N-Phenylbenzohydroxamic acid
Synonym(s):N-Hydroxy-N-phenylbenzamide;N-Phenylbenzohydroxamic acid
- CAS NO.：304-88-1
- Empirical Formula: C13H11NO2
- Molecular Weight: 213.23
- MDL number: MFCD00002111
- EINECS: 206-158-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:03
What is N-Phenylbenzohydroxamic acid?
Chemical properties
off-white fibrous powder
The Uses of N-Phenylbenzohydroxamic acid
N-Benzoyl-N-phenylhydroxylamine was used as a complexing agent for studying the dispersive liquid-liquid microextraction based on solidification of floating organic drop (DLLME-SFO) behavior of vanadium (V). It was used as an extractant in the determination of beryllium in natural waters.
General Description
The mechanism of the reaction of N-benzoyl-N-phenylhydroxylamine with vanadium(IV) was studied.
Purification Methods
Recrystallise it from hot water, *benzene Et2O/hexane or acetic acid. It complexes with metals. [Beilstein 15 III 8, 15 IV 7.]
Properties of N-Phenylbenzohydroxamic acid
| Melting point: | 118-120 °C(lit.) |
| Boiling point: | 353.22°C (rough estimate) |
| Density | 1.1544 (rough estimate) |
| refractive index | 1.5700 (estimate) |
| storage temp. | 2-8°C |
| Water Solubility | Practically insoluble in water |
| form | Needle-Like Crystals or Crystalline Powder |
| pka | 8.09±0.19(Predicted) |
| color | Light beige needle-like |
| BRN | 2212449 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 304-88-1(CAS DataBase Reference) |
| NIST Chemistry Reference | N-benzoyl-n-phenylhydroxylamine(304-88-1) |
| EPA Substance Registry System | N-Phenylbenzohydroxamic acid (304-88-1) |
Safety information for N-Phenylbenzohydroxamic acid
| 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for N-Phenylbenzohydroxamic acid
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