5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Base Information

• Chemical Name: 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
• CAS No.: 6371-38-6
• Molecular Formula: C16H6 Cl4 N2 O2
• Molecular Weight: 400.048
• Hs Code.: 2933990090
• Mol file: 6371-38-6.mol

Synonyms:Indigotin,5,5',7,7'-tetrachloro- (6CI); [D2,2'-Biindoline]-3,3'-dione, 5,5',7,7'-tetrachloro- (7CI,8CI);5,5',7,7'-Tetrachloroindigo; BASF Brilliant Indigo B; BASF Brilliant Indigo BR;Brilliant Indigo B; C.I. 73040; C.I. Vat Blue 41; Ciba Blue BR; Indigo BR;Mitsui Brilliant Tsuya Indigo B; Tetra Blue BR; Tina Blue BR; Vat Blue 41

Chemical Property of 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Chemical Property:

• Vapor Pressure: 4.79E-11mmHg at 25°C
• Boiling Point: 523.3°C at 760 mmHg
• Flash Point: 270.3°C
• PSA: 58.20000
• Density: 1.718g/cm³
• LogP: 5.70440

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

There total 9 articles about 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 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:

→ 5,7,5',7'-tetrachloro-1H,1'H-[2,2']biindolylidene-3,3'-dione (6371-38-6)

Guidance literature:

Irradiation;

Reference yield:

→ 5,7,5',7'-tetrachloro-1H,1'H-[2,2']biindolylidene-3,3'-dione (6371-38-6)

Guidance literature:

durch Reduktion;

Reference yield:

2-Carboxy-4,6-dichlorophenylglycine (101724-29-2) → 5,7,5',7'-tetrachloro-1H,1'H-[2,2']biindolylidene-3,3'-dione (6371-38-6)

Guidance literature:

With acetic anhydride; Verseifen des Reaktionsprodukts mit Natronlauge und nachfolgende Oxydation mit Luft;

upstream raw materials:

2-Carboxy-4,6-dichlorophenylglycine

1H,1H'-2,2'-Biindolylidene-3,3'-dione

3,5-dichloro-2-nitrobenzaldehyde

acetone

Downstream raw materials:

6,8-dichloro-2H-3,1-benzoxazine-2,4-dione

5,7-dichloroisatin