Ammonium Dihydrogen Phosphate (MAP) CAS 7722-76-1

Product Overview

Ammonium Dihydrogen Phosphate (MAP), chemical formula NH₄H₂PO₄, is a highly efficient, water-soluble phosphate compound widely used in fertilizers, fire retardants, food processing, and industrial applications. It is known for its high phosphorus content and excellent solubility, making it a preferred choice in agriculture and technical formulations.

MAP is typically supplied as a white crystalline powder or granular solid, offering stable performance and easy handling across multiple industries.

Key Product Information

  • Product Name: Ammonium Dihydrogen Phosphate

  • CAS Number: 7722-76-1

  • Molecular Formula: NH₄H₂PO₄

  • Molecular Weight: 115.03 g/mol

  • Appearance: White crystalline powder or granules

  • Solubility: Highly soluble in water

  • pH (1% solution): 4.0 – 4.5

Main Applications

1. Fertilizer Industry

MAP is widely used as a high-efficiency phosphorus fertilizer:

  • Provides essential nitrogen (N) and phosphorus (P)

  • Promotes root development and early plant growth

  • Suitable for drip irrigation and foliar feeding

  • Compatible with most water-soluble fertilizers

2. Fire Retardants

  • Used in dry chemical fire extinguishers

  • Acts as a flame retardant in wood, textiles, and paper

3. Food Industry

  • Functions as a leavening agent and acidity regulator

  • Used in baking powders and food processing (food-grade quality required)

4. Industrial Applications

  • Buffering agent in chemical processes

  • Used in fermentation and yeast production

  • Applied in water treatment formulations

Technical Advantages

  • High purity and consistent quality

  • Excellent water solubility for fast absorption

  • Low impurity content ensures safe application

  • Stable under normal storage conditions

  • Multi-industry usability (agriculture, food, industrial)

Packaging & Storage

Packaging Options:

  • 25 kg bags

  • 50 kg bags

  • Jumbo bags (1000 kg)

  • Customized packaging available

Storage Conditions:

  • Store in a cool, dry, and well-ventilated area

  • Avoid moisture and direct sunlight

  • Keep sealed to maintain product quality

Frequently Asked Questions (FAQs)

1. What is the difference between MAP and DAP?

MAP (Ammonium Dihydrogen Phosphate) contains less nitrogen but more phosphorus compared to DAP (Diammonium Phosphate). MAP is more suitable for early-stage plant growth due to its lower pH and better compatibility.

2. Is MAP fully water-soluble?

Yes, MAP is completely water-soluble, making it ideal for fertigation systems and foliar applications.

3. Can MAP be used in food applications?

Yes, food-grade MAP can be used as a leavening agent and acidity regulator. Industrial-grade MAP should not be used in food.

4. Is MAP suitable for all crops?

MAP is suitable for a wide range of crops, including fruits, vegetables, grains, and cash crops, especially during early growth stages.

5. How should MAP be stored?

It should be stored in a dry environment, away from moisture, to prevent caking and maintain quality.

6. Does MAP react with other fertilizers?

MAP is compatible with most fertilizers but should not be mixed with calcium-based products in concentrated solutions to avoid precipitation.

Why Choose Our MAP?

  • Reliable and consistent supply

  • High-quality production standards

  • Competitive pricing for bulk orders

  • Flexible logistics and global export experience

  • Technical support for application guidance

Contact Us

For pricing, specifications, samples, or technical support, please contact us:

Email: [email protected]
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