1-Amino-2,4-dibromonaphthalene
- CAS No.
- 20191-76-8
- Chemical Name:
- 1-Amino-2,4-dibromonaphthalene
- Synonyms
- 2,4-Dibromo-1-naphthylamine;2,4-dibromonaphthalen-1-amine;2,4-Dibromo-1-naphtylamine;2,4-Dibromo-1-naphthalenamine;2,4-Dibromonaphthalene-1-amine;1-Amino-2,4-dibromonaphthalene;2,4-dibromonaphthalen-1-amine1;1-Naphthalenamine, 2,4-dibromo-
- CBNumber:
- CB72408632
- Molecular Formula:
- C10H7Br2N
- Molecular Weight:
- 300.98
- MDL Number:
- MFCD00155345
- MOL File:
- 20191-76-8.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 2,4-DIBROMO-1-NAPHTHYLAMINE AldrichCPR | S860042 | 1 unit | $121 |
| 2,4-DIBROMO-1-NAPHTHYLAMINE AldrichCPR | S860042 | 50MG | $106 |
| 1-Amino-2,4-dibromonaphthalene 97% | OR310548 | 1g | $21 |
| 1-Amino-2,4-dibromonaphthalene 97% | OR310548 | 5g | $44 |
| 1-Amino-2,4-dibromonaphthalene 97% | OR310548 | 25g | $213 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P280-P301+P312-P302+P352-P305+P351+P338 |
| HS Code | 2921599090 |
1-Amino-2,4-dibromonaphthalene price More Price(61)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | S860042 | 2,4-DIBROMO-1-NAPHTHYLAMINE AldrichCPR | 20191-76-8 | 1 unit | $121 | 2026-04-30 | Buy |
| Sigma-Aldrich | S860042 | 2,4-DIBROMO-1-NAPHTHYLAMINE AldrichCPR | 20191-76-8 | 50MG | $106 | 2023-06-20 | Buy |
| Apolloscientific | OR310548 | 1-Amino-2,4-dibromonaphthalene 97% | 20191-76-8 | 1g | $21 | 2026-06-04 | Buy |
| Apolloscientific | OR310548 | 1-Amino-2,4-dibromonaphthalene 97% | 20191-76-8 | 5g | $44 | 2026-06-04 | Buy |
| Apolloscientific | OR310548 | 1-Amino-2,4-dibromonaphthalene 97% | 20191-76-8 | 25g | $213 | 2026-06-04 | Buy |
1-Amino-2,4-dibromonaphthalene Chemical Properties,Uses,Production
Uses
2,4-Dibromonaphthalen-1-amine is used as a reactant in the preparation of pyrazoles as inhibitors of macrophage migration inhibitory factor.
Synthesis
134-32-7
20191-76-8
General procedure for the synthesis of 2,4-dibromo-1-aminonaphthalene from 1-naphthylamine: a mixture of 1-naphthylamine (286 mg, 2 mmol), potassium bromide (309 mg, 2.6 mmol), acetic acid (9 mL), water (1 mL), and dichloromethane (5 mL) was added sequentially to a three-necked flask equipped with a condenser and a thermometer. ZnAl-BrO3-LDHs (3.6 g, 3.6 mmol) was slowly added over 15 min in a thermostatically heated magnetic stirring water bath. The reaction temperature was controlled to be 25 °C for 5 h. The reaction was carried out at a constant temperature with magnetic stirring. After completion of the reaction, the reaction mixture was washed with sodium sulfite solution. It was subsequently extracted with dichloromethane (3 × 10 mL), the organic phases were combined and silica gel (200-300 mesh) was added to the organic phase. The organic solvent was removed by distillation under reduced pressure and the residue was purified by column chromatography (eluent was petroleum ether: ethyl acetate = 13:1) to afford 566 mg of the target product 2,4-dibromo-1-aminonaphthalene as a reddish brown solid in 94% yield.
References
[1] Canadian Journal of Chemistry, 2005, vol. 83, # 2, p. 146 - 149
[2] Patent: CN107417543, 2017, A. Location in patent: Paragraph 0056-0058; 0062
[3] Patent: WO2017/201161, 2017, A1. Location in patent: Paragraph 0215; 0246
[4] Synthetic Communications, 2004, vol. 34, # 24, p. 4597 - 4604
[5] ChemMedChem, 2018, vol. 13, # 11, p. 1092 - 1097
1-Amino-2,4-dibromonaphthalene Preparation Products And Raw materials
Raw materials
Preparation Products
1-Amino-2,4-dibromonaphthalene Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Xinsheng New Material Technology Co., LTD. | +86-16632316109 | xinshengkeji@xsmaterial.com | China | 1082 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 14036 | 58 |
| Richest Group Ltd | 18017061086 | oled@richest-group.com | CHINA | 5597 | 58 |
| Fuxin Pharmaceutical | +86-021-021-50872116 | contact@fuxinpharm.com | China | 9976 | 58 |
| Career Henan Chemica Co | +86-0371-86658258 +86-13203830695 | laboratory@coreychem.com | China | 30203 | 58 |
| Shanxi Xuanran Import and Export Trade Co., Ltd. | +8617735180244 | mike_yan@xuanranglobal.com | CHINA | 4011 | 58 |
| Hefei Hirisun Pharmatech Co., Ltd | +8615056975894 | shawn@hirisunpharm.com | CHINA | 9897 | 58 |
| Zhengzhou Anbu Chem Co.,Ltd | +86-0371-88006763; +86-15988602810 | sales@anbuchem.com | China | 3108 | 58 |
| HUBEI DING KOSIN TECHNOLOGY | +86-8613524650931 | jason@kosinbio.com | China | 952 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 54746 | 58 |
View Lastest Price from 1-Amino-2,4-dibromonaphthalene manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-06-30 | 2,4-Dibromonaphthalen-1-amine
20191-76-8
|
1KG | 98.0% | 10000KGS | Shaanxi Dideu New Materials Co. Ltd | ||
 |
2023-11-02 | 1-Amino-2,4-dibromonaphthalene
20191-76-8
|
1Kg | 99.9% | 30000 Kg | Hebei Xinsheng New Material Technology Co., LTD. | ||
 |
2023-09-19 | 1-Amino-2,4-dibromonaphthalene
20191-76-8
|
$25.00-35.00 | 1kg | 99% | 20 Ton | Hebei Xinsheng New Material Technology Co., LTD. |
-
- 2,4-Dibromonaphthalen-1-amine
20191-76-8
- 98.0%
- Shaanxi Dideu New Materials Co. Ltd
-
- 1-Amino-2,4-dibromonaphthalene
20191-76-8
- 99.9%
- Hebei Xinsheng New Material Technology Co., LTD.
-
- 1-Amino-2,4-dibromonaphthalene
20191-76-8
- $25.00-35.00
- 99%
- Hebei Xinsheng New Material Technology Co., LTD.
