Mg 4.0-4.8% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Desiccated Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 14 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
This compound is a mixture of magnesium stearate and magnesium palmitate.
Magnesium stearate (Mg-St) is the magnesium salt of stearic acid. Its anhydrate, dihydrate and trihydrate forms have been prepared. The tabletting of the blends of magnesium stearate and lactose granules has been described. The influence of mixing time on hardness, disintegration time and ejection force on the compressed tablets was examined. Mg-St is widely used lubricant in pharmaceutical industry. It also plays a role in delaying the process of dissolution. Its detection in tablets by laser-induced breakdown spectroscopy has been proposed.
Magnesium stearate, the salt of stearic acid, is widely employed as an inactive component in making pharmaceutical tablets.
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Lipids and lipid-like molecules |
| Class | Fatty Acyls |
| Subclass | Fatty acids and conjugates |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Long-chain fatty acids |
| Alternative Parents | Straight chain fatty acids Carboxylic acid salts Monocarboxylic acids and derivatives Carboxylic acids Organic salts Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Not available |
| Substituents | Long-chain fatty acid - Straight chain fatty acid - Carboxylic acid salt - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. |
| External Descriptors | magnesium salt |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 F2518291 | Certificate of Analysis | Jul 01, 2025 | M774289 |
| F2518357 | Certificate of Analysis | Jul 01, 2025 | M774289 |
| F2518433 | Certificate of Analysis | Jul 01, 2025 | M774289 |
| F2518434 | Certificate of Analysis | Jul 01, 2025 | M774289 |
| Solubility | Slightly soluble in benzene. Insoluble in water, alcohol and ether. |
|---|---|
| Molecular Weight | 591.200 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 30 |
| Exact Mass | 590.512 Da |
| Monoisotopic Mass | 590.512 Da |
| Topological Polar Surface Area | 80.300 Ų |
| Heavy Atom Count | 41 |
| Formal Charge | 0 |
| Complexity | 196.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 3 |
