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Description
Oil Red O is suitable as a lipid and lipoprotein stain on cellulose acetate. It is one of the diazo dyes used for staining of neutral triglycerides and lipids. It is used to analyze muscle fibers. It acts as an agent that stains lipids, muscle fibers and alveolar macrophages. Further, it is also used as marking dye. It is an active component of red colored smokes in pyrotechnics.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Oil Red O is suitable as a lipid and lipoprotein stain on cellulose acetate. It is one of the diazo dyes used for staining of neutral triglycerides and lipids. It is used to analyze muscle fibers. It acts as an agent that stains lipids, muscle fibers and alveolar macrophages. Further, it is also used as marking dye. It is an active component of red colored smokes in pyrotechnics.
Solubility
Soluble in ethanol:chloroform (1:1). Insoluble in water.
Notes
Incompatible with strong oxidizing agents.

Specifications
Specifications
Melting Point | ∼166°C (decomposition) |
Beilstein | 3491382 |
Solubility Information | Soluble in ethanol:chloroform (1:1). Slightly soluble in water. |
Formula Weight | 408.51 |
Quantity | 25 g |
Chemical Name or Material | Oil Red O |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
P26L027 | Certificate of Analysis | 28/03/2025 | A12989.22,A12989.14 |
M30L017 | Certificate of Analysis | 03/02/2025 | A12989.22,A12989.14 |
W27K004 | Certificate of Analysis | 05/10/2024 | A12989.22,A12989.14 |
W27K018 | Certificate of Analysis | 05/10/2024 | A12989.22,A12989.14 |
10250679 | Certificate of Analysis | 30/08/2024 | A12989.22,A12989.14 |
RUO – Research Use Only
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