Structural data confirmation

1.H-NMR: The data of structure are identical with reference standard

2.HPLC/GC-MS: Ensure the molecular weight of main peak and fragment peak are identical with reference standard

3.IR: The data of IR are identical with reference standard

Loss on drying

≤0.5%

Residue on ignition

≤0.2%

Heavy metals

≤10 ppm

Water

≤1.0%

Inorganic salt

≤0.1%

Related impurities

Specific single impurity

Meets Food additive grade

Non-specific single impurity

≤0.10%

Total Impurities

≤0.50%

Assay

≥99.0%

Conclusion

Meets Food additive grade standard