Urea Ammonium Nitrate (UAN) Solution
CAS Number: 6484-52-2
Urea ammonium nitrate (UAN) solution is a liquid nitrogen fertilizer containing urea, ammonium nitrate, and water in a clear homogeneous solution, available in 28%, 30%, and 32% N concentrations. It delivers three forms of nitrogen (nitrate, ammonium, and urea) for both immediate and sustained nitrogen availability to crops. UAN is widely used in side-dress, top-dress, fertigation, and foliar application programs, and is compatible with herbicides and micronutrients for multi-input tank mixing.
Technical Specifications
| pH | 7.0–8.5 |
| appearance | Clear, colorless liquid |
| specific gravity | 1.28–1.32 |
| urea nitrogen (%) | 12–16 |
| total nitrogen (%) | 28–32 |
| nitrate nitrogen (%) | 7–9 |
| ammonium nitrogen (%) | 7–9 |
Applications
- Corn and small grain topdress liquid nitrogen application
- Fertigation nitrogen source in drip and pivot irrigation
- Herbicide and fertilizer tank-mix liquid nitrogen carrier
- Foliar nitrogen supplementation during critical growth stages
- Pre-plant liquid nitrogen soil application
Key Features
- Triple nitrogen source for both immediate and sustained N delivery
- Easy liquid handling, metering, and blend compatibility
- Compatible with herbicides, fungicides, and micronutrient additions
- Multiple N concentrations (28-32%) for logistics optimization
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CAS Number
6484-52-2
Category
Agricultural / Crop ChemicalsAvailability
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