Product Name

  • Name

    2,5-DIHYDROXY-1,4-BENZOQUINONE

  • EINECS 210-454-3
  • CAS No. 615-94-1
  • Article Data46
  • CAS DataBase
  • Density 1.843 g/cm3
  • Solubility Soluble in water.
  • Melting Point 235 °C (dec.)(lit.)
  • Formula C6H4O4
  • Boiling Point 322.3 °C at 760 mmHg
  • Molecular Weight 140.095
  • Flash Point 162.9 °C
  • Transport Information
  • Appearance Ochre to brown powder
  • Safety 26-37/39
  • Risk Codes 20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 615-94-1 (2,5-DIHYDROXY-1,4-BENZOQUINONE)
  • Hazard Symbols HarmfulXn
  • Synonyms Quinone,2,5-dihydroxy- (3CI);p-Benzoquinone, 2,5-dihydroxy- (6CI,7CI,8CI);2,5-Dihydroxy-p-benzoquinone;Anilic acid;NSC 3843;
  • PSA 74.60000
  • LogP 0.02200

Synthetic route

recorcinol
108-46-3

recorcinol

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With peracetic acid; acetic acid80%
With peracetic acid
hydroquinone
123-31-9

hydroquinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With dihydrogen peroxide; sodium hydroxide at 40 - 50℃; for 1.5h;79%
With sodium hydroxide; dihydrogen peroxide at 50℃;
With sodium hydroxide; dihydrogen peroxide
With water; dihydrogen peroxide; sodium hydroxide at 45 - 55℃; for 3.5h; Inert atmosphere;
With 2(A-F),3(A-F),6(B-F)-heptadecakis-O-methyl-6(A)-deoxy-6(A)-oxo-α-cyclodextrin; dihydrogen peroxide at 25℃; for 1h; pH=7; Kinetics; Reagent/catalyst; aq. phosphate buffer;
2-hydroxy-phenoxazin-3-one
1915-49-7

2-hydroxy-phenoxazin-3-one

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

B

2-amino-phenol
95-55-6

2-amino-phenol

2,5-dimethoxyquinone
3117-03-1

2,5-dimethoxyquinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide
Multi-step reaction with 2 steps
1: ethanol
2: aq. NaOH solution
View Scheme
2,5-bis(phenylamino)-1,4-benzoquinone
3421-08-7

2,5-bis(phenylamino)-1,4-benzoquinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide
2,5-bis(methylamino)-1,4-benzoquinone
1654-14-4

2,5-bis(methylamino)-1,4-benzoquinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide
2-amino-5-hydroxy-[1,4]benzoquinone-4-imine
119014-47-0

2-amino-5-hydroxy-[1,4]benzoquinone-4-imine

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
at 70℃;
2-amino-5-anilino-[1,4]benzoquinone

2-amino-5-anilino-[1,4]benzoquinone

A

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

B

5-anilino-2-hydroxy-1,4-benzoquinone
124251-44-1

5-anilino-2-hydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide
benzene-1,2-diol
120-80-9

benzene-1,2-diol

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide; oxygen
With sodium hydroxide; dihydrogen peroxide
Dimethyl oxalate
553-90-2

Dimethyl oxalate

3,3-dimethoxy-butan-2-one
21983-72-2

3,3-dimethoxy-butan-2-one

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
(i) NaOMe, (ii) H2SO4, (iii) Mg(OMe)2; Multistep reaction;
2,5-bis(1-aziridinyl)-1,4-benzoquinone
526-62-5

2,5-bis(1-aziridinyl)-1,4-benzoquinone

A

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

B

2,5-bis((2-hydroxyethylyl)amino)-1,4-benzoquinone
5557-53-9

2,5-bis((2-hydroxyethylyl)amino)-1,4-benzoquinone

C

2-ethylenimino-5-hydroxy-1,4-benzoquinone

2-ethylenimino-5-hydroxy-1,4-benzoquinone

D

2-ethanolamino-5-hydroxy-1,4-benzoquinone

2-ethanolamino-5-hydroxy-1,4-benzoquinone

E

2-ethanolamino-5-ethylenimino-1,4-benzoquinone

2-ethanolamino-5-ethylenimino-1,4-benzoquinone

Conditions
ConditionsYield
In N,N-dimethyl acetamide; water at 40℃; for 24h; Rate constant; Kinetics; Thermodynamic data; product yield/distribution; mechanism; apparent activation energy; 0.01 M phosphate buffer (pH 8); examination of pH (further buffers), ionic strength, buffer concentration and reaction time;
4,5-dimethoxy-1,2-benzoquinone
21086-65-7

