Dowtherm® A
ALDRICH/44570 - eutectic mixture of 26.5% diphenyl + 73.5% diphenyl oxide
Synonym: Diphyl
MDL Number: MFCD00148859
Product Type: Chemical
| functional group | phenoxy |
| phenyl | |
| InChI | 1S/C12H10O.C12H10/c1-3-7- |
| InChI key | MHCVCKDNQYMGEX-UHFFFAOYSA |
| mp | 12-14 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | c1ccc(cc1)-c2ccccc2.O(c3c |
| 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 • Isoindolinone derivatives via intramolecular Diels–Alder cycloaddition reactions of substituted pyridazines. • Phosphorylated azaheterocycles from 2-diethoxyphosphoryl-3-me |
| 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 |
| Symbol | ![]() GHS07,GHS09 |
| Signal word | Warning |
| Hazard statements | H315 - H319 - H335 - H410 |
| Precautionary statements | P261 - P264 - P271 - P273 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi,N |
| Risk Statements | 36/37/38-50/53 |
| Safety Statements | 26-61 |
| RIDADR | UN 3082 9 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 12-14 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |



