Vat Blue 1, Reduced

Base Information

• Chemical Name: Vat Blue 1, Reduced
• CAS No.: 894-86-0
• Molecular Formula: C16H12 N2 O2 . 2 Na
• Molecular Weight: 308.247
• Mol file: 894-86-0.mol

Synonyms:Indigowhite (6CI); [2,2'-Bi-1H-indole]-3,3'-diol, disodium salt (9CI);[2,2'-Biindole]-3,3'-diol, disodium salt (8CI); C.I. 73001; C.I. Reduced VatBlue 1; Indigo Grains; Indigo MLB Vat; Indigo NAC Grains; Indigo NAC White;Indigo Vat BASF; Indigo Vat Grains; Indigo Vat I; Indigo Vat II; Mitsui IndigoVat Grain; Mitsui Indigo White; Reduced Indigo Solution C; Reduced IndigoSolution L; Reduced Synthetic Indigo Grains; Reduced Vat Blue 1; Sodium,[[2,2'-bi-1H-indole]-3,3'-diylbis(oxy)]bis-

Chemical Property of Vat Blue 1, Reduced

Chemical Property:

• Vapor Pressure: 1.41E-14mmHg at 25°C
• Boiling Point: 591.3°C at 760 mmHg
• Flash Point: 311.4°C
• PSA: 77.70000
• Density: 1.35[at 20℃]
• LogP: 4.60380
• Water Solubility.: 50μg/L at 23℃

Purity/Quality:

99.9% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Vat Blue 1, Reduced

There total 5 articles about Vat Blue 1, Reduced 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:

leucoindigo (6537-68-4) → leucoindigo (894-86-0)

Guidance literature:

With sodium hydride; In tetrahydrofuran; at 0 ℃; for 0.5h;

Reference yield:

1H,1H'-2,2'-Biindolylidene-3,3'-dione (482-89-3,12626-73-2) → leucoindigo (894-86-0)

Guidance literature:

Multi-step reaction with 2 steps

1: zinc / ethanol / 2 h / 80 °C

2: sodium hydride / tetrahydrofuran / 0.5 h / 0 °C

With sodium hydride; zinc; In tetrahydrofuran; ethanol;

Reference yield:

indigo (64784-13-0,482-89-3,141901-19-1,12626-73-2) → leucoindigo (894-86-0)

Guidance literature:

With sodium dithionite; sodium hydroxide; In 1,4-dioxane; for 0.333333h; Inert atmosphere;

DOI:10.1002/cphc.201000082

upstream raw materials:

leucoindigo

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

indigo

Downstream raw materials:

N,N'-bis(2-phenylbutyryl)-2,2'-bi-indolinylidene-3,3'-dione

N,N'-bis(2-phenylbutyryl)-2,2'-bi-indolinylidene-3,3'-dione

N,N'-bis(p-mehoxyphenylacetyl)-2,2'-bi-indolinylidene-3,3'-dione

N,N'-bis(p-mehoxyphenylacetyl)-2,2'-bi-indolinylidene-3,3'-dione

Refernces

• 1、 Seixas De Melo,Moura,Melo. "Photophysical and spectroscopic studies of indigo derivatives in their keto and leuco forms". . p. 6975 - 6981. Retrieved 2007/10/03.
• 2、 Setsune, Jun-ichiro,Wakemoto, Hirofumi,Matsueda, Taizo,Matsuura, Toshikazu,Tajima, Hideaki,et al.. "Synthesis of N,N'-Diacylindigotins (N,N'-Diacyl-2,2'-bi-indolinylidene-3,3'-diones) via an Oxidative Oxygen-to-Nitrogen Acyl Shift of O,O'-Diacyl-leucoingigos(3,3'-Diacyloxy-2,2'-bi-indolyls)". . p. 2305 - 2310. Retrieved 2007/10/02.