Fig. 1 · Structure
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Zinc stearate
Pharmaceutical Excipient
Zinc stearate, a zinc salt of stearic acid, serves as a pharmaceutical excipient known for its lubricating properties in the formulation of tablets and capsules. This compound enhances the stability, solubility, and processability of pharmaceutical preparations, playing a critical role as an inactive ingredient. Additionally, zinc stearate can influence the absorption, distribution, metabolism, and elimination (ADME) profiles of co-administered active pharmaceutical ingredients, making it valuable in drug development and formulation processes.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 557-05-1 |
| Applications | Pharmaceutical Excipient |
| Formula | C36H70O4Zn |
| Molecular Weight | 632.33 |
| Synonyms | Zinc octadecanoate |
| SMILES | CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.[Zn+2] |
Storage & Solubility
In Vitro Solubility
Reported Solubility
No reported solubility data are available for this product.
Preparing Stock Solutions
| Concentration | |
|---|---|
Values use four significant digits. Prepare to the final solution volume; this is not the volume of solvent to add.
Stock preparation is unavailable for this product molecular weight.
Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.
Storage
Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.