Specification Sheet
Product Name
Magnesium stearate puriss., meets analytical specification of Ph. Eur., BP, ≥90% stearic and palmitic acid basis, ≥40% stearic acid basis (GC), 4.0-5.0% Mg basis (calc on dry sub.)
Product Number
26454
Product Brand
sial
CAS Number
557-04-0
Molecular Weight
591.24
Test | Specification |
|---|---|
| ASSAY | 4.0-5.0 % Mg (calc on dry sub.) |
| Assay | assay of stearic acid ≥ 40.0 % |
| Assay | assay of stearic and palmitic acid ≥ 90.0 % |
| LOSS ON DRYING | ≤ 6.0 % (105C) |
| ACIDITY OR ALKALINITY | Complying |
| RESIDUAL SOLVENTS | Complying |
| COMPOSITION OF FATTY ACIDS | Complying |
| MICROBIAL CONTAMINATION | Complying |
| PROOF OF IDENTITY | Complying |
| ACID VALUE | acid value (fatty acid) 195 - 210 |
| CADMIUM | ≤ 0.0003 % |
| NICKEL | ≤ 0.0005 % |
| LEAD | ≤ 0.001 % |
| CHLORIDE (CL) | ≤ 0.1 % |
| SULFATE (SO4) | ≤ 0.5 % |
| REMARKS | Identity, assay and impurities are complying to the monographs of the above mentioned pharmacopeias/codices |