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4-Nitrophenyl Phosphate (4-NPP)

di-Tris salt

For further processing only.

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Order information
4-Nitrophenyl Phosphate (4-NPP) material number and pack size:
Material Number Pack Size
10270857103 custom fill
Will be supplied as "4-Nitrophenyl Phosphate, Di-Tris Salt". Unit of measure is "kg".
Substrate for alkaline phosphatase
Use 4-Nitrophenyl Phosphate in diagnostic test for the determination of alkaline phosphatase according to the recommendations of the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC).
Formula: C6H4NO6P(C4H12NO3)2
Molecular weight: 461.3 D (4-NPP: 219.1 D)
Appearance: White to slightly yellow, crystalline powder
Solubility: Clear, colorless to slightly yellow solution in water
4-NPP, di-Tris (from content found enzymatically): ≥88%
4-NPP (enzymatic): ≥42%
Tris (titrimetric): ≥46%
Water (K. Fischer): ≤6%
4-NP free: ≤0.07%
Reaction rates (alkaline phosphatase): 100±5%
Stability: At +2 to +8°C within specification range for 24 months. Store dry. Protect from light.