing
Fabricated metal product manufacturing
Miscellaneous manufacturing
Paint and coating manufacturing
Plastic material and resin manufacturing
Plastics product manufacturing
Printing and related support activities
Services
Synthetic dye and pigment manufacturing
Transportation equipment manufacturing
Utilities
Wholesale and retail trade
Synthesis of Trizinc Diphosphate:
The synthesis of Trizinc diphosphate generally involves a precipitation reaction between a soluble zinc source and a phosphate source under controlled aqueous conditions.
The most common laboratory and industrial method utilizes zinc oxide (ZnO) or zinc salts such as zinc nitrate (Zn(NO₃)₂) or zinc chloride (ZnCl₂), which are reacted with phosphoric acid (H₃PO₄) or soluble phosphates like disodium hydrogen phosphate (Na₂HPO₄).
In a typical process, zinc oxide is dispersed in deionized water to form a suspension, and phosphoric acid is slowly added with continuous stirring while maintaining a moderately elevated temperature (around 60–90°C).
The reaction leads to the formation of Trizinc diphosphate as a white, insoluble precipitate, according to the reaction:
2ZNO+2H3PO4→Zn3(PO4)2↓+3H2O
Alternatively, zinc nitrate reacts with disodium phosphate in solution as follows:
2Zn(NO3)2+2Na2HPO4→Zn3(PO4)2↓+4NaNO3+2HNO3
During the synthesis, parameters such as pH, temperature, and reactant concentration are carefully controlled to achieve the desired crystal size, morphology, and purity, which are crucial for its performance as a corrosion-resistant coating or pigment.
After complete precipitation, the Trizinc diphosphate is filtered, thoroughly washed to remove soluble byproducts, and dried at controlled temperatures to avoid decomposition or changes in particle structure.
In industrial production, continuous flow reactors or batch reactors are employed to synthesize Trizinc diphosphate efficiently and consistently on a large scale.
Advances in synthesis methods also focus on producing nano-sized Trizinc diphosphate particles for improved dispersion in modern high-performance coatings.
Occurrence of Trizinc Diphosphate:
Trizinc diphosphate does not occur naturally as a pure mineral in significant amounts; rather, it is predominantly a synthetic compound produced for industrial and commercial purposes.
However, certain naturally occurring minerals are related to Trizinc diphosphate chemistry.
For instance, hopeite (Zn₃(PO₄)₂·4H₂O) and parahopeite are rare hydrated Trizinc diphosphate minerals found in the oxidation zones of zinc ore deposits.
These minerals typically form as secondary minerals through the weathering and alteration of primary zinc-bearing minerals such as sphalerite (ZnS) in the presence of phosphate-rich waters.
They are usually discovered in regions where phosphate deposits intersect with zinc mineralization, often in mining environments.
Despite these natural occurrences, the quantities are extremely limited, and they are of interest mainly to mineralogists and collectors rather than industrial applications.
In practical terms, almost all Trizinc diphosphate used commercially is synthesized through controlled chemical processes rather than mined from natural sources.
History of Trizinc Diphosphate:
The development and use of Trizinc diphosphate are closely tied to advancements in corrosion protection technologies during the late 19th and early 20th centuries.
Before the introduction of Trizinc diphosphate, lead-based and chromate-based coatings were the primary means of preventing metal corrosion, but these materials posed significant health and environmental risks.
As industrialization expanded, the demand for safer and more effective corrosion inhibitors led to the investigation of phosphate-based treatments.
Trizinc diphosphate emerged as a superior alternative, offering excellent adhesion and corrosion resistance without the toxicity concerns associated with earlier methods.
Trizinc diphosphate's formal industrial application began in the early 20th century when phosphating processes were developed, especially for automotive and military equipment.
Early phosphating formulations used simple iron phosphate, but the addition of zinc ions to phosphating baths significantly improved the quality and performance of protective coatings.
Trizinc diphosphate coatings quickly gained popularity due to their ability to create a stable, uniform, and highly adherent layer on ferrous metals, providing an ideal base for painting and further protection.
During and after World War II, Trizinc diphosphate technology saw widespread adoption in the automotive, aerospace, and construction industries, driven by the need for durable and reliable surface treatments.
Over the decades, continuous research improved the chemical formulations and application processes, leading to the modern high-performance Trizinc diphosphate coatings used today.
The history of Trizinc diphosphate reflects broader trends in material science: a move toward safer, more effective, and more environmentally sustainable solutions for industrial needs.
Handling and Storage of Trizinc Diphosphate:
Trizinc diphosphate should be handled in well-ventilated areas, away from incompatible substances such as strong acids.
During handling, minimize the generation of dust and avoid inhalation, ingestion, or contact with skin and eyes.
Personal protective equipment (PPE) should always be used when working with Trizinc diphosphate.
For storage, Trizinc diphosphate should be kept in tightly closed containers, in a cool, dry, and well-ventilated environment, protected from moisture and sources of strong oxidizers.
Containers must be properly labeled, and materials should be stored away from food and drinking water supplies.
Reactivity and Stability of Trizinc Diphosphate:
Trizinc diphosphate is chemically stable under normal storage and handling conditions.
Trizinc diphosphate does not polymerize or undergo hazardous decomposition at standard temperatures.
However, Trizinc diphosphate can react with strong acids to release toxic and irritating gases such as phosphoric acid fumes or zinc salts.
Excessive heating may cause decomposition, producing metal oxides and phosphorus oxides.
Trizinc diphosphate should be kept away from strong acids, bases, and oxidizing agents to prevent unwanted reactions.
First Aid Measures of Trizinc Diphosphate:
Inhalation:
Move the person to fresh air.
If breathing is difficult, give oxygen.
Seek medical attention if symptoms persist.
