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Titan yellow

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Title: Titan yellow  
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Subject: Yellow, List of dyes
Publisher: World Heritage Encyclopedia

Titan yellow

Titan yellow
CAS number 1829-00-1 YesY
PubChem 73217
ChemSpider 65972
Jmol-3D images Image 1
Molecular formula C28H19N5Na2O6S4
Molar mass 695.720 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Titan yellow is a compound with formula C28H19N5Na2O6S4. It is a triazene dye used as a stain and fluorescent indicator in microscopy.[1] It is also used as a reagent for the detection of magnesium.[1] As an acid-base indicator, it changes color from yellow to red between pH 12 and pH 13.[1]


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