4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP) 98+%
Supplier: Thermo Scientific Chemicals
Certificates
About this item
CAS Number:333338-18-4
:4264-83-9
Formula:C₆H₄NNa₂O₆P·6H₂O
MDL Number:MFCD00066288
Melting Pt:>300 °C
:371.144 g/mol
Storage Temperature:Refrigerator
EINECS:224-246-5
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Specification Test Results
- Appearance:White to light yellow Crystalline powder or crystals
- Infrared spectrum:Conforms
- Water:27.5 to 31.0 % (K.F.)
- Solubility:(5 % in water) Clear
- HPLC:≤0.1 % free 4-nitrophenol
- Titration with HClO4:98.0 to 102.0 %
- UV:at 220 nm A: ≤0.301
- Color scale:≤10 APHA
- Residue after evaporation:≤0.0003 %
- Acidity:≤0.0002 meq/g