4-Nitrophenyl phosphate disodium salt , 98% , 4264-83-9

Synonym(s):
p-Nitrophenyl Phosphate, Disodium Salt, Hexahydrate - CAS 4264-83-9 - Calbiochem;p-Nitrophenyl Phosphate, Disodium Salt, Tablets - CAS 4264-83-9 - Calbiochem;pNPP, 2Na;4-Nitrophenyl phosphate disodium salt solution;pNPP

CAS NO.：4264-83-9

Empirical Formula: C6H4NNa2O6P

Molecular Weight: 263.05

MDL number: MFCD00007319

EINECS: 224-246-5

PRODUCT Properties

• Melting point: >300 °C(lit.)
• Density: 1.751 at 20℃
• vapor pressure: 15Pa at 20-50℃
• storage temp.: -20°C
• solubility: H₂O: 1 tablet/3 mL 25 mM, clear, light yellow
• form: tablets
• color: white to pale yellow
• Water Solubility: Miscible with water. Immiscible with ethanol and acetone.
• BRN: 5324661
• Stability: Stable, but may be light sensitive. Incompatible with strong acids, strong bases, strong oxidizing agents.
• InChI: 1S/C6H6NO6P.2Na/c8-7(9)5-1-3-6(4-2-5)13-14(10,11)12;;/h1-4H,(H2,10,11,12);;/q;2*+1/p-2
• InChIKey: KAKKHKRHCKCAGH-UHFFFAOYSA-L
• SMILES: [Na+].[Na+].[P](=O)([O-])([O-])Oc1ccc(cc1)[N+](=O)[O-]
• LogP: -2.16 at 22℃ and pH6.7
• Surface tension: 69.34mN/m at 1.051g/L and 20℃
• CAS DataBase Reference: 4264-83-9(CAS DataBase Reference)
• EPA Substance Registry System: Phosphoric acid, mono(4-nitrophenyl) ester, disodium salt (4264-83-9)

Description and Uses

PNPP, Disodium Salt is a colorimetric alkaline phosphatase soluble substrate, p-Nitrophenyl Phosphate (pNPP) is the substrate of choice for use with alkaline phosphatase in Enzyme Linked Immunosorbant Assay (ELISA) procedures.

Safety

• Symbol(GHS): GHS05,GHS08
• Signal word: Danger
• Hazard statements: H290-H315-H318-H361fd-H373
• Precautionary statements: P202-P234-P280-P302+P352-P305+P351+P338-P308+P313
• Hazard Codes: Xi,Xn
• Risk Statements: 36/38-36/37/38-48/22-41-38-21/22
• Safety Statements: 26-36-24/25-23-36/37/39
• WGK Germany: 3
• F: 10-21
• TSCA: TSCA listed
• HS Code: 29199000
• Storage Class: 11 - Combustible Solids
• REACH Registrations: Active