CAS No. 59-30-3
Product Name: Folic Acid
Chemical Name: N-4-[(2-amido-4-oxo-1, 4-dihydro-6-terene)methylamino]benzoyl-L-glutamic acid
Other Name: Vitamin B9
CAS: 59-30-3
M. F.: C19H19N7O6
M. W.: 441.40
Properties:
Yellow or Orange yellow crystalline powder, odorless and tasteless. Heat up to about 250centigrade degree, color becomes darker gradually till finally becomes black jelly. Barely soluble in water and ethanol, slightly soluble in methanol and sparingly soluble in acidic or alkaline solution.
Uses: Feed additive, food additive, pharmaceutical.
| TEST ITEMS | SPECIFICATIONS | TEST RESULTS |
| Appearance | Yellowish or orange crystalline powder | Yellowish crystalline powder |
| Specific Rotation | +18 ~ +22 o | 19.2 o |
| Ultraviolet Absorption | A256/A365=2.80 ~ 3.0 | 2.92 |
| Chromatograms (HPLC) | Conforms | Conforms |
| Identification (TLC) | Conforms | Conforms |
| Related Substance | Impurity A: ≤0.5% Impurity D: ≤0.6% Other impurity: ≤0.5% Total impurity: ≤1.0% |
0.4 0.5 0.4 0.7 |
| Free Amines | ≤1/6 | <1/6 |
| Chromatographic purity | ≤2.0% | 1.72% |
| Loss on drying | 5.0% ~ 8.5% | 7.7% |
| Residue on ignition | ≤0.2% | 0.13% |
| Organic volatile impurities | Meet the requirements | Meet the requirements |
| Assay (on dried basis) | 96.0 ~ 102.0% | 97.30% |
| Conclusion: This batch complies with BP2005/ USP30 and in-house specifications | ||
| Storage: Preserve in well-closed, light-resistant containers | ||
| Shelf life: 48 months | ||
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