Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.

酞酐避光剂，对紫外线具有保护功效，可治疗日光性皮炎，湿疹。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

调查报告中说，法国家居中普遍化学污染物是甲醛、乙醛、酞酸盐和敌敌畏。