Sodium Dihydrogen Phosphate NaH2PO4
| HS Code | 273591 |
| Chemical Formula | NaH2PO4 |
| Molar Mass | 119.98 g/mol |
| Appearance | White, granular or crystalline powder |
| Solubility In Water | Highly soluble |
| Odor | Odorless |
| Ph Of Aqueous Solution | Acidic (about 4.5 for 1% solution) |
| Density | 2.04 g/cm³ |
| Melting Point | 100 °C (decomposes) |
| Hygroscopicity | Hygroscopic |
As an accredited Sodium Dihydrogen Phosphate NaH2PO4 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sodium Dihydrogen Phosphate NaH2PO4 is packaged in paper bags, lined with plastic film, tied and sealed. The weight of each bag is determined according to needs, and the product name is clearly marked. |
| Storage | Sodium Dihydrogen Phosphate NaH2PO4 should be stored in a dry place, away from moisture and heat sources, and stacked neatly with gaps. |
| Shipping | When transporting Sodium Dihydrogen Phosphate NaH2PO4, it is necessary to protect it from rain and snow, and handle it gently. Do not damage the packaging and separate it from other items. |
Competitive Sodium Dihydrogen Phosphate NaH2PO4 prices that fit your budget—flexible terms and customized quotes for every order.
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Historical Development
The development of Sodium Dihydrogen Phosphate NaH2PO4 began with the road of chemical exploration. In the past, scholars studied phosphorus compounds and gradually mastered their preparation and properties. With the evolution of chemical technology, from the early rough preparation method to the current mature process and excellent quality, it has been increasingly used in food, medicine, industry and other fields and is indispensable.
Product Overview
Sodium Dihydrogen Phosphate NaH2PO4 is a white crystalline powder or granule, odorless, slightly sour, and easily soluble in water. In the food industry, it can be used as a quality improver and buffer; in the pharmaceutical field, it can be used in the preparation of drug preparations; in industry, it is used for water treatment, electroplating, etc. It is a chemical with a variety of uses.
Physical & Chemical Properties
Sodium Dihydrogen Phosphate NaH2PO4 melts at 200℃, has a weak hygroscopicity, and its crystals are regular like artifacts made by craftsmen. It is active in nature and can react with acids and alkalis, and can adjust the acidity and alkalinity of the solution. It can also react with many types of metal ions to form new salts, just like stringing beads with a thread, each taking its own shape.
Technical Specifications & Labeling
Technical Specifications strictly regulates the content, impurities and other indicators of Sodium Dihydrogen Phosphate NaH2PO4. For example, the main content (in terms of NaH2PO4) must meet certain standards, and the content of impurities such as chloride and heavy metals is strictly controlled. When labeling, the packaging is clearly marked with product name, specifications, manufacturer, production date, shelf life, implementation standards, and warning signs such as "moisture-proof" and "keep away from alkaline substances" for easy use and supervision.
Preparation Method
To make Sodium Dihydrogen Phosphate NaH2PO4, phosphoric acid and sodium hydroxide are usually used as raw materials. Mix them according to the proportion, neutralize them at a suitable temperature, and then go through the processes of concentration, crystallization, and drying to obtain the finished product. During this process, the ratio of materials, temperature, and time must be precisely controlled, just like a good chef seasoning or a skilled craftsman measuring wood, to ensure constant quality.
Chemical Reactions & Modifications
Sodium Dihydrogen Phosphate NaH2PO4 hydrolyzes in aqueous solution to adjust the pH value of the solution. It reacts with alkali to produce products such as disodium hydrogen phosphate, and reacts with metal salts to produce metal phosphates. It can be modified by adding specific additives or changing reaction conditions to meet the application needs of different industries.
Synonyms & Product Names
Sodium Dihydrogen Phosphate NaH2PO4 has sodium dihydrogen phosphate and other synonyms. Although the names are different in different documents, industries or regions, they all refer to this compound.
Safety & Operational Standards
When using Sodium Dihydrogen Phosphate NaH2PO4, the operator must wear protective gloves and masks, and do not let this material touch the skin or enter the eyes, as if to protect against enemies from the outside. If it accidentally touches, quickly rinse with clean water, as if to remove dirt. Storage and transportation must be carried out in accordance with regulations to prevent it from getting damp and deteriorating. The workplace must be ventilated and equipped with fire-fighting equipment, just like building walls and defenses, to ensure safety.
Application Area
Sodium Dihydrogen Phosphate NaH2PO4 has a wide range of uses. In food, it can adjust acidity, enhance flavor, and extend shelf life; in medicine, it can stabilize the pH of medicines; in industry, it is very useful in water treatment, electroplating, printing and dyeing, etc., and its prospects are vast, like a rushing river.
Research & Development
Today, many people are researching Sodium Dihydrogen Phosphate NaH2PO4. Researchers strive to optimize the production method, reduce costs and purify; they also explore its ability in new fields such as biomedicine and new energy materials, expand its use, increase its value, and hope to achieve new results, just like reclaiming wasteland and opening up new fields.
Toxicity Research
Toxicity Research says that Sodium Dihydrogen Phosphate NaH2PO4 is slightly toxic and is harmless to people and the environment when used normally. However, excessive consumption or long-term exposure to high concentrations can also damage health. Therefore, it must be used in accordance with the rules and not be careless, as if walking on thin ice and walking on thin ice. Be extremely cautious.
Future Prospects
The future prospects of Sodium Dihydrogen Phosphate NaH2PO4 are quite promising. With the development of food, medicine, industry and other industries, the demand for it will continue to grow. In addition, with the continuous scientific research and innovation, its application field is expected to be further expanded, the production process will be more advanced, and the product quality and performance will continue to improve.
