2-Aminobiphenyl, (2-Biphenylamine
2-Aminobiphenyl
CAS: 90-41-5
Molecular Formula: C12H11N
2-Aminobiphenyl, (2-Biphenylamine - Names and Identifiers
| Name | 2-Aminobiphenyl |
| Synonyms | 2-Phenylanili Aminobiphenyl 2-Aminobifenyl 2-Aminobiphenyl 2-Biphenylamine 2-aminodiphenyl 2-Phenylaniline biphenyl,2-amino- 2-aminophenylbenzen 2-Phenylbenzenamine 2-amino-1,1'-biphenyl 2-Biphenylylamine~2-Phenylaniline 2-AMINOBIPHENYL, FOR FLUORESCENCE 2-Aminobiphenyl, (2-Biphenylamine 2-aminobiphenyl(forsugardetermination) |
| CAS | 90-41-5 |
| EINECS | 201-990-9 |
| InChI | InChI=1/C12H11N/c13-12-9-5-4-8-11(12)10-6-2-1-3-7-10/h1-9H,13H2 |
| InChIKey | TWBPWBPGNQWFSJ-UHFFFAOYSA-N |
2-Aminobiphenyl, (2-Biphenylamine - Physico-chemical Properties
| Molecular Formula | C12H11N |
| Molar Mass | 169.22 |
| Density | 1.44 |
| Melting Point | 47-50°C(lit.) |
| Boling Point | 299°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | <0.01 g/100 mL at 21 ºC |
| Solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| Vapor Presure | 2 mm Hg ( 140 °C) |
| Vapor Density | 5.9 (vs air) |
| Appearance | Crystals or Crystalline Powder |
| Color | Purple to brown |
| BRN | 471874 |
| pKa | 3.82(at 22℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.613-1.615 |
| Physical and Chemical Properties | Colorless or slightly purple crystals. Melting point 49-50 ℃, boiling point 299 ℃,170 ℃(2.0kPa),145-148 ℃(0.67kPa). Soluble in alcohol, ether and benzene, insoluble in water. Can volatilize with water vapor. Flash point> 110 ℃. |
| Use | Used as a pharmaceutical Intermediate |
2-Aminobiphenyl, (2-Biphenylamine - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R40 - Limited evidence of a carcinogenic effect R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R21/22/36/37/38/40 - R20 - Harmful by inhalation |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| WGK Germany | 3 |
| RTECS | DV5530000 |
| TSCA | Yes |
| HS Code | 29214980 |
| Toxicity | LD50 orally in Rabbit: 2340 mg/kg |
2-Aminobiphenyl, (2-Biphenylamine - Reference Information
| LogP | 2.84 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | is used as a starting material for organic synthesis. Production of carbazole resin, synthetic rubber. used as pharmaceutical intermediates |
| production method | with O-nitrobiphenyl as raw material, by reduction and get: O-nitrobiphenyl, ethanol, stannous chloride was refluxed in a water bath for 3H, ethanol was recovered, the residue was cooled, 40% liquid alkali was added to make it highly alkaline, the oil layer was separated, the water layer was extracted with ether, the extract was dried with anhydrous calcium chloride, and the ether was recovered by filtration, the crude product was washed with ethanol, and the crude product was distilled under reduced pressure to obtain a finished product. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 2340 mg/kg; Oral-rabbit LD50: 1020 mg/kg |
| flammability hazard characteristics | open flame flammable; Toxic nitrogen oxide gas emitted by heat |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | water, carbon dioxide, sand, foam |
| spontaneous combustion temperature | 842 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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