Ascorbic Acid (L-Ascorbic Acid), USP, Food Grade

Wintersun code:01-022
CAS Number:50-81-7
Molecular Formula:C6H8O6
Molecular Weight:176.13

Sales specification

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

Packing

In 25KG per carton