Aniline, o-bromo-
2-Bromoaniline
CAS: 615-36-1
Molecular Formula: C6H6BrN
Aniline, o-bromo- - Names and Identifiers
| Name | 2-Bromoaniline |
| Synonyms | 2-BromoaniL o-bromoaniline 2-Bromoaniline O-BROMOANILINE 2-Bromoanilines BROMOANILINE(2-) AKOS BBS-00003650 Aniline, o-bromo- ORTHO-BROMOANILINE 2-bromo-benzenamin 2-bromobenzenamine 2-Bromobenzeneamine 2-Bromo-phenylamine o-Aminobromobenzene Benzenamine,2-bromo- 1-Amino-2-bromobenzene Vortioxetine Impurity 49 o-Chloroaceto-N-acetanilide o-Bromoaniline 2-Bromoaniline 2-BROMO ANILINE FOR SYNTHESIS |
| CAS | 615-36-1 |
| EINECS | 210-421-3 |
| InChI | InChI=1/C6H6BrN/c7-5-3-1-2-4-6(5)8/h1-4H,8H2 |
| InChIKey | AOPBDRUWRLBSDB-UHFFFAOYSA-N |
Aniline, o-bromo- - Physico-chemical Properties
| Molecular Formula | C6H6BrN |
| Molar Mass | 172.02 |
| Density | 1.52 g/mL at 25 °C (lit.) |
| Melting Point | 24-28 °C (lit.) |
| Boling Point | 229 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | Insoluble in water. |
| Solubility | 0.949g/l |
| Vapor Presure | 0.0795mmHg at 25°C |
| Appearance | Liquid After Melting |
| Color | Clear yellow to red-brown |
| BRN | 742062 |
| pKa | 2.53(at 25℃) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.617-1.619 |
| Physical and Chemical Properties | Density 1.57 melting point 29-31°C boiling point 229°C refractive index 1.617-1.619 |
Aniline, o-bromo- - Risk and Safety
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R24/25 - |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8-23 |
| TSCA | Yes |
| HS Code | 29214210 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | III |
Aniline, o-bromo- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | o-bromoaniline white needle crystal. Molecular weight 172.03. Melting point 32 ℃. Boiling point 229 ℃. Relative density 1.578(20/4 ℃). 1.6113 refractive index. Soluble in alcohol and ether, insoluble in water. Used as an intermediate in organic synthesis. Using o-nitroaniline as raw material, it is obtained by diazotization, bromination and reduction. |
| application | o-bromoaniline can be used as dye raw materials, such as azo dyes, quinoline dyes, etc., as intermediates in pharmaceutical and organic synthesis. O-bromoaniline can be used as an intermediate in pharmaceutical synthesis. At present, the method of industrial production of o-bromoaniline is still relatively traditional. This traditional production method has problems such as low yield, low purity and serious pollution, and the production process is relatively complex, which is difficult to meet human needs. |
| synthesis method | o-bromoaniline, m-bromoaniline and p-bromoaniline are three isomers of bromoaniline, all of which are toxic and more toxic than chloraniline. They can be absorbed transdermal, have hemolysis, and can cause bladder cancer. Mainly used in dye raw materials, such as azo dyes, quinazoline dyes, etc. 8-bromoquinoline is prepared by heating with glycerol, concentrated sulfuric acid and o-bromonitrobenzene. the preparation methods of the three isomers are as follows: 1, using the corresponding nitroaniline as raw material, reacting with sodium nitrite in sulfuric acid to form diazonium salt, and then reacting with hydrobromic acid under the action of cuprous bromide to form nitrobromobenzene, which is further reduced with iron powder in hydrobromic acid; the above three isomers can be prepared. 2. Using benzene as raw material, under the action of iron powder, it reacts with bromine to generate bromobenzene, and then reacts with mixed acid (a mixture of sulfuric acid and nitric acid) to generate o-nitrobromobenzene and p-nitrobromobenzene (in which the ortho position accounts for 35% and the para position accounts for 65%), so that the two are separated, and then prepared according to method 1, o-bromoaniline and p-bromoaniline can be prepared. 3, using p-bromoacetanilide as raw material, in sodium hydroxide solution, reflux with water vapor, p-bromoaniline can be prepared. |
| use | organic synthesis intermediate. |
| production method | is obtained by diazotization, bromination and reduction using o-nitroaniline as raw material. |
Last Update：2024-04-09 15:16:46
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