Ascorbic Acid, USP/FCC

Applications
Ascorbic Acid USP Food Grade 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 190°C
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