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N-(n-Butyl)thiophosphoric triamide (NBPT)


Formula:
C4H14N3PS Molecular weight:167.2  CAS No:94317-64-3

Character:
White to off-white powder, melting point: 56-60℃; very soluble in halohydrocarbon, insoluble in water.


Product Usage:
As an important urease inhibitor, NBPT is one of the most successful additives utilized to increase the efficiency of urea-based fertilization, prevent the loss of ammonia nitrogen.


Mechanism of action:
Inhibit the activity of urease and slow down the conversion from urea to NH4+, hold N by urea form in a long term. It will decrease the concentration of NH4+ in soil solution, reduce potential volatilization loss and prevent harm to seedlings.


The most suitable concentration to add: 0.2% of total urea nitrogen.

Packaging, storage and transportation:
25 kg cardboard drum, 500 kg bag or according to customer requirements.
 

Quality Index:

Items  

Specification

Appearance

White To off-white crystalline solids

Identification

by IR

Melting Range

56-60℃

Loss on Drying

≤1.0%

Assay by HPLC

≥97.0%


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