Monoammonium Phosphate MAP is a high-concentration nitrogen-phosphorus compound fertilizer widely used in modern agricultural production and selected industrial applications. With total nutrient content of ≥55%, it provides a balanced supply of nitrogen and phosphorus in a highly water-soluble form. AOLANSU manufactures the product using controlled production processes and holds hazardous chemical production certification, ensuring stable quality, consistent specifications, and reliable supply for global buyers.
The product features excellent water solubility, low impurity levels, and stable chemical properties. Its acidic solution characteristic makes it suitable for alkaline and neutral soils where phosphorus availability may be limited. In addition to fertilizer applications, it can also serve as a chemical raw material for industrial corrosion control, water treatment, and other specialized processes.
| Parameter | Specification |
|---|---|
| Total Nutrient Content | ≥55%; common ratios include 11-44-0 and 10-45-0 (N-P₂O₅-K₂O) |
| Phosphorus Content | ≥44% |
| CAS No. | 7722-76-1 |
| Appearance | Powder, crystalline, or granular form |
| Water Solubility | 368 g/L at 20°C; suitable for drip irrigation, flushing application, and foliar spraying |
| Packaging | 50kg/bag; woven plastic packaging with moisture-proof and anti-caking properties |
| Custom Packaging | Customizable specifications, printing, logo, and packaging colors according to customer requirements |
The main advantage of Monoammonium Phosphate MAP is its efficient nitrogen and phosphorus supply. Unlike single-nutrient fertilizers, it provides both nutrients in one compound, helping simplify fertilizer planning and reduce the need for multiple separate fertilizer materials.
The product contains a high proportion of water-soluble phosphorus, allowing nutrients to become available quickly after application. This characteristic makes it suitable for crop growth stages where rapid phosphorus supplementation is required.
High water-soluble phosphorus can be directly utilized by crops under suitable soil conditions. It helps support early root establishment, flower bud development, and crop growth when phosphorus availability is a limiting factor.
The nitrogen-phosphorus ratio provides a combined nutrient source that supports both vegetative growth and root development. The suitable nutrient balance allows the product to be used in different fertilizer management programs.
The aqueous solution of Monoammonium Phosphate (MAP) is acidic, with a pH of approximately 4.5. This property makes it particularly suitable for alkaline and neutral soils where phosphorus availability may be affected by soil conditions.
By selecting appropriate application methods and rates, the product can be incorporated into soil nutrient management programs for different crops and growing environments.
In alkaline soils, phosphorus can become less available due to chemical fixation. The acidic characteristics of the product help create a more suitable nutrient environment around the fertilizer application area, improving phosphorus utilization.
AOLANSU supplies Monoammonium Phosphate MAP for a wide range of agricultural uses, including field crops, vegetables, fruit trees, and other horticultural crops. It can be applied as base fertilizer, topdressing, or foliar fertilizer according to crop requirements.
The product is commonly used in phosphorus-deficient farmland and areas requiring improved root development. It can help support stronger root systems, flower bud differentiation, fruit setting, and overall crop quality.
For crops such as corn, wheat, and rice, the product can be included in fertilizer programs to provide nitrogen and phosphorus during important growth periods. Application rates should be adjusted according to soil conditions, crop variety, and local farming practices.
In vegetable and fruit production, sufficient phosphorus supply is important for root growth, flowering, and fruit development. The high solubility of the product allows flexible application through conventional fertilization or compatible irrigation systems.
Beyond agricultural use, the stable chemical properties of Monoammonium Phosphate MAP allow it to be used in selected industrial applications. Buyers should select the appropriate grade according to process requirements and technical specifications.
The product can be used as an anodic corrosion inhibitor in certain circulating water systems and boiler equipment. It helps reduce metal corrosion by participating in corrosion-control formulations.
In water treatment systems, it can serve as a nutrient source for microbial cultivation. Supporting microbial activity can contribute to improved biological treatment processes under suitable operating conditions.
Due to its stable chemical properties, the product may also be used in selected food processing, pharmaceutical preparation, and other industrial applications where applicable specifications are required.
For bulk procurement, buyers usually evaluate nutrient content, purity, water solubility, physical condition, packaging quality, and batch consistency. These factors directly influence fertilizer performance, storage stability, and downstream processing.
The product is manufactured from phosphoric acid and liquid ammonia through controlled reaction processes. High-quality raw materials and production monitoring help maintain high purity, low heavy metal content, and stable product characteristics.
The product is available in powder, crystalline, or granular forms. It features uniform appearance, good fluidity, and rapid dissolution performance, making it convenient for handling, transportation, and application.
Proper storage conditions are important for maintaining product quality. The fertilizer should be stored in a dry environment and protected from moisture exposure to reduce the risk of caking and changes in physical properties.
AOLANSU uses thickened woven plastic packaging with moisture-resistant inner film and strong sealing performance. Customized packaging specifications, printing, logo, and colors can be arranged according to customer requirements.
When purchasing Monoammonium Phosphate MAP in bulk, buyers should confirm nutrient grade, phosphorus content, physical form, packaging requirements, application purpose, and transportation conditions.
Agricultural distributors should evaluate crop requirements and local soil conditions, while industrial users should confirm technical specifications, purity requirements, and compatibility with their production processes before ordering.
A large agricultural enterprise in Northern China previously experienced low phosphorus utilization efficiency due to alkaline soil conditions. The company adjusted its fertilizer program by introducing high water-soluble nitrogen-phosphorus fertilizer for base application and early crop growth stages.
After adopting the product, the fertilizer program achieved more stable phosphorus supplementation, improved early root development, and reduced nutrient loss caused by unsuitable soil conditions. The enterprise optimized fertilizer usage efficiency while maintaining consistent crop production performance across different planting areas.
Common grades include 11-44-0 and 10-45-0, with total nutrient content of ≥55% and phosphorus content of ≥44%.
Yes. Its acidic solution characteristic makes it suitable for alkaline and neutral soils where phosphorus availability may need improvement.
Yes. Due to its high water solubility, suitable grades can be used in drip irrigation, flushing application, and foliar spraying systems.
It should be stored in a dry warehouse and protected from moisture. Proper packaging helps prevent caking and maintains product flowability during storage.
AOLANSU holds hazardous chemical production certification and applies controlled production procedures to support stable chemical manufacturing and supply.
