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Oil Red O
Chemical compound / From Wikipedia, the free encyclopedia
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Oil Red O (Solvent Red 27, Sudan Red 5B, C.I. 26125, C26H24N4O) is a lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections. It has the appearance of a red powder with an absorbance maximum at 518 nanometers.[1]
Quick Facts Names, Identifiers ...
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![]() Differentiated adipocytes in a 3T3-L1 cell line stained with Oil Red O | |
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IUPAC name
1-(2,5-dimethyl-4-(2,5-dimethylphenyl) phenyldiazenyl) azonapthalen-2-ol | |
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ECHA InfoCard | 100.013.906 ![]() |
MeSH | oil+red+O |
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CompTox Dashboard (EPA) |
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Properties | |
C26H24N4O | |
Molar mass | 408.49496 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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