Dipotassium Hydrogen Phosphate K2HPO4
| HS Code | 699838 |
| Chemical Formula | K2HPO4 |
| Molar Mass | 174.18 g/mol |
| Appearance | White, granular or crystalline powder |
| Odor | Odorless |
| Solubility In Water | Soluble |
| Ph Of Aqueous Solution | Around 8.9 - 9.2 (1% solution) |
| Density | 2.44 g/cm³ |
| Melting Point | 340 °C (decomposes) |
| Hygroscopicity | Hygroscopic |
As an accredited Dipotassium Hydrogen Phosphate K2HPO4 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dipotassium Hydrogen Phosphate K2HPO4, package in paper bags or plastic bags, cover with moisture-proof layer, tie firmly, each bag contains the usual amount. |
| Storage | Store Dipotassium Hydrogen Phosphate K2HPO4 in a dry place, away from moisture and acid and alkali, stack neatly for easy inspection. |
| Shipping | Transship Dipotassium Hydrogen Phosphate K2HPO4, need to protect from rain and snow, handle gently, do not let the packaging break, separate from other things, avoid confusion. |
Competitive Dipotassium Hydrogen Phosphate K2HPO4 prices that fit your budget—flexible terms and customized quotes for every order.
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Historical Development
The development of Dipotassium Hydrogen Phosphate K2HPO4 began with people's exploration of phosphorus compounds. In the past, chemists gradually mastered its preparation and properties when studying various types of phosphates. With the advancement of chemical technology, from the early simple preparation methods to the current mature technology and stable output, Dipotassium Hydrogen Phosphate K2HPO4 has been increasingly widely used in many fields and has become an important chemical product.
Product Overview
Dipotassium Hydrogen Phosphate K2HPO4 is a white crystalline powder or granular, odorless, and slightly salty. It has important uses in industry, agriculture, food, and medicine. It can be used as a buffer, nutritional supplement, etc. It is a multifunctional compound.
Physical & Chemical Properties
Trisodium Phosphate Industrial Grade TSP melts at 158℃ and likes to absorb moisture. If exposed to air for a long time, it will deliquesce. It is active in nature. When it encounters acid, it will turn into salt and phosphoric acid. It can also complex with various metal ions, just like a matchmaker, to form a different physical state.
Technical Specifications & Labeling
Technical Specifications has strict regulations on the content, impurities and other indicators of Dipotassium Hydrogen Phosphate K2HPO4. For example, the main content (measured in K2HPO4) must meet certain standards, and the content of impurities such as chlorides and heavy metals must be controlled at an extremely low range. When labeling, the surface of the package should be clearly marked with the product name, specifications, manufacturer, production date, shelf life, implementation standards, and warning signs such as "moisture-proof" and "keep away from acidic substances" for easy use and supervision.
Preparation Method
Dipotassium Hydrogen Phosphate K2HPO4 is often prepared with phosphoric acid and potassium hydroxide as raw materials. The two are mixed in a certain proportion, neutralized at a suitable temperature, and concentrated, crystallized, dried, and other processes to obtain the finished product. During the reaction, the raw material ratio, reaction temperature, and time must be precisely controlled to ensure stable product quality.
Chemical Reactions & Modifications
Trisodium Phosphate Industrial Grade TSP will decompose when it enters water, making the liquid alkaline and adjustable pH value. When it encounters metal salts, it will produce phosphate precipitation. Adding other things or changing conditions can shape its properties, just like a skilled craftsman shaping jade, changing it according to needs to meet the needs of industry.
Synonyms & Product Names
Synonyms of Dipotassium Hydrogen Phosphate K2HPO4 include potassium dihydrogen phosphate, etc. Although the names are different in different documents, industries, or regions, they all refer to this compound.
Safety & Operational Standards
When using Trisodium Phosphate Industrial Grade TSP, the first priority is to comply with Safety & Operational Standards. This is related to the safety of human life and the success or failure of things, and should not be neglected.
