Customization: | Available |
---|---|
CAS No.: | 59-30-3 |
Formula: | C19h19n7o6 |
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Product Name
|
Vitamin B9 / Folic Acid
|
CAS
|
59-30-3
|
EINECS
|
200-419-0
|
Appearance
|
yellow crystalline powder or oil
|
MF
|
C19H19N7O6
|
MW
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441.40
|
Purity
|
99%,98% Vitamin B9
|
Storage
|
Keep in a cool, dry, dark location
|
Shelf Life
|
24 months when properly stored
|
Test | Standards | Results | |
Characteristics | A yellowish or orange, crystalline powder. Practically insoluble in water and in most organic solvents. It dissolves in dilute acids and in alkaline solutions. | A yellowish crystalline powder. Practically insoluble in water and in most organic solvents. It dissolves in dilute acids and in alkaline solutions. | |
Identification | A: Specific optical rotation | +18 to +22 (anhydrous substance) | 19.2 |
B:HPLC chromatograms | Complies | Complies | |
C:TLC Identification | Complies | Complies | |
Related substance | Impurity Anot more than 0.5% | 0.4 | |
Impurity D not more than 0.6% | 0.5 | ||
any other impurity not more than 0.5% | 0.4 | ||
Total of other impurity not more than 1.0% | 0.8 | ||
UV absorption ratio | A256/A365:2.80-3.0 | 2.90 | |
Free amines | NMT 1/6 | 1/7 | |
Organic volatile impurities | Conforms | Conforms | |
Chromatographic purity | Not more than2.0% | 1.74% | |
Sulphated ash | Not more than 0.2% | 0.13% | |
Lead | 2ppm Max | Conforms | |
Total plate count | 1000CFU/g Max | 25CFU/g | |
Particle size | 100% pass 100mesh | Conforms | |
Salmonella | Absent | Conforms | |
E Coli | Absent | Conforms | |
Water | 5.0 %- 8.5 % | 7.5% | |
Assay(HPLC) | 97.0-102.0%(anhydrous basis) | 97.2% | |
Conclusion : Complies with BP2002/USP28 |