4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP) 98+%

Supplier: Thermo Scientific

ACRO128860500EA 267 EUR
ACRO128860500 ACRO128860100
4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP) 98+%
4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP)
Formula: C₆H₄NNa₂O₆P·6H₂O
MW: 371,144 g/mol
Melting Pt: >300 °C
Storage Temperature: Freezer
MDL Number: MFCD00066288
CAS Number: 333338-18-4

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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
UV at 245 nm A: ≤0.046
Color scale ≤10 APHA
Residue after evaporation ≤0.0003 %
Acidity ≤0.0002 meq/g

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