Specifications Table

Product Name – Diammonium hydrogen phosphate (ammonium phosphate dibasic) LR
Quantity/Pack Size – 500 g
Form – Crystalline powder
Grade – LR (Laboratory Reagent)
Application – Buffer preparation, fertilizer analysis, chemical synthesis

Product Overview

Diammonium hydrogen phosphate (DAP), also known as ammonium phosphate dibasic, is a highly water-soluble crystalline salt widely used in laboratory settings. This LR (Laboratory Reagent) grade chemical offers consistent purity and reliable performance for critical applications. Its balanced nitrogen and phosphorus content makes it particularly valuable in analytical chemistry, where precise stoichiometric ratios are essential. The compound’s excellent solubility ensures rapid dissolution in aqueous solutions, facilitating efficient reaction kinetics. As a weak base, it helps maintain stable pH levels in buffer systems, making it indispensable for biochemical assays. The LR grade designation guarantees low impurity levels, minimizing interference in sensitive analytical procedures. This particular formulation meets stringent quality standards, ensuring batch-to-batch consistency for reproducible results. The crystalline form provides easy handling and accurate weighing, while its hygroscopic nature requires proper storage to maintain quality. This versatile chemical serves as a fundamental reagent in numerous laboratory protocols, offering researchers a dependable building block for their experimental work.

FAQs

1. What is the typical solubility of diammonium hydrogen phosphate in water?

This compound exhibits excellent water solubility, with approximately 580 g/L at 20°C, allowing for easy preparation of concentrated solutions.

2. How does this LR grade differ from technical grade ammonium phosphate?

The LR grade features significantly lower impurity levels and tighter quality control compared to technical grade, making it suitable for analytical applications where precision is critical.

3. Can this be used as a pH buffer component?

Yes, its amphoteric nature allows it to function effectively in buffer systems, particularly in the pH range of 7.2-8.0 when combined with appropriate acids.

4. What storage conditions are recommended for maintaining quality?

Store in a cool, dry place with the container tightly sealed to prevent moisture absorption, which could affect the compound’s purity and performance.

5. Is this compound compatible with common laboratory glassware?

It is fully compatible with standard borosilicate glassware and most plastic labware, though prolonged contact with metals should be avoided to prevent potential contamination.