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Dowtherm® A

ALDRICH/44570 - eutectic mixture of 26.5% diphenyl + 73.5% diphenyl oxide

Synonym: Diphyl

MDL Number: MFCD00148859
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-44570-1L 1 L
 $186.00
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InChI 1S/C12H10O.C12H10/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12;1-3-7-11(8-4-1)12-9-5-2-6-10-12/h1-10H;1-10H
InChI key MHCVCKDNQYMGEX-UHFFFAOYSA-N
mp 12-14 °C (lit.)
refractive index n20/D 1.590
SMILES string c1ccc(cc1)-c2ccccc2.O(c3ccccc3)c4ccccc4
Application: Dowtherm® A can be used as a high boiling solvent in cyclization reactions. For example, it is used to synthesize:      
• 1-Hydroxy-5-methoxy-1,2-dihydrobenzo[f][2,7]naphthyridines from 2-chloro-3-formyl quinolines.     
• Isoindolinone derivatives via intramolecular Diels–Alder cycloaddition reactions of substituted pyridazines.
• Phosphorylated azaheterocycles from 2-diethoxyphosphoryl-3-methoxyacrylate via intramolecular cyclizations under thermal conditions.
General description: Dowtherm® A is a thermally stable organic heat transfer fluid composed of a eutectic mixture of highly stable compounds, biphenyl, and diphenyl oxide. Dowtherm® A is suitable for high-temperature heat transfer applications up to 400 °C. This fluid can be used in both liquid and vapor phase systems.
Legal Information: DOWTHERM is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
Packaging: 1 L in glass bottle
mp 12-14 °C (lit.)
Refractive Index n20/D 1.590
UNSPSC 12352100

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