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Technical Phosphates

TDAP

Technical Diammonium Phosphate

21-53-0

Technical-grade diammonium phosphate for high-analysis phosphate nutrition, formulation and industrial use.

Product Overview

TDAP (Technical Diammonium Phosphate) is a concentrated nitrogen-phosphorus phosphate material with good solubility and a higher pH profile than monoammonium phosphate. It is used in fertilizer manufacturing, water-soluble blends and technical phosphate applications requiring ammonium nitrogen and highly available phosphorus.

It is suitable for customers seeking reliable phosphate input materials for formulation, distribution and integrated production.

Key Information
Product Code
TP-003
Chemical Formula
(NH4)2HPO4
CAS Number
7783-28-0
HS Code
3105 30 00
EC Number
231-987-8
Molecular Weight
132.06
Appearance
White crystalline powder
Solubility (20℃）
Approx. 580 g/L water at 20°C
pH (1% Solution)
7.5 - 8.5

Typical Specifications

Key Information
Specification
Typical Value
N
21%
21%
P₂O₅
53%
53%
Solubility
Fully water-soluble
Fully water-soluble
pH
7.5–8.5
7.5–8.5

Specification Note

The specifications shown above are provided as general reference values for product identification and technical evaluation. Due to differences in production processes, raw material sources, formulation systems, application methods and end-use requirements, certain detailed parameters may vary slightly by batch or by specific application scenario. For complete technical information, please download the corresponding TDS and COA documents below.

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For special applications, customized specifications, regulatory requirements or market-specific documentation, please contact our sales team for further confirmation and technical support.

Applications

Fertigation
Suitable for drip irrigation, sprinkler systems and precision nutrient delivery through irrigation water.
Foliar Spray
Rapid nutrient absorption through leaves to support crop growth, flowering, fruit set and quality improvement.
NPK Manufacturing
Raw material for the production of water-soluble fertilizers and specialty NPK formulations.
Industrial Processing
Suitable for industrial phosphate applications and specialty manufacturing processes.

Documentation & Resources

TDS

Technical Data Sheet

SDS

Safety Data Sheet

COA

Certificate of Analysis

Brochure

Brochure

Related Products

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UP

UP (Urea Phosphate) is a highly water-soluble acidic nitrogen-phosphorus fertilizer formed from urea and phosphoric acid. Its strong acidity makes it valuable in fertigation systems where pH adjustment, phosphorus availability and irrigation line maintenance are important. It is especially suitable for saline-alkali soil improvement, drip irrigation, fertigation and crops requiring efficient phosphorus supply under challenging soil conditions.

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TMAP

TMAP (Technical Monoammonium Phosphate) is a high-analysis nitrogen-phosphorus phosphate with excellent water solubility. It can be used as a technical phosphate raw material, as a component in water-soluble fertilizer production and as a direct fertilizer input where fast-available phosphorus and ammonium nitrogen are required. Golden Raven positions TMAP as both a technical phosphate and a practical ingredient for customized fertilizer systems.

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MKP

MKP (Monopotassium Phosphate) is a highly pure, water-soluble fertilizer containing phosphorus and potassium in readily available form. It is widely used in fertigation, foliar spray and hydroponic cultivation to promote root development, flowering, fruit set and improve yield and quality. Its low salt index and acidifying effect make it ideal for a wide range of crops and soil conditions.
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