Erlotinib intermediates manufacturer
1. Product Name: Vitamin C/Ascorbic Acid
2. CAS NO: 50-81-7
3. Application:
Vitamin C is widely used in many fields such as food , beverage, breeding and forage additives. Its main functions reflected in following 5 aspects:
1) Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2) Prevent formation of nitrous amine from nitrous acid in meat products.
3) Improve dough quality and make baked food expand to its maximum.
4) Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5) Used as nutritional element in additives,Feed additives.
4. Sample: With Free
5. Specification:
| Product Name | ASCORBIC ACID ( Vitamin C ) |
| Analysis Standard: | BP2015/USP37 |
| Shelf Life | 3 Years |
| Net/Gross Weight | 25.0KGS/26.5KGS |
| Contents | Standard |
| Characteristics | White or almost White crystals Crystalline Powder |
| Identification | Positive Reaction |
| Melting Point | About 190°C |
| PH | 2.1-2.6 |
| Clarity Of Solution | Clear |
| Colour Of Solution | ≤BY7 |
| Copper | ≤5ppm |
| Heavy Metals | ≤10ppm |
| Mercury | <0.1mg/kg |
| Lead | <2mg/kg |
| Arsenic | ≤3ppm |
| Cadmium(Cd) | <1mg/kg |
| Oxalic Acid | ≤0.2% |
| Iron | ≤2ppm |
| Loss of Drying | ≤0.4% |
| Sulphate Ash(Residue On Ignition) | ≤0.1% |
| Specific Optical Rotation | +20.5°–+21.5° |
| Organic Volatile Impurities | Pass |
| Assay | 99.0%-100.5% |
| Residual Solvents | Methanol:≤3000 ppm |
| Total plate count | ≤1000 cfu/g |
| Yeasts& molds | ≤100 cfu/g |
| Escherichia coli | Negative in 1g |
| Conclusion | The Above-Mentioned Product Conforms To BP2015/USP37 |
