BLUE 220

Base Information

• Chemical Name: BLUE 220
• CAS No.: 114090-18-5
• Molecular Formula: C₉H₁₈O₃
• Molecular Weight: 174.24
• Mol file: 114090-18-5.mol

Synonyms:3-(1-Ethyl-2-methylindol-3-yl)-3-(2-methyl-4-diethylaminophenyl)-4-azaphthalide;3-(4-Diethylamino-2-methylphenyl)-3-(1-ethyl-2-methylindol-3-yl)-4-azaphthalide;3-(4-Diethylamino-2-methylphenyl)-3-(1-ethyl-2-methylindole-3-yl)-4-azaphthalide;3-(4-Diethylamino-2-methylphenyl)-3-(2-methyl-1-ethylindol-3-yl)-4-azaphthalide;Yamamoto Blue 220

Chemical Property of BLUE 220

Chemical Property:

• Melting Point: 146-148 °C
• Boiling Point: 650.4±55.0 °C(Predicted)
• PKA: 5.78±0.50(Predicted)
• PSA: 47.36000
• Density: 1.17±0.1 g/cm3(Predicted)
• LogP: 5.98150

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of BLUE 220

There total 3 articles about BLUE 220 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: 85.0%

formaldehyd (50-00-0,30525-89-4,61233-19-0) + 2-Ethylhexanoic acid (149-57-5) → (+/-)-2-Ethyl-2-(hydroxymethyl)-hexanoic acid (101051-51-8)

Guidance literature:

2-Ethylhexanoic acid; With n-butyllithium; diisopropylamine; In tetrahydrofuran; n-heptane; at 0 - 50 ℃; for 2.16667h;

formaldehyd; In tetrahydrofuran; n-heptane; at 0 - 20 ℃; for 18.1667h;

With hydrogenchloride; water; ammonium chloride; In tetrahydrofuran; n-heptane; pH=1 - 2; Product distribution / selectivity;

Reference yield:

water (7732-18-5) + acetonitrile (75-05-8,26809-02-9) → (+/-)-2-Ethyl-2-(hydroxymethyl)-hexanoic acid (101051-51-8)

Guidance literature:

With sodium periodate; tetrabutyl ammonium fluoride; RuCl₃; In tetrahydrofuran; tetrachloromethane;

Reference yield:

2-butyl-2-ethylpropane-1,3-diol (115-84-4) → (+/-)-2-Ethyl-2-(hydroxymethyl)-hexanoic acid (101051-51-8)

Guidance literature:

With potassium permanganate;

upstream raw materials:

water

acetonitrile

formaldehyd

2-Ethylhexanoic acid