Where to Buy Sodium Dihydrogen Phosphate NaH2PO4 in China?
As a trusted Sodium Dihydrogen Phosphate NaH2PO4 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 Sodium Dihydrogen Phosphate NaH2PO4 supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
How to control the amount of Sodium Dihydrogen Phosphate NaH2PO4 added to different categories in food processing?
In food processing, the amount of Sodium Dihydrogen Phosphate NaH2PO4 added is related to the quality and flavor of food, just like a skilled woman seasoning. A slight mistake will make a big difference. In beverage production, if it is used as an acidity regulator, adding too much will make the sour taste pungent, and too little will make the taste bland. Generally, for every hundred liters of beverage, the amount added is often controlled between hundreds of grams according to its original acidity and target flavor. For example, when mixing fruit juice drinks, it is necessary to accurately balance to make the sour and sweet taste appropriate. In baked goods, when used as a leavening agent, if the amount is too much, the gas production will be too fast and the cake will collapse easily; if the amount is too little, the fermentation will be insufficient and the texture will be tight. Usually, the amount used is measured in several taels per hundred kilograms of flour, and it needs to be flexibly adjusted in combination with the amount of yeast and baking temperature. In meat processing, when improving water retention and tenderness, if too much is added, the meat will be soft and rotten, and if too little is added, the effect will not be obvious. It is usually added according to a few thousandths of the weight of the raw material. Only by knowing the characteristics of each food and repeatedly debugging can the addition amount be accurately controlled to show its effect.
Storage of Sodium Dihydrogen Phosphate NaH2PO4, how to prevent its deliquesce failure?
Storage of Sodium Dihydrogen Phosphate NaH2PO4, to prevent deliquesce failure, requires a two-pronged approach from the environment and packaging. Choose a dry, ventilated and cool warehouse, raise the ground, like building a high platform to hide treasures, and isolate moisture from invading; dehumidification equipment can be placed in the warehouse to maintain the humidity at a low level to create a dry place for it. Use plastic woven bags with excellent sealing performance for packaging, lined with food-grade moisture-proof film, and seal them tightly. If the packaging is damaged, replace it immediately to prevent water vapor from penetrating. During storage, it should not be mixed with items with high water content, and the stacks should be arranged with enough space for ventilation inspection. Regular inspections should be carried out to observe whether there are signs of agglomeration or deliquescence. If any abnormality is found, it should be transferred to a dry environment for treatment in time. With such careful protection, Sodium Dihydrogen Phosphate NaH2PO4 can be stored for a long time with stable properties and can be used at any time.
In the preparation of Sodium Dihydrogen Phosphate NaH2PO4, what are the key points of temperature control for neutralization reaction?
In the preparation of Sodium Dihydrogen Phosphate NaH2PO4, phosphoric acid and sodium hydroxide are often used for neutralization reaction. Temperature control is the key, just like the reins of a horse, which cannot be lost. If the temperature is too low, the reaction is slow, like a car stuck in a quagmire, the raw materials are difficult to fully combine, which not only takes a long time, but also has low purity and many impurities in the product; if the temperature is too high, the reactants are easy to volatilize, and side reactions may also be triggered to generate impurities such as sodium pyrophosphate, reducing product quality. Generally, the reaction temperature needs to be maintained in an appropriate range, and the raw materials need to be added slowly while stirring to evenly disperse the heat. During the reaction, the temperature changes need to be monitored in real time. If the temperature fluctuates, it should be adjusted in time through cooling or heating devices. In subsequent processes such as concentration and crystallization, the temperature also needs to be precisely controlled. Excessive heat during concentration can easily decompose the product, and sudden temperature changes during crystallization will affect the crystal morphology. Only by fine temperature control throughout the process can high-quality Sodium Dihydrogen Phosphate NaH2PO4 be obtained.
Will Sodium Dihydrogen Phosphate NaH2PO4 produce a synergistic effect when mixed with other food additives?
Sodium Dihydrogen Phosphate NaH2PO4 may produce a synergistic effect or a conflict when mixed with other food additives, so it needs to be handled with caution. When mixed with other phosphate additives such as sodium tripolyphosphate, it can synergistically enhance the water retention and tenderization properties in meat processing, making the meat more tender and juicy, just like soldiers fighting side by side, each showing their strengths. In dairy products, it can be used with emulsifiers to improve the stability of emulsions and prevent milk fat separation. The two complement each other and improve product quality. However, if mixed with strong alkaline additives, acid-base neutralization will weaken the effectiveness of each other, and even change the nature of the food system, affecting the taste and texture; mixed with some additives with high metal ion content, or complex reaction will occur, resulting in precipitation, destroying food stability. Therefore, before mixing, it is necessary to check the physical properties of each additive in detail, conduct small-scale tests first, explore their compatibility, and ensure that there are no adverse reactions before mixing to maximize the effectiveness.
When using Sodium Dihydrogen Phosphate NaH2PO4, how to ensure compliance with food safety standards?
When using Sodium Dihydrogen Phosphate NaH2PO4, strictly abide by food safety standards, which is related to consumer health and cannot be slack. When purchasing, you need to choose suppliers with formal channels and complete qualifications, carefully check product inspection reports and quality certifications, ensure that the source is reliable, and if you choose good materials, you need to distinguish between good and bad. During use, strictly follow the national standards for the use of food additives, accurately weigh, and strictly prohibit excessive addition, as excessive use may cause potential harm to human health. Operators must maintain good personal hygiene, wear clean work clothes, gloves, and masks to prevent product contamination. During storage, they must be strictly isolated from toxic and hazardous items, and the warehouse must be 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 Sodium Dihydrogen Phosphate NaH2PO4 is safe and reliable in food processing and protect the health of consumers.
