Vitamin B6 (Pyridoxine Hydrochloride)
City: LV, Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | White or almost white crystalline powder | White or almost white crystalline powder |
Identification | Meets the requirements | Meets the requirements |
Assay | 99.0% ~ 101.0% | 99.7% |
Loss on drying | ≤0.5% | 0.03% |
Sulfated ash | ≤0.1% | 0.03% |
pH | 2.4 – 3.0 | 2.7 |
Related substances | Meets the requirements | Meets the requirements |
Chloride content | 16.9% ~ 17.6% | 17.2% |
Heavy Metals
Analysis Item | Specification | Result |
Heavy metals | ≤10 ppm | <10 ppm |
Arsenic | ≤1.0 ppm | <1.0 ppm |
Lead | ≤3.0 ppm | <3.0 ppm |
Cadmium | ≤1.0 ppm | <1.0 ppm |
Mercury | ≤0.1 ppm | <0.1 ppm |
Microbiological Tests
Analysis Item | Specification | Result |
Total plate count | ≤1000 CFU/g | <1000 CFU/g |
Molds & Yeast | ≤100 CFU/g | <100 CFU/g |
Storage Condition: Keep in cool and dry place. Preserve in tight, light-resistant containers.
Conclusion: Comply with USP standards