4,5-dimethoxy-1,2-benzoquinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide In methanol
1,4-Benzochinon-2,5-di-(3-oxypropansaeure)
72391-34-5

1,4-Benzochinon-2,5-di-(3-oxypropansaeure)

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide at 70℃;
hydroquinone
123-31-9

hydroquinone

A

p-benzosemiquinone radical anion
3225-29-4, 106-51-4

p-benzosemiquinone radical anion

B

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

C

p-benzoquinone
106-51-4

p-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide; potassium dihydrogenphosphate; air; Ag(1-x)H(x)Zr2(PO4)3 In water for 1h; Mechanism; Product distribution; Ambient temperature; Irradiation; pH 6, irradiation absence, other reaction time, various reactants ratio;
With sodium hydroxide; potassium dihydrogenphosphate; air; Ag(1-x)H(x)Zr2(PO4)3 In water Ambient temperature; Irradiation; Yields of byproduct given;
hydroquinone
123-31-9

hydroquinone

A

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

B

p-benzoquinone
106-51-4

p-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide; potassium dihydrogenphosphate; air; Ag(1-x)H(x)Zr2(PO4)3 In water for 4.16667h; Irradiation; Yield given. Yields of byproduct given;
2-aminophenoxazin-3-one
1916-59-2

2-aminophenoxazin-3-one

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

B

ammonia
7664-41-7

ammonia

C

2-amino-phenol
95-55-6

2-amino-phenol

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

4-methyl-1,2-dihydroxybenzene
452-86-8

4-methyl-1,2-dihydroxybenzene

aqueous KOH

aqueous KOH

A

carbon dioxide
124-38-9

carbon dioxide

B

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

C

oxalic acid
144-62-7

oxalic acid

2.5-bis-dimethylamino-quinone

2.5-bis-dimethylamino-quinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide Ansauern die erhaltene Loesung;
2.5-dianilino-quinone

2.5-dianilino-quinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With ethanol; sulfuric acid
2.5-diethoxy-quinone

2.5-diethoxy-quinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide
2-amino-5-anilino-quinone

2-amino-5-anilino-quinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide
With sulfuric acid
2-oxy-5-amino-benzoquinone-(1.4)-imide-(1)

2-oxy-5-amino-benzoquinone-(1.4)-imide-(1)

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide at 70℃;
With sodium hydroxide at 70℃;
2-oxy-5-amino-quinone

2-oxy-5-amino-quinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sulfuric acid
2-oxy-5-anilino-quinone-monoanil

2-oxy-5-anilino-quinone-monoanil

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With potassium hydroxide
2-oxy-5-anilino-quinone

2-oxy-5-anilino-quinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sulfuric acid
With sodium hydroxide
4.5-bis-methylamino-benzoquinone-(1.2)

4.5-bis-methylamino-benzoquinone-(1.2)

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sodium hydroxide
2,5-bis(phenylamino)-1,4-benzoquinone
3421-08-7

2,5-bis(phenylamino)-1,4-benzoquinone

alcoholic KOH-solution

alcoholic KOH-solution

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

basic sodium salt of/the/ 3.6-dioxy-benzoquinone-(1.4)-dicarboxylic acid-(2.5)

basic sodium salt of/the/ 3.6-dioxy-benzoquinone-(1.4)-dicarboxylic acid-(2.5)

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With mineral acid
N-methyl-phenoxazine-quinone-(2.3)

N-methyl-phenoxazine-quinone-(2.3)

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

2,3-dihydroxyphenazine
19220-18-9

2,3-dihydroxyphenazine

Conditions
ConditionsYield
In water at 100℃;100%
In water at 80℃; for 18h;100%
In ethanol for 1.5 - 24h; Product distribution / selectivity; Heating / reflux;93%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

3,4-diaminobenzoic acid
619-05-6

3,4-diaminobenzoic acid

7,8-dihydroxyphenazine-2-carboxylic acid
1055878-48-2

7,8-dihydroxyphenazine-2-carboxylic acid

Conditions
ConditionsYield
In water at 95℃; for 15h;100%
In ethanol for 24h; Reflux;85%
With acetic acid In ethanol at 20℃; for 5h;65%
4,5-Dichloro-1,2-phenylenediamine
5348-42-5

