Benzophenone hydrazone
Synonym(s):Diphenyldiazomethane precursor
- CAS NO.：5350-57-2
- Empirical Formula: C13H12N2
- Molecular Weight: 196.25
- MDL number: MFCD00007624
- EINECS: 226-321-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-09 10:27:52
What is Benzophenone hydrazone?
Chemical properties
white to light yellow crystal powde
The Uses of Benzophenone hydrazone
An important compound in organic photochemistry and perfumery as well as in organic synthesis. Used in the antibiotics synthesis of 6-APA and 7-ACA of the carboxyl protecting groups and other organic compounds. Used as organic pigment and medical intermediate. It is used as a photoinitiator of UV-curing applications in inks, adhesive, coatings and optical fiber.
Synthesis Reference(s)
Journal of the American Chemical Society, 72, p. 2890, 1950 DOI: 10.1021/ja01163a024
Organic Syntheses, Coll. Vol. 3, p. 351, 1955
Properties of Benzophenone hydrazone
| Melting point: | 95-98 °C (lit.) |
| Boiling point: | 225-230 °C/55 mmHg (lit.) |
| Density | 1.1 |
| refractive index | 1.5014 (estimate) |
| Flash point: | 146°C |
| storage temp. | 2-8°C |
| solubility | Soluble in ether, benzene, chloroform and other organic solvents. |
| form | Crystalline Needles or Crystalline Powder |
| pka | 1.44±0.70(Predicted) |
| color | White to yellow |
| BRN | 1910177 |
| CAS DataBase Reference | 5350-57-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Methanone, diphenyl-, hydrazone(5350-57-2) |
| EPA Substance Registry System | Methanone, diphenyl-, hydrazone (5350-57-2) |
Safety information for Benzophenone hydrazone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501:Dispose of contents/container to..… |
Computed Descriptors for Benzophenone hydrazone
| InChIKey | QYCSNMDOZNUZIT-UHFFFAOYSA-N |
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