THYMOLPHTHALEIN MONOPHOSPHATE DISODIUM SALT(CAS: 28749-63-5)

Thymolphthalein Monophosphate Disodium Salt is a crystalline compound with a low molecular weight. It exhibits pH-indicating properties and is slightly soluble in water. Chemically, it is stable under normal conditions but reacts with strong acids. Its solubility in organic solvents is limited, and it is often used in analytical chemistry for pH measurements.

Thymolphthalein Monophosphate Disodium Salt is synthesized by first preparing the thymolphthalein dye and then reacting it with monophosphoric acid in the presence of sodium hydroxide. The reaction involves the substitution of a hydrogen atom with a phosphate group and subsequent neutralization with sodium ions, yielding the disodium salt. The process requires careful temperature control and the use of appropriate solvents.

Thymolphthalein Monophosphate Disodium Salt is widely used in the pharmaceutical industry for pH indicators in tablets and capsules. It is also utilized in the dye industry for its color-stabilizing properties. Additionally, it finds applications in the analytical chemistry sector for pH testing and in educational settings for teaching chemical principles.

When handling Thymolphthalein Monophosphate Disodium Salt, ensure proper personal protective equipment (PPE) such as gloves and goggles. Work in a well-ventilated area or fume hood to avoid inhalation. Store the compound in a cool, dry place away from strong acids and bases. In case of spills, neutralize with a basic solution and clean up using appropriate waste disposal methods. Always consult the Safety Data Sheet (SDS) for detailed handling instructions.