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1,4-Dihydroxyanthraquinone-2-sulfonic acid
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Name

1,4-Dihydroxyanthraquinone-2-sulfonic acid

 EINECS 205-654-2
CAS No. 145-48-2 Density 1.792g/cm3
PSA 137.35000 LogP 2.20070
Solubility N/A Melting Point N/A
Formula C14H8 O7 S Boiling Point °Cat760mmHg
Molecular Weight 320.279 Flash Point °C
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 145-48-2 (1,4-Dihydroxyanthraquinone-2-sulfonic acid) Hazard Symbols N/A
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

Article Data 7

1,4-Dihydroxyanthraquinone-2-sulfonic acid 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
ConditionsYield
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%
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
ConditionsYield
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

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

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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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%

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
ConditionsYield
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%
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
ConditionsYield
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
ConditionsYield
With sodium dithionite In ethanol; water

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

Molecular Structure of 1,4-Dihydroxyanthraquinone-2-sulfonic acid (CAS NO.145-48-2):

Molecular Formula: C14H8O7S
Molecular Weight: 320.2741
IUPAC Name: 1,4-Dihydroxy-9,10-dioxoanthracene-2-sulfonic acid
Synonyms of 1,4-Dihydroxyanthraquinone-2-sulfonic acid (CAS NO.145-48-2): C.I. 58055 ; C.I. Pigment Violet 5 ; EINECS 205-654-2 ; Helio Fast Rubine 4BLA ; Morocco Maroon X-1550 ; NSC 111951 ; Quinizarin-3-sulfonic acid ; Quinizarin-3-sulphonic acid ; Quinizarinsulfonic acid ; Rufianic acid ; 2-Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo- ; 9,10-Dihydro-1,4-dihydroxy-9,10-dioxoanthracene-2-sulphonic acid ; Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo-
CAS NO: 145-48-2 
Index of Refraction: 1.743
Molar Refractivity: 72.3 cm3
Molar Volume: 178.7 cm3
Surface Tension: 96.5 dyne/cm
Density of 1,4-Dihydroxyanthraquinone-2-sulfonic acid (CAS NO.145-48-2): 1.792 g/cm3

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