4-Aminophenyl Phosphate (pAPP)
disodium salt, powder
For further processing only.
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4-Aminophenyl Phosphate (pAPP) material number and pack size: Material Number Pack Size 05642965103 custom fill
- Use 4-Aminophenyl Phosphate (pAPP), Disodium Salt as substrate for alkaline phosphatase.
Molecular weight: 211.09 D Appearance: Off white to brownish powder
Solubility: Clear, fawn to brownish solution in water (c=100 mg/mL)
pH value: 7.0-8.0
ESI-MS: 188.011±0.005 D
pAPP (HPLC): ≥90 area%
Water (K. Fischer): ≤15%
Na (flame photometric): 15-21%
p-Nitrophenylphosphate (HPLC): ≤0.3 area%
Pi (acid labile): ≤0.5%
Stability: At +2 to +8°C within specification range for 24 months. Protect from light.