n≈10 for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature 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 24 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Polyoxyethylene stearate is a neutral surfactant
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 acid esters |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Fatty acid esters |
| Alternative Parents | Carboxylic acid esters Monocarboxylic acids and derivatives Primary alcohols Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Fatty acid ester - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Primary alcohol - Organooxygen compound - Carbonyl group - Alcohol - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as fatty acid esters. These are carboxylic ester derivatives of a fatty acid. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D1607187 | Certificate of Analysis | Dec 20, 2023 | P113835 |
| D2319216 | Certificate of Analysis | Mar 15, 2023 | P113835 |
| D2319217 | Certificate of Analysis | Mar 15, 2023 | P113835 |
| D2319218 | Certificate of Analysis | Mar 15, 2023 | P113835 |
| D2319220 | Certificate of Analysis | Mar 15, 2023 | P113835 |
| D2319221 | Certificate of Analysis | Mar 15, 2023 | P113835 |
| D2319222 | Certificate of Analysis | Mar 15, 2023 | P113835 |
| Melt Point(°C) | 56.5-61.5°C |
|---|---|
| Molecular Weight | 328.500 g/mol |
| XLogP3 | 7.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 19 |
| Exact Mass | 328.298 Da |
| Monoisotopic Mass | 328.298 Da |
| Topological Polar Surface Area | 46.500 Ų |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 241.000 |
| 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 | 1 |
