Monoammonium phosphate
Monoammonium Phosphate: The Essential Fire Retardant and Fertilizer
Monoammonium phosphate (MAP) is a versatile chemical compound with applications ranging from agriculture to fire safety. As a leading supplier, we provide high-quality Monoammonium phosphate that meets industry standards and regulatory requirements.
Product Specifications
- Chemical Formula: NH4H2PO4
- Appearance: White crystalline powder
- Solubility: Highly soluble in water (22.7g/100ml at 25°C)
- pH Value: 4.0-4.5 (1% solution)
- Nitrogen Content: 11-12%
- Phosphorus Content: 52-61%
- Bulk Density: 0.8-1.0 g/cm3
| Property | Specification |
|---|---|
| CAS Number | 7722-76-1 |
| Molecular Weight | 115.03 g/mol |
| Melting Point | 190°C (decomposes) |
| Purity | ≥99% |
| Moisture Content | ≤0.2% |
| Storage Conditions | Cool, dry place in tightly sealed containers |
FAQs About Monoammonium Phosphate
What are the primary uses of Monoammonium phosphate?
Monoammonium phosphate serves two main purposes: as a highly effective fire retardant in dry chemical fire extinguishers (particularly for Class B and C fires) and as a valuable phosphorus and nitrogen fertilizer in agriculture. In fire safety applications, Monoammonium phosphate works by forming a protective layer that smothers flames and interrupts the combustion process. As a fertilizer, Monoammonium phosphate provides essential nutrients for plant growth, particularly in acidic soils where its low pH is beneficial.
Is Monoammonium phosphate dangerous to handle?
While Monoammonium phosphate is generally safe when handled properly, it can cause mild irritation to eyes, skin, and respiratory system. Workers should use appropriate personal protective equipment (PPE) including gloves, safety goggles, and dust masks when handling large quantities of Monoammonium phosphate powder. The compound is not considered highly toxic, but inhalation of dust should be avoided. In case of accidental exposure, rinse affected areas with plenty of water and seek medical advice if irritation persists.
How does Monoammonium phosphate compare to other phosphate fertilizers?
Monoammonium phosphate offers several advantages over other phosphate fertilizers like diammonium phosphate (DAP). Monoammonium phosphate has lower pH (around 4.0 compared to DAP's 7.5-8.0), making it preferable for acidic soils. The nitrogen in Monoammonium phosphate is in the ammonium form, which is less volatile than the urea form found in some other fertilizers. Additionally, Monoammonium phosphate generally has higher phosphorus content than many blended fertilizers, making it more efficient for delivering this essential nutrient to plants.
Technical Advantages
Our Monoammonium phosphate stands out in the market due to:
- Consistent particle size distribution for uniform application
- Low moisture content preventing caking
- High purity with minimal impurities
- Excellent solubility characteristics
- Stable chemical composition guaranteed
Packaging Options
| Package Type | Weight | Material |
|---|---|---|
| Bags | 25kg, 50kg | Multi-layer polyethylene |
| Big Bags | 500kg, 1000kg | PP woven with PE liner |
| Bulk | 20+ MT | Container/Tanker |
Industry Applications
Monoammonium phosphate serves multiple industries:
- Agriculture: As a high-phosphorus fertilizer for crops
- Fire Safety: In dry chemical fire extinguishers
- Food Industry: As a nutrient in yeast production
- Chemical Manufacturing: As a raw material for various phosphate compounds
For over two decades, our company has specialized in producing premium quality Monoammonium phosphate that meets the diverse needs of our global clientele. We maintain strict quality control procedures from raw material selection to final packaging, ensuring consistent product performance.