1,4-Phthalaldehyde

1,4-Phthalaldehyde (also known as terephthalaldehyde; CAS 623-27-8, molecular formula C8H6O2, MW 134.13) is a white powder with ≥99% assay, a melting point of 114-116°C, and water solubility of about 3 g/L at 50°C, used as an optical brightener and pharmaceutical/dye intermediate. Manufactured directly by Jinan Finer Chemical Co., Ltd. with an annual capacity of 500 metric tons and minimum packaging of 100 grams, it is produced to pharmaceutical-grade, in-house export standards and sold across North and South America, Europe, Australasia, Asia, the Middle East, and Africa.