Ammonium phosphate dibasic CAS 7783-28-0

Ammonium Phosphate Dibasic (CAS 7783-28-0) Ultimate User Guide 2025

1. Product Overview & Specifications

Chemical Name: Diammonium hydrogen phosphate

CAS No.: 7783-28-0

Molecular Formula: (NH₄)₂HPO₄

2. Industrial Applications

2.1 Fertilizer Production

Preferred nitrogen-phosphorus source for controlled-release fertilizers due to optimal N:P ratio (21-53-0).

2.2 Food Additives

USP-grade material used as:

• Dough conditioner (EEC No. E342)
• Yeast nutrient in brewing
• pH buffer in dairy products

3. Usage Guidelines

3.1 Agricultural Applications

Recommended Dosage: 200-400 kg/hectare for cereal crops. Always conduct soil testing for precise P requirement.

3.2 Pharmaceutical Grade Handling

Storage requirements: Maintain RH ≤45% at 15-25°C. Shelf life: 36 months in original packaging.

4. Verified Case Studies

4.1 Agritech Solutions Ltd. (India)

Challenge: Improve wheat yield in phosphorus-deficient soils (pH 7.8)
Solution: Applied 325 kg/ha DAP with micronized zinc sulfate
Result: 22% yield increase vs traditional SSP fertilizers

4.2 EuroBrew Technologies (Germany)

Application: Yeast nutrient in craft beer production
Implementation: 0.15-0.3% addition during wort boiling
Outcome: Fermentation time reduced by 18% with improved flavor profile

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