ASCORBIC ACID, USP, FOOD GRADE
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
| Wintersun code: | 01-022 |
| CAS Number: | 50-81-7 |
| Molecular Formula: | C6H8O6 |
| Molecular Weight: | 176.13 |
INCI Name: Ascorbic Acid
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
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