Diammonium Phosphate(DAP)

Diammonium Phosphate (DAP) – CAS 7783-28-0

Key Identifiers

• Chemical Name: Diammonium Phosphate

• Molecular Formula: (NH₄)₂HPO₄

• Molecular Weight: 132.06 g/mol

• CAS Number: 7783-28-0

• EINECS Number: 231-987-8

• Appearance: White crystalline granules or powder

• Odor: Slight ammonia odor

• Solubility: Highly soluble in water

  
  

Technical Specifications

Custom specifications available based on application requirements.

Key Features & Benefits

• High Nutrient Content: Provides both nitrogen and phosphorus efficiently

• Excellent Water Solubility: Ensures rapid absorption by plants

• Neutral to Slightly Alkaline: Suitable for a wide range of soil conditions

• Multi-Functional Use: Applicable in agriculture and industrial sectors

• Cost-Effective Fertilizer: High performance with lower application rates

  
  

Applications

1. Agriculture (Primary Use)

• Widely used as a base fertilizer and top dressing

• Promotes strong root development and early plant growth

• Suitable for cereals, fruits, vegetables, and cash crops

• Compatible with most fertilization systems, including drip irrigation

  
  

2. Fire Retardants

• Used in fireproofing formulations for wood, paper, and textiles

• Acts as a flame retardant by releasing ammonia and phosphoric compounds

  
  

3. Industrial Applications

• Used in fermentation as a nutrient source

• Buffering agent in chemical processes

• Component in water treatment formulations

  
  

4. Food & Beverage (Limited Use)

• Used as a yeast nutrient in brewing and winemaking

  
  

Packaging & Storage

• Packaging: 25kg bags, 50kg bags, 1000kg jumbo bags, or customized

  
  

• Storage Conditions:

• Store in a cool, dry, and ventilated environment

• Keep away from moisture and direct sunlight

• Avoid contamination with incompatible materials

  
  

• Shelf Life: 2 years under proper storage conditions

  
  

Safety & Handling

• Avoid inhalation of dust

• Use appropriate PPE (gloves, masks, goggles)

• Wash hands after handling

• In case of contact with eyes or skin, rinse thoroughly with water

  
  

Frequently Asked Questions (FAQs)

Q1: What is Diammonium Phosphate mainly used for?
A: It is primarily used as a high-efficiency fertilizer supplying nitrogen and phosphorus to crops.

Q2: What is the NPK value of DAP?
A: DAP typically has an NPK ratio of 18-46-0, meaning 18% nitrogen and 46% phosphorus (P₂O₅).

Q3: Is DAP suitable for all crops?
A: Yes, it is widely used for a variety of crops including grains, fruits, vegetables, and industrial crops.

Q4: Can DAP be used in fertigation systems?
A: Yes, due to its high solubility, it is suitable for drip irrigation and fertigation systems.

Q5: What is the difference between DAP and MAP (Monoammonium Phosphate)?
A: DAP has higher nitrogen content and is more alkaline, while MAP is slightly acidic and preferred for certain soil conditions.

Why Choose Us?

• Stable and high-quality supply chain

• Competitive pricing for bulk orders

• Extensive export experience in fertilizers and chemicals

• Flexible packaging and OEM support

• Fast response and professional service

  
  

Contact US

For quotations, samples, or technical support, please contact:

Email: lisa@aozunchem.com
WeChat / WhatsApp: +86-186 5121 5887

We are your reliable partner for Diammonium Phosphate (DAP) CAS 7783-28-0 supply worldwide.