Those who handle this product must first wear protective clothing, like armor to protect the body; wear thick leather gloves on their hands, like a copper wall and iron wall; cover their eyes with eye protection, like a barrier to prevent danger, and be strict and solid. Do not let this product touch your body or eyes. If you accidentally touch it, rinse it quickly with clean water, like a flood to cleanse the dirt, and seek medical advice immediately without delay.
As for storage and transportation, they must all be carried out in accordance with the regulations for dangerous chemicals, like a marching order, and must not be violated. You must be cautious when escorting along the way and guarding in the warehouse to prevent sudden disasters. In this way, everything can be guaranteed to be smooth and safe.
Those who handle this product must first wear protective clothing, like armor to protect the body; wear thick leather gloves on their hands, like a copper wall and iron wall; cover their eyes with eye protection, like a barrier to prevent danger, and be strict and solid. Do not let this product touch your body or eyes. If you accidentally touch it, rinse it quickly with clean water, like a flood to cleanse the dirt, and seek medical advice immediately without delay.
As for storage and transportation, they must all be carried out in accordance with the regulations for dangerous chemicals, like a marching order, and must not be violated. You must be cautious when escorting along the way and guarding in the warehouse to prevent sudden disasters. In this way, everything can be guaranteed to be smooth and safe.
Application Area
Dipotassium Hydrogen Phosphate K2HPO4 can be used as a quality improver and nutritional supplement in the food industry; in the pharmaceutical field, it can be used as a buffer in drug preparations; in agriculture, it can be used as a foliar fertilizer to supplement phosphorus and potassium for crops; in industry, it can be used in water treatment, electroplating and other industries to play different roles.
Research & Development
At present, the Research & Development of Dipotassium Hydrogen Phosphate K2HPO4 continues to advance. Researchers are committed to optimizing the preparation process, reducing production costs, and improving product purity; exploring its application potential in emerging fields such as new energy and new materials, expanding the scope of product application, and increasing product added value.
Toxicity Research
According to Toxicity Research, Trisodium Phosphate Industrial Grade TSP is corrosive, burning the skin and eyes, and inhaling its dust can damage the respiratory tract. Therefore, when handling and storing it, it is necessary to take strict precautions and keep it away from people to ensure their safety.
Future Prospects
The rise of Trisodium Phosphate Industrial Grade TSP depends on the progress of industry. The more sophisticated the technology in the future, the more stringent the requirements for its quality and performance. If it can be used in new ways and open up new fields, the market demand will increase, and its industry will also rise like the sun, which is expected.
Where to Buy Dipotassium Hydrogen Phosphate K2HPO4 in China?
As a trusted Dipotassium Hydrogen Phosphate K2HPO4 manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery.
Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading Dipotassium Hydrogen Phosphate K2HPO4 supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
Dipotassium Hydrogen Phosphate K2HPO4 How to adjust the pH of food in food processing?
Dipotassium Hydrogen Phosphate K2HPO4 can adjust the pH of food processing, just like a skilled craftsman adjusting the sound of a zither. Its aqueous solution is weakly alkaline. In the food system, if the acid is too strong, it can react with it to reduce the acid potential. For example, when making fruit juice, if the acidity of fresh fruit is too high after juicing, the taste is sour and astringent, adding a proper amount of Dipotassium Hydrogen Phosphate K2HPO4 can neutralize part of the fruit acid, balance the sweet and sour taste, and make the taste mellow and pleasant. In baked goods, the dough ferments and produces acid, which can adjust the pH of the dough, create a suitable growth environment for yeast, promote smooth fermentation, and make the finished product soft and moderate. When using, the dosage should be precisely controlled according to the original acidity and expected taste of the food. Too much will result in too strong alkaline taste, and too little will result in insufficient adjustment. Only by repeated adjustment and careful weighing can the pH of the food be just right and the flavor be excellent.
How to prevent deliquesce and deterioration of Dipotassium Hydrogen Phosphate K2HPO4 when storing it?
