• Name

  1,4-Dihydroxyanthraquinone-2-sulfonic acid

• EINECS 205-654-2
• CAS No. 145-48-2
• Article Data7
• CAS DataBase
• Density 1.792g/cm³
• Solubility
• Melting Point
• Formula C14H8 O7 S
• Boiling Point °Cat760mmHg
• Molecular Weight 320.279
• Flash Point °C
• Transport Information
• Appearance
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 2-Anthraquinonesulfonicacid, 1,4-dihydroxy- (6CI); 1,4-Dihydroxyanthraquinone-2-sulfonic acid;2-Quinizarinsulfonic acid; Helio Fast Rubine 4BLA; Morocco Maroon X 1550; NSC111951; Quinizarin-3-sulfonic acid; Quinizarinsulfonic acid; Rufianic acid
• PSA 137.35000
• LogP 2.20070

Synthetic route

Reactive Blue 19 vinyl sulfone

A

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

B

24929-02-0

1-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid

C

4-(3-ethenesulfonyl-phenylamino)-1-hydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

D

4-(3-ethenesulfonyl-phenylamino)-1-(3-ethenesulfonyl-phenylazo)-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

Conditions

Conditions	Yield
With dipotassium peroxodisulfate In water at 65℃; for 7h; pH=3.0 - 5.5; Product distribution;	A 5% B n/a C 40% D 8%

...Expand

81-64-1

1,4-dihydroxy-9,10-anthracenedione

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

Conditions

Conditions	Yield
With manganese(IV) oxide; water; sodium sulfite
With manganese(IV) oxide; potassium sulfite; water
With water; copper(II) oxide; sodium sulfite
With sulfuric acid at 150℃;
With sulfuric acid; sulfur trioxide at 140℃;

81-64-1

1,4-dihydroxy-9,10-anthracenedione

potassium sulfite

potassium sulfite

manganese dioxide

manganese dioxide

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

...Expand

81-64-1

1,4-dihydroxy-9,10-anthracenedione

7732-18-5

water

sodium sulfite

sodium sulfite

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

...Expand

4-nitro-1-oxy-anthraquinone-sulfonic acid-(2)

4-nitro-1-oxy-anthraquinone-sulfonic acid-(2)

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

Conditions

Conditions	Yield
durch Reduktion und Ersatz der Amino-Gruppe durch die Hydroxyl-Gruppe;

22297-70-7

1,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

Conditions

Conditions	Yield
With sulfuric acid; water pH=7;

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

[CoIII(tris(2-pyridylmethyl)amine)Cl2]Cl

sodium perchlorate

C50H41Co2N8O7S(3+)*3ClO4(1-)

Conditions

Conditions	Yield
Stage #1: 1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid; [CoIII(tris(2-pyridylmethyl)amine)Cl2]Cl With potassium hydroxide In water at 70℃; for 4h; Stage #2: sodium perchlorate In propan-1-ol; water at 4℃;	63%

...Expand

ammonium hexafluorophosphate

20023-19-2

[Co(tris(2-aminoethyl)amine)Cl2]Cl

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

C26H41Co2N8O7S(3+)*3F6P(1-)

Conditions

Conditions	Yield
Stage #1: [Co(tris(2-aminoethyl)amine)Cl2]Cl; 1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid With potassium hydroxide In methanol at 60℃; Stage #2: ammonium hexafluorophosphate Reflux;	48%

...Expand

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

81-64-1

1,4-dihydroxy-9,10-anthracenedione

Conditions

Conditions	Yield
With hydrogenchloride; tin(ll) chloride bei gewoenlicher Temperatur und Behandlung des Reaktionsprodukts mit warmem Wasser;
With sodium dithionite; tin(ll) chloride bei gewoenlicher Temperatur und Behandlung des Reaktionsprodukts mit warmem Wasser;
With sodium dithionite; water at 95 - 100℃;
With sodium dithionite; water at 95 - 100℃;

110-91-8

morpholine

50-00-0

formaldehyd

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

56670-77-0

1,4-dihydroxy-2-morpholin-4-ylmethyl-anthraquinone

Conditions

Conditions	Yield
With sodium dithionite In ethanol; water

...Expand

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

1,4,9,10-Tetrahydroxy-anthracene-2-sulfonic acid

Conditions

Conditions	Yield
In water at 25℃; Mechanism; effect of height of the mercury column, pH, concentration, temperature;

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

7732-18-5

water

81-64-1

1,4-dihydroxy-9,10-anthracenedione

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

natrium carbonate solution

natrium carbonate solution

81-64-1

1,4-dihydroxy-9,10-anthracenedione

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

aqueous Na2S2O4

aqueous Na2S2O4

leucoquinizarine-sulfonic acid-(2)

leucoquinizarine-sulfonic acid-(2)

7647-01-0

hydrogenchloride

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

tin (II)-chloride

tin (II)-chloride

leucoquinizarine-sulfonic acid-(2)

leucoquinizarine-sulfonic acid-(2)

...Expand

15377-81-8, 188867-80-3, 847043-81-6

hexaaquairon(III)

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

A

Fe(OH2)4(C14H6O7S)(1+)

B

Fe(OH2)4(C14H6O7S)(1+)

Conditions

Conditions	Yield
With perchloric acid; sodium perchlorate In water Kinetics; 25°C, in O.5 M NaClO4/HClO4; stopped-flow kinetic studies;

...Expand

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

C14H12O7S

Conditions

Conditions	Yield
With hydrogenchloride; zinc In water at 47℃; for 3h; Temperature; Autoclave;

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

C16H18N2O5S

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: hydrogenchloride; zinc / water / 3 h / 47 °C / Autoclave 2: ammonium hydroxide / 46 - 85 °C / Autoclave View Scheme

145-48-2

1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

52373-92-9

1-amino-4 (ethylamino)-9,10-anthraquinone-2-sulfonic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: hydrogenchloride; zinc / water / 3 h / 47 °C / Autoclave 2: ammonium hydroxide / 46 - 85 °C / Autoclave 3: zinc(II) chloride / 63 °C View Scheme

1,4-Dihydroxyanthraquinone-2-sulfonic acid Chemical Properties