Hydroquinone(photographic grade) Molecular formula: 1, 4-c6h4(oh)2 Molecular weight: 110.12 Applications: widely used in photograph, dyes, rubber, pesticide, chemistry, pharmaceutical, polymer polymerization inhibitor, desulfurization in fertilizers, urea synergist, antioxidant, chemical analytical reagent etc. Package: 25 kg kraft paper bag with two plastic bags inside. Storage: stored in cool, dry and ventilated place, keep from sunshine.