4-(Dimethylamino)benzophenone
Synonym(s):p -Benzoyl-N ,N -dimethylaniline;4-Benzoyl-N ,N -dimethylaniline
- CAS NO.：530-44-9
- Empirical Formula: C15H15NO
- Molecular Weight: 225.29
- MDL number: MFCD00008311
- EINECS: 208-478-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:38
What is 4-(Dimethylamino)benzophenone?
Chemical properties
YELLOW CRYSTALLINE POWDER OR CRYSTALS
The Uses of 4-(Dimethylamino)benzophenone
4-(Dimethylamino)benzophenone is an important organic intermediate. It can be used in agrochemical, pharmaceutical and dyestuff field.
Synthesis Reference(s)
Synthesis, p. 544, 1986 DOI: 10.1055/s-1986-31696
Tetrahedron Letters, 34, p. 7595, 1993 DOI: 10.1016/S0040-4039(00)60409-4
Purification Methods
Crystallise the pale green p-dimethylaminobenzophenone from EtOH. Dissolve 100g in 600mL of boiling EtOH, add 5g of charcoal, cool, isolate the solid by centrifugation and similarly wash the pale crystals with ice-cold EtOH. When filtered by suction, EtOH solution remains on the crystals and turns deep green in air. Dry it in a vacuum and store it in the dark. The hydrazone has m 128-130o and forms a ketyl with potassium. [Hurd & Webb Org Synth Coll Vol I 217 1941, Beilstein 14 H 82, 14 I 288, 14 III 218, 14 IV 248.]
Properties of 4-(Dimethylamino)benzophenone
| Melting point: | 88-90 °C(lit.) |
| Boiling point: | 250 °C / 15mmHg |
| Density | 1.0463 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | powder to crystal |
| pka | 2.12±0.12(Predicted) |
| color | White to Light yellow to Green |
| Water Solubility | insoluble |
| Merck | 14,3233 |
| CAS DataBase Reference | 530-44-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Methanone, [4-(dimethylamino)phenyl]phenyl-(530-44-9) |
| EPA Substance Registry System | Methanone, [4-(dimethylamino)phenyl]phenyl- (530-44-9) |
Safety information for 4-(Dimethylamino)benzophenone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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-(Dimethylamino)benzophenone
| InChIKey | BEUGBYXJXMVRFO-UHFFFAOYSA-N |
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