Diammonium Phosphate (DAP)

CAS Number: 7783-28-0
Formula: (NH₄)₂HPO₄
Common Names: DAP, Diammonium Phosphate Fertilizer

1. Product Description

📌 Diammonium Phosphate (DAP) is a high-quality, water-soluble inorganic phosphate widely used in agriculture, industrial applications, and, in limited cases, as a fermentation nutrient.
🌱 It provides essential nitrogen (N) and phosphorus (P₂O₅) to promote healthy root development, early growth, and higher crop yields.
⚙️ Industrial grades are used in fire retardants, water treatment, metal treatment, and catalysts.

2. Chemical & Physical Properties

3. Specifications

Note: Specifications may vary slightly depending on fertilizer or industrial grade.

4. Applications

Agriculture & Fertilizer

🌾 Primary Fertilizer (N & P source) – widely applied to crops like wheat, corn, vegetables, and fruits.
🌱 Early Growth & Root Development – promotes strong root system and improved seedling establishment.
💧 Water-Soluble Fertilizer – ideal for fertigation and foliar feeding.

Industrial Uses

🔥 Fire Retardant – used in fire-resistant coatings and materials.
💧 Water Treatment – reduces scaling and precipitates metals.
🔧 Metal & Ceramics Industry – stabilizer and catalyst component.

Limited Food/Fermentation Uses

🍷 Yeast Nutrient / Fermentation Aid – small amounts in brewing or food-grade fermentation (country-specific regulations apply).

5. Advantages

⭐ High Nutrient Content – 21% N + 46% P₂O₅ for effective crop nutrition
⭐ Rapid Solubility – dissolves quickly, suitable for fertigation or foliar application
⭐ Multi-Purpose – agriculture, industrial, and fermentation uses
⭐ Improves Crop Quality & Yield – supports root growth, flowering, and fruiting
⭐ Consistent Purity & Quality – complies with international fertilizer standards

6. Packaging & Storage

📦 Packaging Options:

• 25 kg bags (woven / kraft)

• 50 kg bags (custom)

• Jumbo bags: 500–1000 kg

🛡 Storage Conditions:

• Store in dry, cool, and ventilated warehouse

• Avoid moisture and direct sunlight

• Keep bags sealed

• Shelf life: 24 months under proper storage

7. Regulatory Status

📘 Agriculture / Fertilizer:

• Globally recognized as a standard phosphate fertilizer

• Complies with ISO, local fertilizer regulations, and NPK labeling standards

📗 Industrial:

• Listed in chemical inventories such as EINECS, TSCA

• Approved for use in fire retardants, water treatment, and catalysts

📙 Food / Fermentation (limited):

• Allowed only as fermentation nutrient under local regulations (country-specific)

• Must comply with food-grade quality standards if applied

Why Choose Jiangsu Khonor Chemicals Co., Limited?

①Over 10 years of experience in chemical and food ingredient exports

②Stable supply capacity and competitive pricing

③Support for diverse molecular weights and performance requirements

④Samples available for quality testing

⑤Professional documentation: COA, MSDS, TDS, and export compliance

⑥Strong focus on global B2B markets

⑦Fast delivery and flexible logistics solutions

Ordering Information

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

Jiangsu Khonor Chemicals Co., Limited

Professional Chemical Supplier & Global Exporter

📧 Email: mengling@khonorchem.com

📞 Tel/WhatsApp/WeChat: +86-19851820586

🌏 WhatsApp：https://wa.me/8619851820586