sodium pyrocatecholate

Base Information

• Chemical Name: sodium pyrocatecholate
• CAS No.: 20244-21-7
• Molecular Formula: C₆H₄O₂*2Na
• Molecular Weight: 154.076
• Mol file: 20244-21-7.mol

Synonyms:1,2-Benzenediol,sodium salt (9CI); Pyrocatechol, sodium salt (8CI)

Chemical Property of sodium pyrocatecholate

Chemical Property:

• Vapor Pressure: 0.0183mmHg at 25°C
• Melting Point: 105oC
• Boiling Point: 245.5°Cat760mmHg
• Flash Point: 137.2°C
• PSA: 43.29000
• Density: g/cm³
• LogP: 1.53600

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of sodium pyrocatecholate

There total 2 articles about sodium pyrocatecholate 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%

benzene-1,2-diol (120-80-9,19481-10-8,37349-32-9) → sodium catecholate (20244-21-7,34789-97-4,51818-64-5,7664-47-3)

Guidance literature:

With sodium t-butanolate; In methanol; at 50 ℃; for 0.5h; Inert atmosphere; Glovebox;

DOI:10.1021/ja404208a

Reference yield:

→ sodium catecholate (20244-21-7,34789-97-4,51818-64-5,7664-47-3) + sodium phenoxide (139-02-6) + disodium salt of hydroquinone (7664-46-2,17200-59-8,30008-10-7,51818-63-4)

Guidance literature:

With sodium hydroxide; In water; Purification / work up; Industry scale;

Reference yield: 89.0%

sodium catecholate (20244-21-7,34789-97-4,51818-64-5,7664-47-3) + dichloro(1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylylidene)(benzylidene)bis(pyridine)ruthenium(II) → C39H41N3O2Ru

Guidance literature:

In tetrahydrofuran; at 22 ℃; for 5h; Inert atmosphere;

DOI:10.1021/ja505961z

upstream raw materials:

benzene-1,2-diol

Downstream raw materials:

1,2-dibutoxybenzene

1,2-bis(2-methylpropyloxy)benzene

1,2-bis(pentyloxy)benzene

1,2-diisopentoxybenzene

Refernces

• 1、 -. "CATALYSTS FOR EFFICIENT Z-SELECTIVE METATHESIS". Paragraph 00539. . Retrieved 2015/01/09.
• 2、 -. "Process for the recovery of phenol and biphenols". Page 5-6. . Retrieved 2008/06/13.