Benzohydroxamic acid, N-phenyl-
N-Benzoyl-N-Phenylhydroxylamine
CAS: 304-88-1
Molecular Formula: C13H11NO2
Benzohydroxamic acid, N-phenyl- - Names and Identifiers
| Name | N-Benzoyl-N-Phenylhydroxylamine |
| Synonyms | TANTALON N-HYDROXY-N-PHENYLBENZAMIDE N-Hydroxy-N-phenylbenzamide N-PHENYLBENZOHYDROXAMIC ACID N-BENZOYLPHENYLHYDROXYLAMINE Benzamide, N-hydroxy-N-phenyl- benzamide, N-hydroxy-N-phenyl- N-BENZOYL-N-PHENYLHYDROXYLAMINE N-Benzoyl-N-Phenylhydroxylamine Benzohydroxamic acid, N-phenyl- N-Benzoyl-N-phenylhydroxylamine N-BENZOYL-N-PHENYL-HYDROXYLAMINE*CRYSTALLINE |
| CAS | 304-88-1 |
| EINECS | 206-158-9 |
| InChI | InChI=1/C13H11NO2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10,16H |
Benzohydroxamic acid, N-phenyl- - Physico-chemical Properties
| Molecular Formula | C13H11NO2 |
| Molar Mass | 213.23 |
| Density | 1.1544 (rough estimate) |
| Melting Point | 118-120°C(lit.) |
| Boling Point | 353.22°C (rough estimate) |
| Flash Point | 177.1°C |
| Water Solubility | Practically insoluble in water |
| Solubility | Soluble in ethanol, benzene, ether, chloroform, cyclohexanone and glacial acetic acid, very slightly soluble in cold water. Solubility in hot water is about 0.5% |
| Vapor Presure | 4.19E-06mmHg at 25°C |
| Appearance | White crystal or powder |
| Color | Light beige needle-like |
| BRN | 2212449 |
| pKa | 8.09±0.19(Predicted) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Easy to absorb moisture and sensitive to light |
| Refractive Index | 1.5700 (estimate) |
| MDL | MFCD00002111 |
| Physical and Chemical Properties | White crystalline powder. Melting point, 123-124 °c. Soluble in alcohol, benzene, ether, chloroform, cyclohexanone and acetic acid, very slightly soluble in cold water. Solubility in hot water is about 0.5%. Stable to light, heat and air. |
| Use | This product is for scientific research only and shall not be used for other purposes. |
Benzohydroxamic acid, N-phenyl- - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29280000 |
Benzohydroxamic acid, N-phenyl- - Introduction
Photometric determination of vanadium. Separation of tantalum and niobium. Gravimetric determination of scandium, zirconium, molybdenum, beryllium, iron, titanium, aluminum and copper. Colorimetric determination of cobalt, cerium, titanium and vanadium
Last Update：2022-10-16 17:24:26
Benzohydroxamic acid, N-phenyl- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | Used for photometric determination of vanadium, separation of tantalum and niobium, gravimetric determination of scandium, zirconium, molybdenum, beryllium, iron, titanium, aluminum and copper, Colorimetric determination of cerium, cobalt, titanium and vanadium. Determination of iron content in cobalt acetate Photometric determination of vanadium. Separation of tantalum and niobium. Gravimetric determination of scandium, zirconium, molybdenum, beryllium, iron, titanium, aluminum and copper. Colorimetric determination of cobalt, cerium, titanium and vanadium. |
| production method | dissolve phenylhydroxylamine in hot water, add sodium bicarbonate, add benzoyl chloride dropwise under stirring, and add sodium bicarbonate several times to keep the reaction solution alkaline. After feeding, continue stirring for 1.5h. Filter out the solid products benzoyl phenylhydroxylamine and dibenzoyl phenylhydroxylamine, after washing with water, remove benzoyl chloride with sodium bicarbonate, and then dissolve benzoyl phenylhydroxylamine in the mixture with concentrated ammonia water (dibenzoyl phenylhydroxylamine is insoluble in concentrated ammonia water), concentrate from the filtrate, cool and precipitate the finished benzoyl phenylhydroxylamine. |
Last Update：2024-04-09 20:52:54
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View History
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