5,7-Dibromo-1H-indazole

Base Information

• Chemical Name: 5,7-Dibromo-1H-indazole
• CAS No.: 50477-28-6
• Molecular Formula: C₇H₄Br₂N₂
• Molecular Weight: 275.93
• Hs Code.: 2933990090
• Mol file: 50477-28-6.mol

Synonyms:1H-indazole, 5,7-dibromo-;

Chemical Property of 5,7-Dibromo-1H-indazole

Chemical Property:

• Vapor Pressure: 8.92E-06mmHg at 25°C
• Melting Point: 197-198 °C
• Refractive Index: 1.751
• Boiling Point: 384.6 °C at 760 mmHg
• PKA: 10.56±0.40(Predicted)
• Flash Point: 186.4 °C
• PSA: 28.68000
• Density: 2.165 g/cm³
• LogP: 3.08790
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99% ^*data from raw suppliers

1H-Indazole 5,7-dibromo-97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,7-Dibromo-1H-indazole

There total 4 articles about 5,7-Dibromo-1H-indazole which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 95.0%

2,4-dibromo-6-methylaniline (30273-41-7) → 5,7-Dibromid (50477-28-6)

Guidance literature:

With potassium nitrite; acetic acid; at 0 - 20 ℃;

DOI:10.1055/s-0028-1087364

Reference yield:

N-(2,4-dibromo-6-methylphenyl)acetamide (189937-21-1) → 5,7-Dibromid (50477-28-6)

Guidance literature:

With mixture of gaseous nitrogen oxides; acetic acid; Kochen der Nitrosoverbindung in Benzol;

Reference yield:

N-(2,4-dibromo-6-methylphenyl)acetamide (189937-21-1) + acetic acid (64-19-7,77671-22-8) → 5,7-Dibromid (50477-28-6)

Guidance literature:

at 10 - 15 ℃; Kochen der erhaltenen Nitrosoverbindung in trockenem Benzol;

upstream raw materials:

N-(2,4-dibromo-6-methylphenyl)acetamide

acetic acid

2,4-dibromo-6-methylaniline

Refernces