4,4'-Diphenoxybenzophenone
- CAS NO.：14984-21-5
- Empirical Formula: C25H18O3
- Molecular Weight: 366.41
- MDL number: MFCD00077969
- EINECS: 403-390-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-10-26 10:25:28
What is 4,4'-Diphenoxybenzophenone?
Chemical properties
4,40 -Diphenoxydiphenyl ketone, mp 148℃, bp 270℃, is a colorless solid, that is insoluble in water and soluble in organic solvents.
The Uses of 4,4'-Diphenoxybenzophenone
4,4' -Diphenoxybenzophenone is used exclusively for the production of highperformance plastics, e.g., by Friedel – Crafts reaction with aromatic dicarboxylic acid chlorides, such as terephthalic acid dichloride. The plastics display a series of industrially interesting properties, such as long-term heat resistance up to 270℃, fire-extinguishing properties, and high chemical- and solvent resistance. The polymer is worked by injection molding or spinning.
Preparation
4,4' -Diphenoxydiphenyl ketone is produced from diphenyl ether and phosgene in the presence of aluminum chloride as catalyst. It may also be prepared by the catalyzed atmospheric oxidation of 4,40 -diphenoxydiphenylmethane or the reaction of diphenyl ether, tetrachloromethane, and aluminum chloride.
Properties of 4,4'-Diphenoxybenzophenone
| Melting point: | 148-150°C |
| Boiling point: | 514.4±35.0 °C(Predicted) |
| Density | 1.186±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| color | Off-white |
| BRN | 2165449 |
| CAS DataBase Reference | 14984-21-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Methanone, bis(4-phenoxyphenyl)-(14984-21-5) |
| EPA Substance Registry System | Methanone, bis(4-phenoxyphenyl)- (14984-21-5) |
Safety information for 4,4'-Diphenoxybenzophenone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,4'-Diphenoxybenzophenone
New Products
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