Ascorbic Acid USP/FCC is used in the Food and beverage industry as a preservative, antioxidant, and flavoring agent in various products such as fruit juices, soft drinks, and breakfast cereals. It is also used in Skincare and cosmetics as an active ingredient in anti-aging products and to brighten and even out skin tone. It is used in Water treatment as a reducing agent to remove chlorine and other chemicals from water. Ascorbic Acid can also be used in Photography: as a developing agent in film and photography. It is used in Horticulture as a plant growth enhancer and to protect plants from environmental stress. Ascorbic Acid is also used in cleaning products as a stain remover. It is also used to remove rust from metal surfaces. Sales Specifications Appearance: White crystalline powder Identification: Positive Clarity of Solution: Clear Color of Solution: BY7 Assay: 99.0 -100.0% Loss on Drying: 0.4% Residue on Ignition: 0.1% Sulfate Ash: 0.1% Specific Rotation: +20.5 ~ +21.5 pH(with 2% water solution): 2.4 - 2.8 pH(with 5% water solution): 2.1 -2.6 Melting Range: about 190C Heavy Metals: 3ppm Iron: 2ppm Copper: 5ppm Oxalic Acid: 0.2% Arsenic: 1ppm Lead: 2ppm Cadmium: 1ppm Mercury: 1ppm Organic Volatile Impurities: Meets the Requirements Related Substances: ImpurityC 0.15% ImpurityD 0.15% Any Other Unspecific Impurities Impurity 0.10% Total Impurity 0.2% Total Plate Count: 1,000cfu/g According to BP2010, E300, USP32, FCC7, EP7 Packing 55.12 LB per carton, 40 cartons per pallet