Product |
D-Calcium Pantothenate (Vitamin B5) |
CAS No. |
137-08-6 |
Chemical Formula |
C18H32CaN2O10 |
Molecular Weight |
476.53 |
Molecular Structure |
|
Quality Standard |
USP40 |
Packing |
25kg per drum with inner PE bag |
Shelf Life |
3 years |
Specification |
Standard |
Appearance |
White to off-white powder |
Identification |
A: Infrared Absorption 197K B: A solution(1 in 20)responds to the test for Calcium |
Specific optical rotation |
+25.0°~+27.5° |
Alkalinity |
No pink color is produced within 5 senconds |
Loss on drying |
Not more than 5.0% |
Heavy metals |
Not more than 0.002% |
Ordinary impurities |
Not more than 1.0% |
Organic volatile impurities |
Meet the requirements |
Nitrogen content |
5.7%~6.0% |
Content of calcium |
8.2%~8.6% |
Assay |
98.0~101.0% |