4,5-Dichloro-1,2-phenylenediamine

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2,3,9,10-tetrachloro-5,14-dihydroquinoxalino[2,3-b]phenazine

2,3,9,10-tetrachloro-5,14-dihydroquinoxalino[2,3-b]phenazine

Conditions
ConditionsYield
In neat (no solvent) at 160℃; Inert atmosphere; Schlenk technique;100%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4,5-dibromo-1,2-diaminobenzene
49764-63-8

4,5-dibromo-1,2-diaminobenzene

2,3,9,10-tetrabromo-5,14-dihydroquinoxalino[2,3-b]phenazine

2,3,9,10-tetrabromo-5,14-dihydroquinoxalino[2,3-b]phenazine

Conditions
ConditionsYield
With acetic acid at 100℃; Inert atmosphere; Schlenk technique;100%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

tetrabutylammomium bromide
1643-19-2

tetrabutylammomium bromide

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

1.5C6H2O4(2-)*Ni(2+)*C16H36N(1+)

1.5C6H2O4(2-)*Ni(2+)*C16H36N(1+)

Conditions
ConditionsYield
In water at 100℃; for 0.75h; Inert atmosphere;100%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

1,2,4,5-benzenetetrol
636-32-8

1,2,4,5-benzenetetrol

Conditions
ConditionsYield
With hydrogenchloride; tin at 95℃; for 1h;99%
With hydrogenchloride; tin In water for 1h; Reflux;98%
With hydrogenchloride; tin78%
1H-benzimidazol-2-amine
934-32-7

1H-benzimidazol-2-amine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2-amino-1H-benzo[d]imidazol-3-ium 3-hydroxy-1-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-2,5,6-trioxocyclohex-3-en-1-ide
1367748-62-6

2-amino-1H-benzo[d]imidazol-3-ium 3-hydroxy-1-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-2,5,6-trioxocyclohex-3-en-1-ide

Conditions
ConditionsYield
In chloroform for 4h; Reflux;99%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

orthaminic acid
7474-78-4

orthaminic acid

7,8-dihydroxy-phenazine-2-sulfonic acid

7,8-dihydroxy-phenazine-2-sulfonic acid

Conditions
ConditionsYield
In water Reflux;99%
In water for 16h; Reflux;86%
In water at 95℃; for 18h;84%
(5-methyl-pyridin-2-yl)amine
1603-41-4

(5-methyl-pyridin-2-yl)amine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2C6H8N2*C14H8N4O12

2C6H8N2*C14H8N4O12

Conditions
ConditionsYield
In chloroform for 4h; Reflux;97%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

trans-2-(4-chlorobenzoyl)-5-hydroxy-3-(4-nitrophenyl)-2,3-dihydrobenzofuran-4,7-dione

trans-2-(4-chlorobenzoyl)-5-hydroxy-3-(4-nitrophenyl)-2,3-dihydrobenzofuran-4,7-dione

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;97%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

disodium salt of 2,5-dihydroxy-1,4-benzoquinone
41104-64-7, 108724-19-2

disodium salt of 2,5-dihydroxy-1,4-benzoquinone

Conditions
ConditionsYield
With sodium methylate In dimethyl sulfoxide for 48h;96.6%
With sodium methylate In methanol at 20℃;
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

silver nitrate

silver nitrate

C6H2(O)2(OAg)2
146110-13-6

C6H2(O)2(OAg)2

Conditions
ConditionsYield
With triethylamine In ethanol; triethylamine; acetonitrile byproducts: NEt3*HNO3; a soln. of quinone in Et3N and EtOH were added dropwise under N2 to a soln. of AgNO3 in MeCN-EtOH in the dark at 25°C, the mixt. was stirred for 2 h; filtd., ppt. was washed with cold EtOH, filtrate evapd. under vac.; elem. anal.;96%
manganese sulfate pentahydrate

manganese sulfate pentahydrate

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

water
7732-18-5

water

Mn(2,5-dihydroxy-1,4-benzoquinone(-2H))(H2O)2

Mn(2,5-dihydroxy-1,4-benzoquinone(-2H))(H2O)2

Conditions
ConditionsYield
In water MnSO4*5H2O and quinone deriv. mixed in water; ppt. washed with water and EtOH; elem. anal.;96%
In water slow diffusion of aq. solns. of MnSO4*5H2O and quinone deriv. at room temp. for several d;
2-aminopyridine
504-29-0

