| Identification | More | [Name]
4-Bromo-2,6-dimethylaniline | [CAS]
24596-19-8 | [Synonyms]
4-BROMO-2,6-DIMETHYLANILINE
4-BROMO-2,6-XYLIDINE
LABOTEST-BB LT01143222
TIMTEC-BB SBB002410
2,6-Dimethyl-4-bromoaniline
2,6-Xylidine, 4-bromo-
4-bromo-2,6-dimethylaniline,98%
4-Bromo-2,6-dimethyl-phenylamine
4-Bromo-2,6-dimethylaniline 98%
4-BROMO-2,6-DIMETHYLANILINE (4-BROMO-2,6-XYLIDINE)
4-BROMO-2,6-DIMETHYLANILINE 99+%
2-Methyl-6-Ethylbenzenamine(6-Ethyl-o-toluidine)
4-bromo-2,6-dimethyl-Benzenamine | [EINECS(EC#)]
246-337-9 | [Molecular Formula]
C8H10BrN | [MDL Number]
MFCD00007826 | [Molecular Weight]
200.08 | [MOL File]
24596-19-8.mol |
| Chemical Properties | Back Directory | [Appearance]
brown crystals | [Melting point ]
48-51 °C (lit.) | [Boiling point ]
120°C 0,2mm | [density ]
1.4423 (rough estimate) | [refractive index ]
1.5748 (estimate) | [Fp ]
>230 °F
| [storage temp. ]
Keep in dark place,Inert atmosphere,Room temperature | [solubility ]
Chloroform, Methanol | [form ]
Liquid | [pka]
3.60±0.10(Predicted) | [color ]
Clear yellow to orange to amber | [BRN ]
1936300 | [InChI]
InChI=1S/C8H10BrN/c1-5-3-7(9)4-6(2)8(5)10/h3-4H,10H2,1-2H3 | [InChIKey]
QGLAYJCJLHNIGJ-UHFFFAOYSA-N | [SMILES]
C1(N)=C(C)C=C(Br)C=C1C | [CAS DataBase Reference]
24596-19-8(CAS DataBase Reference) | [NIST Chemistry Reference]
Benzenamine, 4-bromo-2,6-dimethyl-(24596-19-8) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R38:Irritating to the skin.
R43:May cause sensitization by skin contact.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S36/37:Wear suitable protective clothing and gloves .
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 . | [RIDADR ]
UN2811/6.1/III | [WGK Germany ]
3
| [F ]
8-10-23 | [Hazard Note ]
Harmful | [HazardClass ]
6.1 | [HS Code ]
29214900 |
| Hazard Information | Back Directory | [Chemical Properties]
brown crystals | [Uses]
4-Bromo-2,6-dimethylaniline has been used in the preparation of:
- 4-bromo-N-(1-(6-(1-isopropyl-1H-benzo[d]imidazol-2-yl)pyridin-2-yl)ethylidene)-2,6-dimethylbenzenamine
- N-(4-Bromo-2,6-dimethylphenyl)-5-trimethylammoniumsalicylaldimine chloride
- ethynyl-functionalized persistent perylene diimide-multichromophore
| [Synthesis]
The general procedure for the synthesis of 4-bromo-2,6-dimethylaniline from 2,6-dimethylaniline was as follows: 1-methoxy-3,5-dimethylbenzene (100 mg, 0.73 mmol), N-bromosuccinimide (NBS, 260 mg, 1.46 mmol), and a stainless steel ball (5 mm in diameter) were placed in a 10 mL stainless steel grinding jar. The ball milling reaction was carried out and the reaction process was monitored by thin layer chromatography (TLC) and proton nuclear magnetic resonance (1H NMR). Upon completion of the reaction, the reaction mixture was transferred to 30 mL of ethyl acetate and cooled at 0°C. The filtrate (containing product) and precipitate (spent succinimide) were obtained by filtration through filter paper and separated. The filtrate was concentrated under vacuum to give 250 mg (85% yield) of 4-bromo-2,6-dimethylaniline (2b) as a colorless powder. To test the efficiency of the large-scale reaction, monobromination was carried out under the same conditions using 1.3 g of 1-methoxy-3,5-dimethylbenzene for 1 h. The product was isolated in 87% yield. During the reaction, the grinding equipment was suspended and a small amount of sample was removed from the reaction tank for TLC and 1H NMR analysis, after which the reaction was continued, and the time of this operation was not included in the total reaction time. | [References]
[1] Tetrahedron Letters, 2005, vol. 46, # 51, p. 8959 - 8963
[2] Tetrahedron Letters, 2009, vol. 50, # 9, p. 1007 - 1009
[3] Synthetic Communications, 2010, vol. 40, # 5, p. 647 - 653
[4] Synthetic Communications, 2009, vol. 39, # 23, p. 4212 - 4220
[5] Journal fuer Praktische Chemie (Leipzig), 1988, vol. 330, # 2, p. 161 - 174 |
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