To prevent deliquesce and deterioration of Dipotassium Hydrogen Phosphate K2HPO4, both the environment and packaging should be taken into consideration. Choose a dry, ventilated and cool warehouse, such as a dry and secret room for treasures to avoid moisture intrusion. The floor of the warehouse should be raised to prevent moisture from eroding from bottom to top; the temperature and humidity should be strictly controlled, and dehumidification and cooling equipment should be added when necessary to keep the environment suitable. Plastic woven bags with good sealing performance are often used for packaging, lined with food-grade moisture-proof film, and the seal must be tight, like putting on a solid armor to block external moisture from the outside. During storage, regular inspections should be conducted to see if there are any signs of agglomeration or deliquescence. If the packaging is damaged, it should be replaced immediately. It should not be stored together with objects with high water content or that easily release water vapor. Only with such careful protection can Dipotassium Hydrogen Phosphate K2HPO4 be stored for a long time without changing its quality and be available at any time.
What are the key points in the preparation of Dipotassium Hydrogen Phosphate K2HPO4?
To prepare Dipotassium Hydrogen Phosphate K2HPO4, phosphoric acid and potassium hydroxide are often used as raw materials to perform a neutralization reaction. There are three key points in this process: First, the raw material ratio must be accurate. The amount of phosphoric acid and potassium hydroxide must be accurately weighed according to the chemical stoichiometric relationship. One more part will result in excess acid, and one less part will result in excess alkali, which will make it difficult to produce a high-purity product. Secondly, the control of reaction temperature is crucial. If the temperature is too high, the product is easy to decompose or cause side reactions; if the temperature is too low, the reaction is slow, time-consuming and difficult to fully proceed. Generally, it is necessary to maintain it in an appropriate range and stir it continuously to make the two fully contact and react evenly. Thirdly, the subsequent treatment needs to be delicate. After the reaction is completed, the concentration, crystallization, separation, drying and other processes must be strictly controlled. The concentration temperature, crystallization rate and drying degree must be strictly controlled. Any slight mistake will affect the product properties and purity. The whole process is like carving a beautiful jade, and only by careful steps can high-quality Dipotassium Hydrogen Phosphate K2HPO4 be obtained.
Will Dipotassium Hydrogen Phosphate K2HPO4 be mixed with other food additives to produce adverse reactions?
It is difficult to generalize the effect of Dipotassium Hydrogen Phosphate K2HPO4 when mixed with other food additives, and it needs to be handled with caution. When used with some acidic additives, such as citric acid and malic acid, in beverage production, it can synergistically adjust the acidity and make the taste richer and softer, like the ensemble of different musical instruments, harmonious and pleasant. When used with some emulsifiers and thickeners, it can enhance the stability of the emulsion, prevent stratification, and improve product quality during dairy product processing. However, if mixed with strong alkaline additives, the two will meet and neutralize violently, which will not only weaken each other's effectiveness, but may also change the nature of the food system and affect the taste and texture. In addition, when mixed with certain additives with high metal ion content, complex reactions may occur, resulting in precipitation, which will destroy the stability of the food. Therefore, before mixing, it is necessary to check the physical properties of each additive in detail, conduct a small test first, explore its compatibility, and ensure that there is no adverse reaction before mixing and using it to maximize its effectiveness.
When using Dipotassium Hydrogen Phosphate K2HPO4, how to ensure compliance with food safety regulations?
When using Dipotassium Hydrogen Phosphate K2HPO4, strictly abide by food safety regulations, which is related to public health and cannot be slack. When purchasing, you must choose suppliers with formal channels and complete qualifications, check product inspection reports and quality certifications, and if you choose a good horse, you must look at its pedigree to ensure that the source is reliable. During use, strictly follow the national standards for the use of food additives, accurately weigh, and strictly prohibit excessive addition. Excessive use may cause potential harm to human health. Operators must maintain good personal hygiene, wear clean work clothes, gloves, and masks, like doctors washing their hands, to prevent product contamination. During storage, it is strictly isolated from toxic and harmful substances, and the warehouse is clearly marked for easy management and traceability. The production workshop is regularly cleaned and disinfected, and the equipment is maintained in a timely manner to ensure that the production environment meets the requirements. In this way, from procurement, use to storage, and production, the entire process is carried out in accordance with regulations to ensure that Dipotassium Hydrogen Phosphate K2HPO4 is safe and reliable in food processing and protect the health of consumers.