2-aminopyridine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2C5H6N2*C14H8N4O12

2C5H6N2*C14H8N4O12

Conditions
ConditionsYield
In chloroform for 4h; Reflux;96%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

dimedone
126-81-8

dimedone

3,3,10,10-tetramethyl-7,14-bis(4-nitrophenyl)-3,4,10,11-tetrahydrochromeno[2,3-b]xanthene-1,6,8,13(2H,7H,9H,14H)-tetraone

3,3,10,10-tetramethyl-7,14-bis(4-nitrophenyl)-3,4,10,11-tetrahydrochromeno[2,3-b]xanthene-1,6,8,13(2H,7H,9H,14H)-tetraone

Conditions
ConditionsYield
With poly(2-ethyl-2-oxazoline) immobilized on silica-coated Fe3O4 nanoparticles In ethanol for 5h; Reflux; Green chemistry;96%
With L-proline In water for 4h; Reflux; Green chemistry;70%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

trans-2-(4-chlorobenzoyl)-5-hydroxy-3-(2-nitrophenyl)-2,3-dihydrobenzofuran-4,7-dione

trans-2-(4-chlorobenzoyl)-5-hydroxy-3-(2-nitrophenyl)-2,3-dihydrobenzofuran-4,7-dione

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;96%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

Diphenylphosphinic chloride
1499-21-4

Diphenylphosphinic chloride

C18H14ClO5P

C18H14ClO5P

Conditions
ConditionsYield
With aluminum (III) chloride In toluene at 25℃; for 24h;96%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-methoxyphenylene-1,2-diamine dihydrochloride
59548-39-9

4-methoxyphenylene-1,2-diamine dihydrochloride

2,3-dihydroxy-6-methoxyphenazine
13161-92-7

2,3-dihydroxy-6-methoxyphenazine

Conditions
ConditionsYield
With triethylamine In ethanol Heating;95%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

5,14-dihydro-5,7,12,14-tetraazapentacene
111076-33-6

5,14-dihydro-5,7,12,14-tetraazapentacene

Conditions
ConditionsYield
at 180℃;95%
at 160℃; for 5h; Inert atmosphere; Neat (no solvent);94.8%
In benzyl alcohol at 135 - 140℃; for 20h;92%
With acetic acid for 8h; Reflux; Inert atmosphere;
2-Amino-6-methylpyridine
1824-81-3

2-Amino-6-methylpyridine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2C6H8N2*C14H8N4O12

2C6H8N2*C14H8N4O12

Conditions
ConditionsYield
In chloroform for 4h; Reflux;94%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

trans-2-(4-chlorobenzoyl)-3-(4-fluorophenyl)-5-hydroxy-2,3-dihydrobenzofuran-4,7-dione

trans-2-(4-chlorobenzoyl)-3-(4-fluorophenyl)-5-hydroxy-2,3-dihydrobenzofuran-4,7-dione

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;94%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2-Fluorobenzaldehyde
446-52-6

2-Fluorobenzaldehyde

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

trans-2-(4-chlorobenzoyl)-3-(2-fluorophenyl)-5-hydroxy-2,3-dihydrobenzofuran-4,7-dione

trans-2-(4-chlorobenzoyl)-3-(2-fluorophenyl)-5-hydroxy-2,3-dihydrobenzofuran-4,7-dione

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;94%
2-amino-4-(trifluoromethyl)phenol hydrochloride
112250-01-8

2-amino-4-(trifluoromethyl)phenol hydrochloride

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

C20H8F6N2O2
1038848-16-6

C20H8F6N2O2

Conditions
ConditionsYield
With acetic acid Reflux;93.6%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

benzaldehyde
100-52-7

benzaldehyde

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

trans-2-(4-chlorobenzoyl)-5-hydroxy-3-phenyl-2,3-dihydrobenzofuran-4,7-dione

trans-2-(4-chlorobenzoyl)-5-hydroxy-3-phenyl-2,3-dihydrobenzofuran-4,7-dione

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;93%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2C6H8N2*C14H8N4O12

2C6H8N2*C14H8N4O12

Conditions
ConditionsYield
In chloroform for 4h; Reflux;92%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

dimedone
126-81-8

dimedone

3,3,10,10-tetramethyl-7,14-bis(3-nitrophenyl)-3,4,10,11-tetrahydrochromeno[2,3-b]xanthene-1,6,8,13(2H,7H,9H,14H)-tetraone

