Name | Benzohydroxamic acid |
Synonyms | benzohydroxamate n-hydroxy-benzamid N-HYDROXYBENZAMIDE N-hydroxybenzamide BENZHYDROXAMIC ACID Benzhydroxamic acid BENZOHYDROXAMIC ACID Benzohydroxamic acid Benzamide,N-hydroxy- Hydroxybenzamide, n- Phenylhydroxamic acid N-BENZOYLHYDROXYLAMINE N-Benzoylhydroxylamine |
CAS | 495-18-1 |
EINECS | 207-797-6 |
InChI | InChI=1/C7H7NO2/c9-7(8-10)6-4-2-1-3-5-6/h1-5,10H,(H,8,9) |
InChIKey | VDEUYMSGMPQMIK-UHFFFAOYSA-N |
Molecular Formula | C7H7NO2 |
Molar Mass | 137.14 |
Density | 1.2528 (rough estimate) |
Melting Point | 126-130°C(lit.) |
Boling Point | 251.96°C (rough estimate) |
Water Solubility | 22 g/L (6 ºC) |
Solubility | Soluble in alcohol. Slightly soluble in ether. Insoluble in benzene. |
Appearance | Solid |
Color | Rhombic tablets |
BRN | 1907585 |
pKa | pK1: 8.89(0) (20°C) |
Storage Condition | 2-8°C |
Stability | Moisture and Temperature Sensitive |
Refractive Index | 1.5030 (estimate) |
MDL | MFCD00002109 |
Physical and Chemical Properties | Melting point 126-130°C water-soluble 22g/L (6°C) |
Hazard Symbols | Xn - Harmful |
Risk Codes | R68 - Possible risk of irreversible effects R40 - Limited evidence of a carcinogenic effect R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S36 - Wear suitable protective clothing. S22 - Do not breathe dust. |
WGK Germany | 3 |
RTECS | DF9650000 |
TSCA | Yes |
HS Code | 29280090 |
Toxicity | LD orl-rat: >500 mg/kg NCNSA6 5,26,53 |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Use | Reagents for the determination of iron, vanadium and uranium. |
Production method | It is obtained by the reaction of ethyl benzoate and hydroxylamine hydrochloride. |
category | toxic substances |
acute toxicity | oral-rat LD50:> 500 mg/kg |
flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxide smoke |
storage and transportation characteristics | ventilation and low temperature drying |
fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |