4,4'-Diaminobenzophenone
Synonym(s):4,4′-Diaminobenzophenone;Bis(4-aminophenyl)methanone
- CAS NO.：611-98-3
- Empirical Formula: C13H12N2O
- Molecular Weight: 212.25
- MDL number: MFCD00038138
- EINECS: 251-228-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:26
What is 4,4'-Diaminobenzophenone?
Purification Methods
Purify the phenone by recrystallisation from EtOH and by sublimation in high vacuum. The dihydrochloride has m 260o(dec) (from EtOH), and the thiosemicarbazone has m 207-207.5o(dec) (from aqueous EtOH). [Kuhn et al. Chem Ber 75 711 1942, Beilstein 14 IV 255.]
Properties of 4,4'-Diaminobenzophenone
| Melting point: | 243-247 °C(lit.) |
| Boiling point: | 452.8±30.0 °C(Predicted) |
| Density | 1.233±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | almost transparency in Methanol |
| form | powder to crystal |
| pka | 2.81±0.10(Predicted) |
| color | Light yellow to Brown |
| BRN | 2211861 |
| CAS DataBase Reference | 611-98-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Bis(4-aminophenyl)methanone(611-98-3) |
Safety information for 4,4'-Diaminobenzophenone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. 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. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 4,4'-Diaminobenzophenone
| InChIKey | ZLSMCQSGRWNEGX-UHFFFAOYSA-N |
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