3,3,10,10-tetramethyl-7,14-bis(3-nitrophenyl)-3,4,10,11-tetrahydrochromeno[2,3-b]xanthene-1,6,8,13(2H,7H,9H,14H)-tetraone

Conditions
ConditionsYield
With poly(2-ethyl-2-oxazoline) immobilized on silica-coated Fe3O4 nanoparticles In ethanol for 5h; Reflux; Green chemistry;92%
With L-proline In water for 4h; Reflux; Green chemistry;70%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

trans-2-((4-chlorobenzoyl)-5-hydroxy-4,7-dioxo-2,3,4,7-tetrahydrobenzofuran-3-yl)benzonitrile

trans-2-((4-chlorobenzoyl)-5-hydroxy-4,7-dioxo-2,3,4,7-tetrahydrobenzofuran-3-yl)benzonitrile

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;92%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide
57269-96-2

2-(2-(4-chlorophenyl)-2-oxoethyl)isoquinolin-2-ium bromide

trans-3-(4-bromophenyl)-2-(4-chlorobenzoyl)-5-hydroxy-2,3-dihydrobenzofuran-4,7-dione

trans-3-(4-bromophenyl)-2-(4-chlorobenzoyl)-5-hydroxy-2,3-dihydrobenzofuran-4,7-dione

Conditions
ConditionsYield
With cholin hydroxide In water for 5h; Reflux; Green chemistry;92%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

dimedone
126-81-8

dimedone

7,14-bis(4-methoxyphenyl)-3,3,10,10-tetramethyl-3,4,10,11-tetrahydrochromeno[2,3-b]xanthene-1,6,8,13(2H,7H,9H,14H)-tetraone

7,14-bis(4-methoxyphenyl)-3,3,10,10-tetramethyl-3,4,10,11-tetrahydrochromeno[2,3-b]xanthene-1,6,8,13(2H,7H,9H,14H)-tetraone

Conditions
ConditionsYield
With poly(2-ethyl-2-oxazoline) immobilized on silica-coated Fe3O4 nanoparticles In ethanol for 4h; Reflux; Green chemistry;92%
2,5-dihydroxy-1,4-benzoquinone
615-94-1

2,5-dihydroxy-1,4-benzoquinone

4-methyl-1,2-diaminobenzene
496-72-0

4-methyl-1,2-diaminobenzene

3,10-dimethyl-5,12-dihydro-quinoxalino[2,3-b]phenazine

3,10-dimethyl-5,12-dihydro-quinoxalino[2,3-b]phenazine

Conditions
ConditionsYield
With acetic acid In ethanol for 24h; Heating;91%

2,5-Dihydroxy-1,4-benzoquinone Chemical Properties

The Molecular Structure of  2,5-Cyclohexadiene-1,4-dione,2,5-dihydroxy- (CAS NO.615-94-1) is

Cas Register Number: 615-94-1
IUPAC Name:  2,5-Dihydroxycyclohexa-2,5-diene-1,4-dione
Synonyms: 2,5-Dihydroxy-1,4-benzoquinone ; 2,5-Dihydroxy-p-benzoquinone ; 2,5-Cyclohexadiene-1,4-dione, 2,5-dihydroxy- ; 2,5-Dihydroxy-p-benzoquinone ; p-Benzoquinone, 2,5-dihydroxy- (8CI) 
Molecular formula: C6H4O4
Molecular weight: 140.093560 g/mol
Product Categories: Anthraquinones, Hydroquinones and Quinones;Benzoquinones;Alcohols;Monomers;Polymer Science
Melting point: 235 °C (dec.)(lit.)
Apearnce: Ochre to brown powder
H bond acceptors: 4
H bond donors: 2
Freely Rotating Bonds: 2
Polar Surface Area: 52.6 Å2
Index of Refraction: 1.729
Molar Refractivity: 30.31 cm3
Molar Volume: 75.9  cm3 
Surface Tension: 122.4 dyne/cm
Density: 1.843 g/ cm3
Flash Point: 162.9 °C
Enthalpy of Vaporization: 65.39 kJ/mol
Boiling Point: 322.3 °C at 760 mmHg
Vapour Pressure of  2,5-Cyclohexadiene-1,4-dione,2,5-dihydroxy- (CAS NO.615-94-1): 2.24E-05 mmHg at 25°C

2,5-Dihydroxy-1,4-benzoquinone Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 20/21/22-36/37/38
 R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3

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