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Technical Phosphates

UP

Urea Phosphate

17-44-0

Acidic, fully water-soluble nitrogen-phosphorus fertilizer for saline-alkali soil improvement and precision fertigation.

Product Overview

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.

Key Information
Product Code
TP-004
Chemical Formula
CO(NH2)2·H3PO4
CAS Number
4861-19-2
HS Code
3105 59 00
EC Number
225-464-3
Molecular Weight
158.05
Appearance
White crystalline powder
Solubility (20℃)
Highly soluble in water
pH (1% Solution)
1.6 - 2.0

Typical Specifications

Key Information
Specification
Typical Value
N
17%
17%
P₂O₅
44%
44%
Solubility
Fully water-soluble
Fully water-soluble
pH
1.6–2.0
1.6–2.0

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.

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.
Soil Application
Applied directly to soil to improve nutrient availability and support healthy crop development.
High pH Soil Management
Suitable for maintaining nutrient availability in alkaline and calcareous soils.

Documentation & Resources

TDS

Technical Data Sheet

SDS

Safety Data Sheet

Verified Customer Access

COA

Certificate of Analysis

Verified Customer Access

Brochure

Brochure

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