P D Navkar Bio-Chem Pvt. Ltd manufactures Tertiary Butyl Hydroquinone. P D Navkar Bio-Chem Pvt. Ltd is GMP as well as ISO 9001, ISO 22000 and ISO 14001 certified company. The Company also manufactures high - quality food and flour additives, micronutrients and quality chemicals. The Tertiary Butyl Hydroquinone is used as an antioxidant. This Tertiary Butyl Hydroquinone has molecular weight of 166.22. This Tertiary Butyl Hydroquinone is a white crystalline solid. This Tertiary Butyl Hydroquinone is available in various grades.