General Information
| CAS Number | Molecular Formula | Molecular Weight |
|---|---|---|
| 9001-73-4 | NA | NA |
Sales Specification:
| Parameter | Folic Acid IP | Folic Acid FCC | |
|---|---|---|---|
| Assay | 95.0% to 102.0% | 95.0% to 102.0% | Solubility | Soluble in dilute acids and in alkaline solutions
very slightly soluble in boiling water;
practically insoluble in cold water and in most organic solvents
|
Soluble in dilute acids and in alkaline solutions;
very slightly soluble in boiling water;
>practically insoluble in cold water and in most organic solvents
|
| Water | 5.0 to 8.5 % | 5.0 to 8.5 % | Sulphated ash | NMT 0.5% | NMT 0.5% | Identification | When examined in the range 230 nm to 380 nm, a 0.001 % w/v solution in 0.1 M sodium hydroxide shows three absorption maxima, at about 256 nm, 283 nm and 365 nm; absorbance at about 256 nm, about 0.59 at about 283 nm, about 0.575 and at about 365 nm, about 0.206 | When examined in the range 230 nm to 380 nm, a 0.001 % w/v solution in 0.1 M sodium hydroxide shows three absorption maxima, at about 256 nm, 283 nm and 365 nm; absorbance at about 256 nm, about 0.59 at about 283 nm, about 0.575 and at about 365 nm, about 0.206 |
| Related Substance | Impurity A | NMT 0.5% | NMT 0.5% |
| Impurity D | NMT 0.6% | NMT 0.6% | |
| Any other Secondary impurity | NMT 0.5% | NMT 0.5% | |
| Sum of area of all other secondary peak | NMT 1.0% | NMT 1.0% | |