4-Nitrophenyl Phosphate Disodium Salt Hexahydrate is a well-characterized compound with the molecular formula C6H6NO6P and a molecular weight of 219.09. It belongs to the class of organic compounds containing nitro groups and phosphorus atoms. This compound serves as a substrate in enzyme-linked immunosorbent assays (ELISAs), particularly for the alkaline phosphatase enzyme. During the reaction, a soluble, yellow product is produced and can be detected photometrically at 405 nm wavelength. As with many chemicals, it carries a Warning signal word due to potential harm if swallowed.

• CAS Number: 4264-83-9
• Exact Mass: 218.99327391
• Molecular Weight: 219.09
• GHS Signal Word: Warning
• Molecular Formula: C6H6NO6P
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]