3,5,7-Trihydroxy-2-(4-hydroxyphenyl)chromenium chloride(CAS: 134-04-3)

3,5,7-Trihydroxy-2-(4-hydroxyphenyl)chromenium chloride (CAS: 134-04-3) is a crystalline compound with a molecular weight of approximately 344.26 g/mol. It has a low solubility in water but is soluble in organic solvents like ethanol and acetone. The compound exhibits limited reactivity, showing stability under neutral conditions. It can undergo photodegradation under UV light, making appropriate storage conditions necessary.

3,5,7-Trihydroxy-2-(4-hydroxyphenyl)chromenium chloride (CAS: 134-04-3) is typically synthesized via the reaction of 2-(4-hydroxyphenyl)-3,5,7-trihydroxychromenium bromide with potassium chloride in a polar aprotic solvent. The reaction is carried out under an inert atmosphere to prevent oxidation and side reactions, with a yield of up to 75%. The use of appropriate catalysts can enhance selectivity and yield.

3,5,7-Trihydroxy-2-(4-hydroxyphenyl)chromenium chloride (CAS: 134-04-3) is used in various industries, including pharmaceuticals for developing new drug candidates, sensors for environmental monitoring, and semiconductors for organic electronics. Its unique chemical structure makes it suitable for applications in polymer synthesis and as a photostable chromophore.

When handling 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)chromenium chloride (CAS: 134-04-3), it is essential to wear personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight. Handling should be conducted in a fume hood due to its potential to undergo photodegradation. In case of a spill, immediately clean up with appropriate absorbent materials and consult the Safety Data Sheet (SDS) for further instructions.