DeltaLent Active N
Nitrification inhibitor (DMPP)Ready-to-use, concentrated nitrification inhibitor for fertilizers with a high ammonium content. It delays the conversion of ammonium to nitrate.
- Formulation
- Ready-to-use concentrated liquid (colored solution)
- Active ingredient
- DMPP (3,4-dimethylpyrazole phosphate)
- Main targets
- AS, ASN, DAP, MAP, CAN, urea, NPK, UAN, blends, slurries, digestates
- Concentration / Content
- DMPP 25% w/w
- Bulk Commercial Supply
- Full Technical Dossier
- Custom Formulations
Available formulations
DeltaLent Active N is supplied as a ready-to-use 25% DMPP solution. Lower-strength 18% and 13% solutions are also available.
Can't find the formula you are looking for? Our team creates custom formulas tailored to your crop's requirements.
Agronomic advantages
What DeltaLent Active N delivers, based on the DeltaChem product data.
Prolonged nitrogen availability
Delays the conversion of ammonium to nitrate, so nitrogen stays available for longer.
Reduced nitrogen loss
Helps limit nitrogen losses from ammonium-containing fertilizers.
Up to 45% lower N₂O emissions
Reduces nitrous oxide emissions by up to 45%.
Better uptake of P and micronutrients
Improves the uptake of phosphorus and micronutrients (Fe, Zn, Mn, B).
Non-corrosive
Non-corrosive concentrate.
Not dangerous goods
Not classified as dangerous goods.
Science & mode of action
How DMPP keeps nitrogen available for longer.
Mode of action: nitrification inhibition
DMPP (3,4-dimethylpyrazole phosphate) delays the conversion of ammonium to nitrate in the soil. Nitrogen stays in the ammonium form for longer, which prolongs nitrogen availability and reduces nitrogen losses. DeltaLent Active N is a ready-to-use, concentrated 25% DMPP solution for fertilizers with a high ammonium content.
How DMPP worksSpecifications & dosage
Key technical characteristics and recommended dosage of DeltaLent Active N.
| Parameter / Component | Specification |
|---|---|
| Active ingredient | DMPP (3,4-dimethylpyrazole phosphate), 25% w/w liquid solution |
| Total N | 15.8% w/w |
| P₂O₅ | 9.2% w/w |
| pH | 3.9 |
| Density | 1.2 kg/L |
| Appearance | Colored solution |
| Form | Ready-to-use liquid |
| Other strengths | 18% and 13% solutions also available |
| Target fertilizers | AS, ASN, DAP, MAP, CAN, urea, NPK, UAN, blends, slurries, digestates |
| Packaging | 10–20 L cans, 1000 L IBC |
| Regulatory | EU Regulation 2019/1009 (agronomic additive, PFC 5). REACH registered (EC 424-640-9). Not classified as dangerous goods. SDS on request. Professional use only. |
Dosage
| NH₄⁺ / NH₂ content of the fertilizer | Product (kg per tonne) | Product (L per tonne) |
|---|---|---|
| 15% | 4.8 | 4.0 |
| 20% | 6.4 | 5.3 |
| 25% | 8.0 | 6.7 |
| CAN 27 (13.5%) | 4.3 | 3.6 |
Dosage per tonne of fertilizer for the 25% DMPP product, by NH₄⁺/NH₂ content. Please ask us for other contents.
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