Welcome to Kolkata Chemical, your premier destination for top-quality Phthalic Anhydride products in India. As a trusted supplier, manufacturer, and distributor, we take immense pride in offering a diverse range of Phthalic Anhydride solutions that cater to various industries CAS NO: 85-44-9 Formula: C8H4O3 Product Description: Phthalic Anhydride, a white crystalline solid with a distinctive […]