Skin Contact:
Remove contaminated clothing immediately.
Wash affected area thoroughly with soap and water.
If irritation or redness persists, seek medical advice.
Eye Contact:
Rinse eyes immediately with plenty of water for at least 15 minutes, lifting the eyelids occasionally.
Seek medical attention promptly.
Ingestion:
Rinse mouth with water.
Do not induce vomiting unless directed by medical personnel.
Seek medical attention immediately.
Firefighting Measures of Trizinc Diphosphate:
Trizinc diphosphate itself is not combustible; however, in case of fire involving surrounding materials:
Use appropriate extinguishing media such as dry chemical powder, carbon dioxide (CO₂), foam, or water spray.
Firefighters should wear full protective clothing and a self-contained breathing apparatus (SCBA).
Avoid inhaling decomposition fumes such as metal oxides and phosphorus oxides released at high temperatures.
Accidental Release Measures of Trizinc Diphosphate:
In case of an accidental spill:
Evacuate the area and ensure adequate ventilation.
Wear appropriate personal protective equipment to avoid dust inhalation and direct contact.
Carefully sweep or vacuum the spilled material without generating dust, and collect Trizinc diphosphate into a properly labeled container for disposal according to local regulations.
Avoid allowing the material to enter drains, sewers, or natural waterways.
Clean the affected area thoroughly with water after material pickup.
Exposure Controls / Personal Protective Equipment of Trizinc Diphosphate:
Engineering Controls:
Use local exhaust ventilation to control airborne dust levels and maintain workplace exposure limits.
Personal Protective Equipment (PPE):
Respiratory Protection:
Use an approved particulate respirator if dust generation is possible.
Skin Protection:
Wear chemical-resistant gloves and protective clothing to prevent skin contact.
Eye Protection:
Use safety goggles or a full-face shield where dust or splashing is possible.
Hygiene Measures:
Always wash hands, forearms, and face thoroughly after handling Trizinc diphosphate.
Do not eat, drink, or smoke while handling the material.
Remove contaminated clothing and wash before reuse.
Identifiers of Trizinc Diphosphate:
CAS Number: 7779-90-0
ChemSpider: 22927
ECHA InfoCard: 100.029.040
PubChem CID: 24519
RTECS number: TD0590000
UNII: 1E2MCT2M62
CompTox Dashboard (EPA): DTXSID3064807
InChI: InChI=1S/2H3O4P.3Zn/c2*1-5(2,3)4;;;/h2*(H3,1,2,3,4);;;/q;;3*+2/p-6
Key: LRXTYHSAJDENHV-UHFFFAOYSA-H
InChI=1/2H3O4P.3Zn/c2*1-5(2,3)4;;;/h2*(H3,1,2,3,4);;;/q;;3*+2/p-6
Key: LRXTYHSAJDENHV-CYFPFDDLAR
SMILES: [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])(=O)[O-].[O-]P([O-])([O-])=O
Linear Formula: Zn3(PO4)2
Pubchem CID: 24519
MDL Number: MFCD00036282
EC No.: 231-944-3
IUPAC Name: trizinc; diphosphate
Beilstein/Reaxys No.: N/A
SMILES: [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])(=O)[O-].[O-]P([O-])([O-])=O
InchI Identifier: InChI=1S/2H3O4P.3Zn/c2*1-5(2,3)4;;;/h2*(H3,1,2,3,4);;;/q;;3*+2/p-6
InchI Key: LRXTYHSAJDENHV-UHFFFAOYSA-H
Chemical Formula: Zn₃(PO₄)₂
CAS Number: 7779-90-0
EC Number: 231-944-3
Molar Mass: 386.11 g/mol
PubChem CID: 24501
InChI Key: CZMRCDWAGMRECN-UHFFFAOYSA-L
SMILES Notation: [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])=O.[O-]P([O-])=O
Chemical Formula: Zn₃(PO₄)₂
Empirical Formula: Zn₃P₂O₈
Molar Mass: 386.11 g/mol
CAS Number: 7779-90-0
EC Number: 231-944-3
PubChem CID: 24501
InChI: InChI=1S/2H3O4P.3Zn/c2*1-5(2,3)4;;;/h2*(H3,1,2,3,4);;;
InChI Key: CZMRCDWAGMRECN-UHFFFAOYSA-L
SMILES: [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])=O.[O-]P([O-])=O
MDL Number: MFCD00011103
EINECS Number: 231-944-3
RTECS Number: ZG8700000
HS Code: 2835.39 (Phosphates of other metals)
Properties of Trizinc Diphosphate:
Molecular Weight: 386.1 g/mol
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 8
Rotatable Bond Count: 0
Exact Mass: 383.69116 Da
Monoisotopic Mass: 381.69427 Da
Topological Polar Surface Area: 173 Ų
Heavy Atom Count: 13
Complexity: 36.8
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 5
Compound Is Canonicalized: Yes
Chemical formula: H4O12P2Zn3
Molar mass: 454.11 g·mol−1
Appearance: white solid
Density: 3.998 g/cm3
Melting point: 900 °C (1,650 °F; 1,170 K)
Solubility in water: insoluble
Magnetic susceptibility (χ): −141.0·10−6
cm3/mol
Refractive index (nD): 1.595
Specifications of Trizinc Diphosphate:
Assay (unspecified)
>=40% Zn
Structure of Trizinc Diphosphate:
Crystal structure: monoclinic
Thermochemistry of Trizinc Diphosphate:
Std enthalpy of formation (ΔfH⦵298): −2891.2 ± 3.3
Names of Trizinc Diphosphate:
IUPAC name:
Zinc phosphate
MeSH Entry Terms of Trizinc Diphosphate:
Cement, Zinc Phosphate
Zinc Phosphate Cement
