2,5-Dihydroxy-3,6-dimethyl-2,5-cyclohexadiene-1,4-dione

Base Information

• Chemical Name: 2,5-Dihydroxy-3,6-dimethyl-2,5-cyclohexadiene-1,4-dione
• CAS No.: 2654-72-0
• Molecular Formula: C8H8 O4
• Molecular Weight: 168.149
• Hs Code.: 2914690090
• Mol file: 2654-72-0.mol

Synonyms:p-Benzoquinone,2,5-dihydroxy-3,6-dimethyl- (7CI,8CI);2,5-Dihydroxy-3,6-dimethyl-1,4-benzoquinone; 2,5-Dihydroxy-3,6-dimethyl-p-benzoquinone;NSC 254098

Chemical Property of 2,5-Dihydroxy-3,6-dimethyl-2,5-cyclohexadiene-1,4-dione

Chemical Property:

• Vapor Pressure: 3.24E-05mmHg at 25°C
• Melting Point: 241-242 °C
• Boiling Point: 317.4°C at 760 mmHg
• PKA: 2.80±0.50(Predicted)
• Flash Point: 159.9°C
• PSA: 74.60000
• Density: 1.501g/cm³
• LogP: 0.80220

Purity/Quality:

99% ,98%,Electron Grade , ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-Dihydroxy-3,6-dimethyl-2,5-cyclohexadiene-1,4-dione

There total 12 articles about 2,5-Dihydroxy-3,6-dimethyl-2,5-cyclohexadiene-1,4-dione 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:

3,6-Dimethylcatechol (2785-78-6) → 2,5-dihydroxy-3,6-dimethyl-1,4-benzoquinone (2654-72-0)

Guidance literature:

Multi-step reaction with 2 steps

1: Cu(NO₃)2*3H₂O

2: aq. HCl / dimethylsulfoxide

With hydrogenchloride; copper(II) nitrate; In dimethyl sulfoxide;

DOI:10.1055/s-1979-28797

Reference yield:

MEDZQ (18735-47-2) → 2,5-dihydroxy-3,6-dimethyl-1,4-benzoquinone (2654-72-0)

Guidance literature:

With sodium hydroxide; In water; at 100 ℃; for 1h;

DOI:10.1248/cpb.30.2534

Reference yield:

2,5-Dimethyl-1,4-benzoquinone (137-18-8) → 2,5-dihydroxy-3,6-dimethyl-1,4-benzoquinone (2654-72-0)

Guidance literature:

With hydrogenchloride; 4-aminobenzene sulfonic acid;

upstream raw materials:

2,5-Dimethyl-1,4-benzoquinone

2,5-dimethyl-3,6-bis-methylamino-[1,4]benzoquinone

2,5-Bis-(3-hydroxy-propylamino)-3,6-dimethyl-[1,4]benzoquinone

MEDZQ

Downstream raw materials:

2,5-diacetoxy-1,4-benzoquinone

2,5-diacetoxy-p-xyloquinone

2-ethyl-2-methylsuccinic acid

2-acetoxy-5-hydroxy-p-xyloquinone

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