2,3-DIHYDROXY-1,4-NAPHTHOQUINONE

Base Information

• Chemical Name: 2,3-DIHYDROXY-1,4-NAPHTHOQUINONE
• CAS No.: 605-37-8
• Molecular Formula: C10H6O4
• Molecular Weight: 190.155
• Hs Code.: 2914690090
• Mol file: 605-37-8.mol

Synonyms:2,3-dihydroxynaphthalene-1,4-dione;2,3-Dihydroxynaphthoquinone;2,3-Dihydroxy-1,4-naphthalindion;UNII-P55V4GVI5W;2,4-naphthosemiquinone;2,3-Dihydroxy-1,4-naphthochinon;Isonaphthazarin;Isonaphthazarine;1,4-Naphthalenedione, 2,3-dihydroxy-;2,3-dihydroxynaphtho-1,4-quinone;

Chemical Property of 2,3-DIHYDROXY-1,4-NAPHTHOQUINONE

Chemical Property:

• Vapor Pressure: 2.05E-14mmHg at 25°C
• Melting Point: 282°C
• Refractive Index: 1.5280 (estimate)
• Boiling Point: 550.6°C at 760 mmHg
• PKA: 5.96±0.10(Predicted)
• Flash Point: 300.8°C
• PSA: 74.60000
• Density: 1.6g/cm³
• LogP: 1.39320

Purity/Quality:

98%min ^*data from raw suppliers

2,3-Dihydroxy-1,4-naphthoquinone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,3-Dihydroxy-1,4-naphthoquinone can be used in a method to gradually color hair.

Technology Process of 2,3-DIHYDROXY-1,4-NAPHTHOQUINONE

There total 10 articles about 2,3-DIHYDROXY-1,4-NAPHTHOQUINONE 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: 87.0%

C29H21NO6 → 3-(mesitylamino)-1-oxo-1H-indene-2-carboxylic acid (1073909-47-3) + isonaphthazarine (605-37-8)

Guidance literature:

With water; In dichloromethane; at 20 ℃;

DOI:10.1021/jo8014903

Reference yield: 86.0%

methanol (67-56-1) + C29H21NO6 → methyl 3-(mesitylamino)-1-oxo-1H-indene-2-carboxylate (1073909-41-7) + isonaphthazarine (605-37-8)

Guidance literature:

In dichloromethane; at 20 ℃; for 4h;

DOI:10.1021/jo8014903

Reference yield: 84.0%

methanol (67-56-1) + C27H17NO6 → methyl 3-[(4-methylphenyl)amino]-1-oxo-1H-indene-2-carboxylate (1073909-39-3) + isonaphthazarine (605-37-8)

Guidance literature:

In dichloromethane; at 20 ℃; for 4h;

DOI:10.1021/jo8014903

upstream raw materials:

1,4-Dihydroxynaphthalene

2,3-epoxy-2,3-dihydro-1,4-naphthoquinone

water

naphthalene-1,2,3,4-tetraone; dihydrate

Downstream raw materials:

2-(N-ethyl-anilino)-3-hydroxy-[1,4]naphthoquinone

benzene-1,2-dicarboxylic acid

indan-1,2,3-trione hydrate

phthalonic acid

Refernces

• 1、 Adam,Schonberger. "Dimethyldioxirane oxidation of hydroquinones into quinones and 2,3-dihydroxycyclohexene-1,4-diones". . p. 53 - 56. Retrieved 2007/10/02.